2016年四川省资阳市乐至县中考英语一模试卷【详解版】

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2016年四川省资阳市中考试题 精编

2016年四川省资阳市中考试题 精编

2016年四川省资阳市中考数学试卷一、选择题.(本大题共10小题,每小题3分,共30分)1.﹣2的倒数是()A.﹣B.C.﹣2 D.22.下列运算正确的是()A.x4+x2=x6B.x2•x3=x6C.(x2)3=x6D.x2﹣y2=(x﹣y)23.如图是一个正方体纸盒的外表面展开图,则这个正方体是()A.B.C.D.4.世界上最小的开花结果植物是澳大利亚的出水浮萍,这种植物的果实像一个微小的无花果,质量只有0.000000076克,将数0.000000076用科学记数法表示为()A.7.6×10﹣9B.7.6×10﹣8C.7.6×109D.7.6×1085.的运算结果应在哪两个连续整数之间()A.2和3 B.3和4 C.4和5 D.5和66.我市某中学九年级(1)班开展“阳光体育运动”,决定自筹资金为班级购买体育50A.11,20 B.25,11 C.20,25 D.25,207.如图,两个三角形的面积分别是9,6,对应阴影部分的面积分别是m,n,则m ﹣n等于()A.2 B.3 C.4 D.无法确定8.在Rt△ABC中,∠ACB=90°,AC=2,以点B为圆心,BC的长为半径作弧,交AB于点D,若点D为AB的中点,则阴影部分的面积是()A.2﹣π B.4﹣π C.2﹣π D.π9.如图,矩形ABCD与菱形EFGH的对角线均交于点O,且EG∥BC,将矩形折叠,使点C与点O重合,折痕MN恰好过点G若AB=,EF=2,∠H=120°,则DN的长为()A.B.C.﹣D.2﹣10.已知二次函数y=x2+bx+c与x轴只有一个交点,且图象过A(x1,m)、B(x1+n,m)两点,则m、n的关系为()A.m=n B.m=n C.m=n2D.m=n2二、填空题.(本大题共6小题,每小题3分,共18分)11.若代数式有意义,则x的取值范围是.12.如图,AC是正五边形ABCDE的一条对角线,则∠ACB=.13.已知关于x的方程mx+3=4的解为x=1,则直线y=(m﹣2)x﹣3一定不经过第象限.14.如图,在3×3的方格中,A、B、C、D、E、F分别位于格点上,从C、D、E、F四点中任取一点,与点A、B为顶点作三角形,则所作三角形为等腰三角形的概率是.15.设一列数中相邻的三个数依次为m、n、p,且满足p=m2﹣n,若这列数为﹣1,3,﹣2,a,﹣7,b…,则b=.16.如图,在等腰直角△ABC中,∠ACB=90°,CO⊥AB于点O,点D、E分别在边AC、BC上,且AD=CE,连结DE交CO于点P,给出以下结论:①△DOE是等腰直角三角形;②∠CDE=∠COE;③若AC=1,则四边形CEOD的面积为;④AD2+BE2﹣2OP2=2DP•PE,其中所有正确结论的序是.三、解答题.(本大题共8小题,共72分)17.化简:(1+)÷.18.近几年来,国家对购买新能源汽车实行补助政策,2016年某省对新能源汽车中的“插电式混合动力汽车”实行每辆3万元的补助,小刘对该省2016年“纯电动乘用车”和“插电式混合动力车”的销售计划进行了研究,绘制出如图所示的两幅不完整的统计图.(1)补全条形统计图;(2)求出“D”所在扇形的圆心角的度数;(3)为进一步落实该政策,该省计划再补助4.5千万元用于推广上述两大类产品,请你预测,该省16年计划大约共销售“插电式混合动力汽车”多少辆?注:R为纯电动续航行驶里程,图中A表示“纯电动乘用车”,B表示“纯电动乘用车”,C表示“纯电动乘用车”(R≥250km),D为“插电式混合动力汽车”.19.某大型企业为了保护环境,准备购买A、B两种型的污水处理设备共8台,用于同时治理不同成分的污水,若购买A型2台、B型3台需54万,购买A型4台、B型2台需68万元.(1)求出A型、B型污水处理设备的单价;(2)经核实,一台A型设备一个月可处理污水220吨,一台B型设备一个月可处理污水190吨,如果该企业每月的污水处理量不低于1565吨,请你为该企业设计一种最省钱的购买方案.20.如图,在⊙O中,点C是直径AB延长线上一点,过点C作⊙O的切线,切点为D,连结BD.(1)求证:∠A=∠BDC;(2)若CM平分∠ACD,且分别交AD、BD于点M、N,当DM=1时,求MN的长.21.如图,在平行四边形ABCD中,点A、B、C的坐标分别是(1,0)、(3,1)、(3,3),双曲线y=(k≠0,x>0)过点D.(1)求双曲线的解析式;(2)作直线AC交y轴于点E,连结DE,求△CDE的面积.22.如图,“中国海监50”正在南海海域A处巡逻,岛礁B上的中国海军发现点A 在点B的正西方向上,岛礁C上的中国海军发现点A在点C的南偏东30°方向上,已知点C在点B的北偏西60°方向上,且B、C两地相距120海里.(1)求出此时点A到岛礁C的距离;(2)若“中海监50”从A处沿AC方向向岛礁C驶去,当到达点A′时,测得点B在A′的南偏东75°的方向上,求此时“中国海监50”的航行距离.(注:结果保留根)23.在Rt△ABC中,∠C=90°,Rt△ABC绕点A顺时针旋转到Rt△ADE的位置,点E在斜边AB上,连结BD,过点D作DF⊥AC于点F.(1)如图1,若点F与点A重合,求证:AC=BC;(2)若∠DAF=∠DBA,①如图2,当点F在线段CA的延长线上时,判断线段AF与线段BE的数量关系,并说明理由;②当点F在线段CA上时,设BE=x,请用含x的代数式表示线段AF.24.已知抛物线与x轴交于A(6,0)、B(﹣,0)两点,与y轴交于点C,过抛物线上点M(1,3)作MN⊥x轴于点N,连接OM.(1)求此抛物线的解析式;(2)如图1,将△OMN沿x轴向右平移t个单位(0≤t≤5)到△O′M′N′的位置,MN′、M′O′与直线AC分别交于点E、F.①当点F为M′O′的中点时,求t的值;②如图2,若直线M′N′与抛物线相交于点G,过点G作GH∥M′O′交AC于点H,试确定线段EH是否存在最大值?若存在,求出它的最大值及此时t的值;若不存在,请说明理由.2016年四川省资阳市中考数学试卷参考答案与试题解析一、选择题.(本大题共10小题,每小题3分,共30分)1.﹣2的倒数是()A.﹣B.C.﹣2 D.2【考点】倒数.【分析】根据倒数的定义即可求解.【解答】解:﹣2的倒数是﹣.故选:A.2.下列运算正确的是()A.x4+x2=x6B.x2•x3=x6C.(x2)3=x6D.x2﹣y2=(x﹣y)2【考点】幂的乘方与积的乘方;合并同类项;同底数幂的乘法;因式分解-运用公式法.【分析】根据合并同类项法则、同底数幂的乘法法则、积的乘方法则和公式法进行因式分解对各个选项进行判断即可.【解答】解:x4与x2不是同类项,不能合并,A错误;x2•x3=x5,B错误;(x2)3=x6,C正确;x2﹣y2=(x+y)(x﹣y),D错误,故选:C.3.如图是一个正方体纸盒的外表面展开图,则这个正方体是()A.B.C.D.【考点】几何体的展开图.【分析】根据几何体的展开图先判断出实心圆点与空心圆点的关系,进而可得出结论.【解答】解:∵由图可知,实心圆点与空心圆点一定在紧相邻的三个侧面上,∴C符合题意.故选C.4.世界上最小的开花结果植物是澳大利亚的出水浮萍,这种植物的果实像一个微小的无花果,质量只有0.000000076克,将数0.000000076用科学记数法表示为()A.7.6×10﹣9B.7.6×10﹣8C.7.6×109D.7.6×108【考点】科学记数法—表示较小的数.【分析】绝对值小于1的正数也可以利用科学记数法表示,一般形式为a×10﹣n,与较大数的科学记数法不同的是其所使用的是负指数幂,指数由原数左边起第一个不为零的数字前面的0的个数所决定.【解答】解:将0.000000076用科学记数法表示为7.6×10﹣8,故选:B.5.的运算结果应在哪两个连续整数之间()A.2和3 B.3和4 C.4和5 D.5和6【考点】估算无理数的大小.【分析】根据无理数的大小比较方法得到<<,即可解答.【解答】解:∵<<,即5<<6,∴的运算结果应在5和6两个连续整数之间.故选:D.6.我市某中学九年级(1)班开展“阳光体育运动”,决定自筹资金为班级购买体育50A.11,20 B.25,11 C.20,25 D.25,20【考点】众数;中位数.【分析】中位数是一组数据从小到大(或从大到小)重新排列后,最中间的那个数(或最中间两个数的平均数);众数是一组数据中出现次数最多的数据.【解答】解:在这一组数据中25元是出现次数最多的,故众数是25元;将这组数据已从小到大的顺序排列,处于中间位置的两个数是20、20,那么由中位数的定义可知,这组数据的中位数是20;故选:D.7.如图,两个三角形的面积分别是9,6,对应阴影部分的面积分别是m,n,则m ﹣n等于()A.2 B.3 C.4 D.无法确定【考点】三角形的面积.【分析】设空白出的面积为x,根据题意列出关系式,相减即可求出m﹣n的值.【解答】解:设空白出图形的面积为x,根据题意得:m+x=9,n+x=6,则m﹣n=9﹣6=3.故选B.8.在Rt△ABC中,∠ACB=90°,AC=2,以点B为圆心,BC的长为半径作弧,交AB于点D,若点D为AB的中点,则阴影部分的面积是()A .2﹣πB .4﹣πC .2﹣πD .π【考点】扇形面积的计算.【分析】根据点D 为AB 的中点可知BC=BD=AB ,故可得出∠A=30°,∠B=60°,再由锐角三角函数的定义求出BC 的长,根据S 阴影=S △AB C ﹣S扇形C B D即可得出结论.【解答】解:∵D 为AB 的中点, ∴BC=BD=AB , ∴∠A=30°,∠B=60°.∵AC=2,∴BC=AC •tan30°=2•=2,∴S阴影=S △AB C ﹣S扇形C BD =×2×2﹣=2﹣π.故选A .9.如图,矩形ABCD 与菱形EFGH 的对角线均交于点O ,且EG ∥BC ,将矩形折叠,使点C 与点O 重合,折痕MN 恰好过点G 若AB=,EF=2,∠H=120°,则DN 的长为( )A .B .C .﹣D .2﹣【考点】矩形的性质;菱形的性质;翻折变换(折叠问题).【分析】延长EG 交DC 于P 点,连接GC 、FH ,则△GCP 为直角三角形,证明四边形OGCM 为菱形,则可证OC=OM=CM=OG=,由勾股定理求得GP 的值,再由梯形的中位线定理CM+DN=2GP ,即可得出答案.【解答】解:长EG 交DC 于P 点,连接GC 、FH ;如图所示:则CP=DP=CD=,△GCP 为直角三角形,∵四边形EFGH 是菱形,∠EHG=120°, ∴GH=EF=2,∠OHG=60°,EG ⊥FH ,∴OG=GH •sin60°=2×=,由折叠的性质得:CG=OG=,OM=CM ,∠MOG=∠MCG ,∴PG==,∵OG∥CM,∴∠MOG+∠OMC=180°,∴∠MCG+∠OMC=180°,∴OM∥CG,∴四边形OGCM为平行四边形,∵OM=CM,∴四边形OGCM为菱形,∴CM=OG=,根据题意得:PG是梯形MCDN的中位线,∴DN+CM=2PG=,∴DN=﹣;故选:C.10.已知二次函数y=x2+bx+c与x轴只有一个交点,且图象过A(x1,m)、B(x1+n,m)两点,则m、n的关系为()A.m=n B.m=n C.m=n2D.m=n2【考点】抛物线与x轴的交点.【分析】由“抛物线y=x2+bx+c与x轴只有一个交点”推知x=﹣时,y=0.且b2﹣4c=0,即b2=4c,其次,根据抛物线对称轴的定义知点A、B关于对称轴对称,故A(﹣﹣,m),B(﹣+,m);最后,根据二次函数图象上点的坐标特征即可得出结论.【解答】解:∵抛物线y=x2+bx+c与x轴只有一个交点,∴当x=﹣时,y=0.且b2﹣4c=0,即b2=4c.又∵点A(x1,m),B(x1+n,m),∴点A、B关于直线x=﹣对称,∴A(﹣﹣,m),B(﹣+,m),将A点坐标代入抛物线解析式,得m=(﹣﹣)2+(﹣﹣)b+c,即m=﹣+c,∵b2=4c,∴m=n2,故选D.二、填空题.(本大题共6小题,每小题3分,共18分)11.若代数式有意义,则x的取值范围是x≧2.【考点】二次根式有意义的条件.【分析】根据式子有意义的条件为a≥0得到x﹣2≥0,然后解不等式即可.【解答】解:∵代数式有意义,∴x﹣2≥0,∴x≥2.故答案为x≥2.12.如图,AC是正五边形ABCDE的一条对角线,则∠ACB=36°.【考点】多边形内角与外角.【分析】由正五边形的性质得出∠B=108°,AB=CB,由等腰三角形的性质和三角形内角和定理即可得出结果.【解答】解:∵五边形ABCDE是正五边形,∴∠B=108°,AB=CB,∴∠ACB=÷2=36°;故答案为:36°.13.已知关于x的方程mx+3=4的解为x=1,则直线y=(m﹣2)x﹣3一定不经过第一象限.【考点】一次函数与一元一次方程.【分析】关于x的方程mx+3=4的解为x=1,于是得到m+3=4,求得m=1,得到直线y=﹣x﹣3,于是得到结论.【解答】解:∵关于x的方程mx+3=4的解为x=1,∴m+3=4,∴m=1,∴直线y=(m﹣2)x﹣3为直线y=﹣x﹣3,∴直线y=(m﹣2)x﹣3一定不经过第一象限,故答案为:一.14.如图,在3×3的方格中,A、B、C、D、E、F分别位于格点上,从C、D、E、F四点中任取一点,与点A、B为顶点作三角形,则所作三角形为等腰三角形的概率是.【考点】概率公式;等腰三角形的判定.【分析】根据从C、D、E、F四个点中任意取一点,一共有4种可能,选取D、C、F时,所作三角形是等腰三角形,即可得出答案.【解答】解:根据从C、D、E、F四个点中任意取一点,一共有4种可能,选取D、C、F时,所作三角形是等腰三角形,故P(所作三角形是等腰三角形)=;故答案为:.15.设一列数中相邻的三个数依次为m、n、p,且满足p=m2﹣n,若这列数为﹣1,3,﹣2,a,﹣7,b…,则b=128.【考点】规律型:数字的变化类.【分析】根据题意求出a,再代入关系式即可得出b的值.【解答】解:根据题意得:a=32﹣(﹣2)=11,则b=112﹣(﹣7)=128.故答案为:128.16.如图,在等腰直角△ABC中,∠ACB=90°,CO⊥AB于点O,点D、E分别在边AC、BC上,且AD=CE,连结DE交CO于点P,给出以下结论:①△DOE是等腰直角三角形;②∠CDE=∠COE;③若AC=1,则四边形CEOD的面积为;④AD2+BE2﹣2OP2=2DP•PE,其中所有正确结论的序是①②③④.【考点】勾股定理;四点共圆.【分析】①正确.由ADO≌△CEO,推出DO=OE,∠AOD=∠COE,由此即可判断.②正确.由D、C、E、O四点共圆,即可证明.③正确.由S△AB C=×1×1=,S四边形DC EO=S△DOC+S△C E O=S△C DO+S△AD O=S△AOC=S△AB C即可解决问题.④正确.由D、C、E、O四点共圆,得OP•PC=DP•PE,所以2OP2+2DP•PE=2OP2+2OP•PC=2OP(OP+PC)=2OP•OC,由△OPE∽△OEC,得到=,即可得到2OP2+2DP•PE=2OE2=DE2=CD2+CE2,由此即可证明.【解答】解:①正确.如图,∵∠ACB=90°,AC=BC,CO⊥AB∴AO=OB=OC,∠A=∠B=∠ACO=∠BCO=45°,在△ADO和△CEO中,,∴△ADO≌△CEO,∴DO=OE,∠AOD=∠COE,∴∠AOC=∠DOE=90°,∴△DOE是等腰直角三角形.故①正确.②正确.∵∠DCE+∠DOE=180°,∴D、C、E、O四点共圆,∴∠CDE=∠COE,故②正确.③正确.∵AC=BC=1,=S△DOC+S△C EO=S△C DO+S△ADO=S△AOC=∴S△AB C=×1×1=,S四边形DC E OS△AB C=,故③正确.④正确.∵D、C、E、O四点共圆,∴OP•PC=DP•PE,∴2OP2+2DP•PE=2OP2+2OP•PC=2OP(OP+PC)=2OP•OC,∵∠OEP=∠DCO=∠OCE=45°,∠POE=∠COE,∴△OPE∽△OEC,∴=,∴OP•OC=OE2,∴2OP2+2DP•PE=2OE2=DE2=CD2+CE2,∵CD=BE,CE=AD,∴AD2+BE2=2OP2+2DP•PE,∴AD2+BE2﹣2OP2=2DP•PE.故④正确.三、解答题.(本大题共8小题,共72分)17.化简:(1+)÷.【考点】分式的混合运算.【分析】首先把括内的式子通分相加,把除法转化为乘法,然后进行乘法运算即可.【解答】解:原式=÷=•=a﹣1.18.近几年来,国家对购买新能源汽车实行补助政策,2016年某省对新能源汽车中的“插电式混合动力汽车”实行每辆3万元的补助,小刘对该省2016年“纯电动乘用车”和“插电式混合动力车”的销售计划进行了研究,绘制出如图所示的两幅不完整的统计图.(1)补全条形统计图;(2)求出“D”所在扇形的圆心角的度数;(3)为进一步落实该政策,该省计划再补助4.5千万元用于推广上述两大类产品,请你预测,该省16年计划大约共销售“插电式混合动力汽车”多少辆?注:R为纯电动续航行驶里程,图中A表示“纯电动乘用车”,B表示“纯电动乘用车”,C表示“纯电动乘用车”(R≥250km),D为“插电式混合动力汽车”.【考点】条形统计图;用样本估计总体;扇形统计图.【分析】(1)首先由A的数目和其所占的百分比可求出总数,进而可求出D的数目,问题得解;(2)由D的数目先求出它所占的百分比,再用百分比乘以360°,即可解答;(3)计算出补贴D类产品的总金额,再除以每辆车的补助可得车的数量.【解答】解:(1)补贴总金额为:4÷20%=20(千万元),则D类产品补贴金额为:20﹣4﹣4.5﹣5.5=6(千万元),补全条形图如图:(2)360°×=108°,答:“D”所在扇形的圆心角的度数为108°;(3)根据题意,16年补贴D类“插电式混合动力汽车”金额为:6+4.5×=7.35(千万元),∴7350÷3=2450(辆),答:预测该省16年计划大约共销售“插电式混合动力汽车”2450辆.19.某大型企业为了保护环境,准备购买A、B两种型的污水处理设备共8台,用于同时治理不同成分的污水,若购买A型2台、B型3台需54万,购买A型4台、B型2台需68万元.(1)求出A型、B型污水处理设备的单价;(2)经核实,一台A型设备一个月可处理污水220吨,一台B型设备一个月可处理污水190吨,如果该企业每月的污水处理量不低于1565吨,请你为该企业设计一种最省钱的购买方案.【考点】一元一次不等式的应用;二元一次方程组的应用.【分析】(1)根据题意结合购买A型2台、B型3台需54万,购买A型4台、B 型2台需68万元分别得出等式求出答案;(2)利用该企业每月的污水处理量不低于1565吨,得出不等式求出答案.【解答】解:(1)设A型污水处理设备的单价为x万元,B型污水处理设备的单价为y万元,根据题意可得:,解得:.答:A型污水处理设备的单价为12万元,B型污水处理设备的单价为10万元;(2)设购进a台A型污水处理器,根据题意可得:220a+190(8﹣a)≥1565,解得:a≥1.5,∵A型污水处理设备单价比B型污水处理设备单价高,∴A型污水处理设备买越少,越省钱,∴购进2台A型污水处理设备,购进6台B型污水处理设备最省钱.20.如图,在⊙O中,点C是直径AB延长线上一点,过点C作⊙O的切线,切点为D,连结BD.(1)求证:∠A=∠BDC;(2)若CM平分∠ACD,且分别交AD、BD于点M、N,当DM=1时,求MN的长.【考点】切线的性质.【分析】(1)由圆周角推论可得∠A+∠ABD=90°,由切线性质可得∠CDB+∠ODB=90°,而∠ABD=∠ODB,可得答案;(2)由角平分线及三角形外角性质可得∠A+∠ACM=∠BDC+∠DCM,即∠DMN=∠DNM,根据勾股定理可求得MN的长.【解答】解:(1)如图,连接OD,∵AB为⊙O的直径,∴∠ADB=90°,即∠A+∠ABD=90°,又∵CD与⊙O相切于点D,∴∠CDB+∠ODB=90°,∵OD=OB,∴∠ABD=∠ODB,∴∠A=∠BDC;(2)∵CM平分∠ACD,∴∠DCM=∠ACM,又∵∠A=∠BDC,∴∠A+∠ACM=∠BDC+∠DCM,即∠DMN=∠DNM,∵∠ADB=90°,DM=1,∴DN=DM=1,∴MN==.21.如图,在平行四边形ABCD中,点A、B、C的坐标分别是(1,0)、(3,1)、(3,3),双曲线y=(k≠0,x>0)过点D.(1)求双曲线的解析式;(2)作直线AC交y轴于点E,连结DE,求△CDE的面积.【考点】反比例函数与一次函数的交点问题;平行四边形的性质.【分析】(1)根据在平行四边形ABCD中,点A、B、C的坐标分别是(1,0)、(3,1)、(3,3),可以求得点D的坐标,又因为双曲线y=(k≠0,x>0)过点D,从而可以求得k的值,从而可以求得双曲线的解析式;(2)由图可知三角形CDE的面积等于三角形EDA与三角形ADC的面积之和,从而可以解答本题.【解答】解:(1)∵在平行四边形ABCD中,点A、B、C的坐标分别是(1,0)、(3,1)、(3,3),∴点D的坐标是(1,2),∵双曲线y=(k≠0,x>0)过点D,∴2=,得k=2,即双曲线的解析式是:y=;(2)∵直线AC交y轴于点E,∴S△C DE=S△EDA+S△ADC=,即△CDE的面积是3.22.如图,“中国海监50”正在南海海域A处巡逻,岛礁B上的中国海军发现点A 在点B的正西方向上,岛礁C上的中国海军发现点A在点C的南偏东30°方向上,已知点C在点B的北偏西60°方向上,且B、C两地相距120海里.(1)求出此时点A到岛礁C的距离;(2)若“中海监50”从A处沿AC方向向岛礁C驶去,当到达点A′时,测得点B在A′的南偏东75°的方向上,求此时“中国海监50”的航行距离.(注:结果保留根)【考点】解直角三角形的应用-方向角问题.【分析】(1)根据题意得出:∠CBD=30°,BC=120海里,再利用cos30°=,进而求出答案;(2)根据题意结合已知得出当点B在A′的南偏东75°的方向上,则A′B平分∠CBA,进而得出等式求出答案.【解答】解:(1)如图所示:延长BA,过点C作CD⊥BA延长线与点D,由题意可得:∠CBD=30°,BC=120海里,则DC=60海里,故cos30°===,解得:AC=40,答:点A到岛礁C的距离为40海里;(2)如图所示:过点A′作A′N⊥BC于点N,可得∠1=30°,∠BA′A=45°,A′N=A′E,则∠2=15°,即A′B平分∠CBA,设AA′=x,则A′E=x,故CA′=2A′N=2×x=x,∵x+x=40,∴解得:x=20(﹣1),答:此时“中国海监50”的航行距离为20(﹣1)海里.23.在Rt△ABC中,∠C=90°,Rt△ABC绕点A顺时针旋转到Rt△ADE的位置,点E在斜边AB上,连结BD,过点D作DF⊥AC于点F.(1)如图1,若点F与点A重合,求证:AC=BC;(2)若∠DAF=∠DBA,①如图2,当点F在线段CA的延长线上时,判断线段AF与线段BE的数量关系,并说明理由;②当点F在线段CA上时,设BE=x,请用含x的代数式表示线段AF.【考点】几何变换综合题.【分析】(1)由旋转得到∠BAC=∠BAD,而DF⊥AC,从而得出∠ABC=45°,最后判断出△ABC是等腰直角三角形;(2)①由旋转得到∠BAC=∠BAD,再根据∠DAF=∠DBA,从而求出∠FAD=∠BAC=∠BAD=60°,最后判定△AFD≌△BED,即可;②根据题意画出图形,先求出角度,得到△ABD是顶角为36°的等腰三角形,再用相似求出,,最后判断出△AFD∽△BED,代入即可.【解答】解:(1)由旋转得,∠BAC=∠BAD,∵DF⊥AC,∴∠CAD=90°,∴∠BAC=∠BAD=45°,∵∠ACB=90°,∴∠ABC=45°,∴AC=CB,(2)①由旋转得,AD=AB,∴∠ABD=∠ADB,∵∠DAF=∠ABD,∴∠DAF=∠ADB,∴AF∥BB,∴∠BAC=∠ABD,∵∠ABD=∠FAD由旋转得,∠BAC=∠BAD,∴∠FAD=∠BAC=∠BAD=×180°=60°,由旋转得,AB=AD,∴△ABD是等边三角形,∴AD=BD,在△AFD和△BED中,,∴△AFD≌△BED,∴AF=BE,②如图,由旋转得,∠BAC=∠BAD,∵∠ABD=∠FAD=∠BAC+∠BAD=2∠BAD,由旋转得,AD=AB,∴∠ABD=∠ADB=2∠BAD,∵∠BAD+∠ABD+∠ADB=180°,∴∠BAD+2∠BAD+2∠BAD=180°,∴∠BAD=36°,设BD=x,作BG平分∠ABD,∴∠BAD=∠GBD=36°∴AG=BG=BC=x,∴DG=AD﹣AG=AD﹣BG=AD﹣BD,∵∠BDG=∠ADB,∴△BDG∽△ADB,∴.∴,∴,∵∠FAD=∠EBD,∠AFD=∠BED,∴△AFD∽△BED,∴,∴AF==x.24.已知抛物线与x轴交于A(6,0)、B(﹣,0)两点,与y轴交于点C,过抛物线上点M(1,3)作MN⊥x轴于点N,连接OM.(1)求此抛物线的解析式;(2)如图1,将△OMN沿x轴向右平移t个单位(0≤t≤5)到△O′M′N′的位置,MN′、M′O′与直线AC分别交于点E、F.①当点F为M′O′的中点时,求t的值;②如图2,若直线M′N′与抛物线相交于点G,过点G作GH∥M′O′交AC于点H,试确定线段EH是否存在最大值?若存在,求出它的最大值及此时t的值;若不存在,请说明理由.【考点】二次函数综合题.【分析】(1)设抛物线解析式为y=a(x﹣6)(x+),把点M(1,3)代入即可求出a,进而解决问题.(2))①如图1中,AC与OM交于点G.连接EO′,首先证明△AOC∽△MNO,推出OM⊥AC,在RT△EO′M′中,利用勾股定理列出方程即可解决问题.②由△GHE∽△AOC得==,所以EG最大时,EH最大,构建二次函数求出EG的最大值即可解决问题.【解答】解:(1)设抛物线解析式为y=a(x﹣6)(x+),把点M(1,3)代入得a=﹣,∴抛物线解析式为y=﹣(x﹣6)(x+),∴y=﹣x2+x+2.(2)①如图1中,AC与OM交于点G.连接EO′.∵AO=6,OC=2,MN=3,ON=1,∴==3,∴=,∵∠AOC=∠MON=90°,∴△AOC∽△MNO,∴∠OAC=∠NMO,∵∠NMO+∠MON=90°,∴∠MON+∠OAC=90°,∴∠AGO=90°,∴OM⊥AC,∵△M′N′O′是由△MNO平移所得,∴O′M′∥OM,∴O′M′⊥AC,∵M′F=FO′,∴EM′=EO′,∵EN′∥CO,∴=,∴=,∴EN′=(5﹣t),在RT△EO′M′中,∵O′N′=1,EN′=(5﹣t),EO′=EM′=+t,∴(+t)2=1+(﹣t)2,∴t=1.②如图2中,∵GH∥O′M′,O′M′⊥AC,∴GH⊥AC,∴∠GHE=90°,∵∠EGH+∠HEG=90°,∠AEN′+∠OAC=90°,∠HEG=∠AEN′,∴∠OAC=∠HGE,∵∠GHE=∠AOC=90°,∴△GHE∽△AOC,∴==,∴EG最大时,EH最大,∵EG=GN′﹣EN′=﹣(t+1)2+(t+1)+2﹣(5﹣t)=﹣t2+t+=﹣(t﹣2)2+.∴t=2时,EG最大值=,∴EH最大值=.∴t=2时,EH最大值为.2016年7月1日。

2016年四川省资阳市乐至县中考物理一模试卷(解析版)

2016年四川省资阳市乐至县中考物理一模试卷(解析版)

2016年四川省资阳市乐至县中考物理一模试卷一、选择题1.根据生活经验,你认为下列数据符合事实的是()A.拉萨市水的沸点约100℃B.人步行一步的距离约1.2mC.物理课本的宽度约18mm D.一个苹果的重力约2N2.下列有关如图所示的光现象的说法错误的是()A.水中人的“影子”是由于光的直线传播形成的B.钢笔好似被折断了是由于光的折射形成的C.能从各个角度看见桌椅是由于光的漫反射D.图中的日全食是由于光沿直线传播形成的3.下列关于物态变化说法正确的是()A.冬天玻璃窗上的冰花,属于凝固现象B.樟脑丸变小了,属于汽化现象C.开灯的瞬间,灯丝烧断了,属于液化现象D.太阳出来雾散了,属于汽化现象4.如图是教材中的几幅图,对图中所示的情景,下列说法正确的是()A.踢出去的足球虽然会继续“飞行”,但它总会停下来,说明物体的运动必须有力维持B.跳远运动员助跑可以提高成绩,是利用了身体的惯性C.男孩水平用力推车但没推动,是因为他的推力小于车所受的阻力D.蹦蹦杆跃到最高点时,动能最大,速度最大5.如图所示的四个装置,关于它们分别用来演示哪个物理现象的描述,正确的是()A.图a可用来演示磁场对通电导线的作用B.图b可用来演示电流的磁效应C.图c可用来演示电荷间的相互作用D.图d可用来演示电磁感应现象6.关于能源及能源的利用,下列说法不正确的是()A.煤、石油和天然气等化石能源归根到底是来自太阳能B.能源的利用过程,实质上是能量的转化和转移过程C.现在人类社会使用的能源主要是煤、石油和天然气D.由于我国煤和石油的储量十分丰富,所以太阳能和核能的开发在我国并不十分重要7.关于声现象,下列说法中正确的是()A.“闻其声而知其人”主要是根据声音的响度来判断的B.“不敢高声语,恐惊天上人”中的“高”指声音的音调高C.中考期间学校周围路段禁鸣喇叭,这是在声音传播的过程中减弱噪声D.用超声波能粉碎人体内的“小石头”,说明声波具有能量二、图示题(本大题包括4小题,共12分)8.(1)如图1所示,轻质杠杆OA能绕O点转动,请在杠杆中的A端画出使轻质杠杆保持平衡的最小的力F的示意图(要求保留作图痕迹).(2)如图2所示,一辆汽车陷入泥泽之中,司机用一定滑轮和一个动滑轮组成一个滑轮组,将汽车从泥中拉出来.请你帮助司机在图中画出最省力的绕绳的方法;9.请你在图中,标出小磁针的N、S极及通电螺线管周围的磁感线方向.10.如图所示,物体静止在斜面上,画出它受力示意图.11.如图所示,人眼在A处看见河里B处有一白色鹅卵石,若从A处用激光手电筒的激光束能照射到白色鹅卵石上,请画出从A处射出的激光束照射到白色鹅卵石上的光路图.三、探究与实验题(本大题包括2小题,共12分)12.小星用天平、大杯、小杯和密度为ρ的水测一石块密度(1)天平平衡时如图甲所示,石块的质量m=.(2)小星测量石块体积的操作步骤如下:a.测出空小杯的质量m1b.把装了水的大杯和空的小杯如乙图放置c.把石块缓缓放入大杯中,大杯中部分水溢进小杯d.测出承接了溢出水的小杯总质量m请你指出测量石块体积操作的一个错误之处:.(3)用本题中出现过的物理量符号表示石块体积为,石块密度为(设操作中的错误已改正)13.在“测量小灯泡电功率”的实验中,已知电源电压是6V,小灯泡的额定电压是3.8V,电阻是8Ω.(1)请你用笔画线代替导线将图中的实验图连接完整;(2)正确连接电路后,闭合开关前,滑动变阻器的滑片应该置于端(选填“A”或“B”);(3)灯泡正常发光后,电流表的示数如图2所示,则灯泡正常工作电流为A,额定功率为W,此时灯泡电阻为Ω;(4)当测量灯泡在高于额定电压情况下的功率时,某同学不小心把灯丝烧断了(其余元件完好),则此时电流表示数约为A,电压表示数约为V.四、计算与论述题(本大题包括3小题,共25分)14.如图所示,在通讯线路的抢修现场,起重机正将一箱箱设备吊装到2m 高的施工台上.其中起重臂下的钢绳是绕在一个动滑轮上的.每箱设备均重4000N .如果起重机沿竖直方向匀速提升一箱设备时,动滑轮上每段钢绳的拉力为2500N ,在忽略钢绳重和摩擦的情况下.(1)起重机提升一箱设备时,对箱子做的有用功是多少?(2)动滑轮在提升这箱设备时的机械效率是多大?(3)在安全操作的前提下,为了节省时间,加快施工进度,起重机同时将两箱设备以0.2m/s 的速度匀速提升到施工台.求这种情况下,动滑轮上钢绳自由端拉力的功率为多大?15.图甲是小红家一台快速电热水壶,铭牌如图乙所示,为了测量它烧水时的实际功率,小红和父亲台作进行了如下实验:关掉家里所有用电器,将该电水壶装了0.6kg 、20℃的水,接入家庭电路中,闭合壶的开关,测得壶中的水从20℃上升到100℃所用的时间是4min 同时观察到家中电能表(电能表上标有1500revs/kW .h )转过的转数正好为90转(r ).水的比热容:c=4.2×103J/(kg •℃).请根据相关信息求:(1)电水壶中水吸收的热量.(2)电水壶烧水的实际功率.(3)电水壶加热的效率.16.底面积为S=0.4m 2的大木箱原放在水平地面上.现某人用小车将它从斜面底端匀速推上斜面顶端,整个过程历时10s .已知木箱重G 箱=400N ,人体重G 人=600N ,人对车的推力F=75N ,斜面长L=4m ,斜面高h=0.5m ,求:(1)木箱放在水平地面时对水平地面的压强;(2)木箱沿斜面向上的速度;(3)木箱受到斜面的摩擦力;(4)这种情况下的机械效率.2016年四川省资阳市乐至县中考物理一模试卷参考答案与试题解析一、选择题1.根据生活经验,你认为下列数据符合事实的是()A.拉萨市水的沸点约100℃B.人步行一步的距离约1.2mC.物理课本的宽度约18mm D.一个苹果的重力约2N【考点】温度;长度的估测;重力大小的估测.【专题】估算综合应用题.【分析】首先对题目中涉及的物理量有个初步的了解,对于选项中的单位,可根据需要进行相应的换算或转换,排除与生活实际相差较远的选项,找出符合生活实际的答案.【解答】解:A、拉萨市的气压低于标准大气压,水的沸点低于100℃,故A错误;B、人步行一步的距离约0.5m左右,故B错误;C、物理课本的宽度约18cm=180mm,故C错误;D、一个苹果质量约为200g,受到的重力G=mg=0.2kg×10N/kg=2N,故D正确.故选D.【点评】物理学中,对各种物理量的估算能力,是我们应该加强锻炼的重要能力之一,这种能力的提高,对我们的生活同样具有很大的现实意义.2.下列有关如图所示的光现象的说法错误的是()A.水中人的“影子”是由于光的直线传播形成的B.钢笔好似被折断了是由于光的折射形成的C.能从各个角度看见桌椅是由于光的漫反射D.图中的日全食是由于光沿直线传播形成的【考点】光的反射;光在均匀介质中直线传播;光的折射现象及其应用.【专题】光的传播和反射、平面镜成像;光的折射、光的色散.【分析】(1)光在同种、均匀、透明介质中沿直线传播,产生的现象有小孔成像、激光准直、影子的形成、日食和月食等;(2)光线传播到两种介质的表面上时会发生光的反射现象,例如水面上出现岸上物体的倒影、平面镜成像、玻璃等光滑物体反光都是光的反射形成的;反射分镜面反射和漫反射,平行光线入射到平而光滑反射面上,反射光线还是平行射出,这种反射是镜面反射;平行光线入射到粗糙的反射面上,反射光线射向四面八方,这种反射是漫反射.(3)光线在同种不均匀介质中传播或者从一种介质进入另一种介质时,就会出现光的折射现象,例如水池底变浅、水中筷子变弯、海市蜃楼等都是光的折射形成的.【解答】解:A、水中人的“影子”是由于光的反射形成的,故A错误;B、图中钢笔好似被折断了是由于光的折射形成的,故B正确;C、我们能从各个方向看见本身不发光的物体是由于光的漫反射,故C正确;D、日全食是由于光沿直线传播形成的,故D正确.故选A.【点评】本题通过几个日常生活中的现象考查了对光的折射、光的直线传播、光的反射的理解,考查了学生理论联系实际的能力,在学习过程中要善于利用所学知识解释有关现象.3.下列关于物态变化说法正确的是()A.冬天玻璃窗上的冰花,属于凝固现象B.樟脑丸变小了,属于汽化现象C.开灯的瞬间,灯丝烧断了,属于液化现象D.太阳出来雾散了,属于汽化现象【考点】生活中的凝华现象;熔化与熔化吸热特点;汽化及汽化吸热的特点;生活中的升华现象.【专题】温度计、熔化和凝固;汽化和液化、升华和凝华.【分析】物质由固态变为液态叫熔化,由液态变为固态叫凝固;由液态变为气态叫汽化,由气态变为液态叫液化;由固态直接变为气态叫升华,物质由气态直接变为固态叫凝华.【解答】解:A、冬天玻璃窗上的冰花,是室内温度较高的水蒸气遇到温度较低的玻璃凝结成的小冰晶,属于凝华现象,该选项说法不正确;B、樟脑丸变小了,由固态直接变成了气态,属于升华现象,该选项说法不正确;C、开灯的瞬间,灯丝烧断了,由固态变成了液态,属于熔化现象,该选项说法不正确;D、太阳出来雾散了,由液态变成了气态,属于汽化现象,该选项说法正确.故选D.【点评】本题考查了学生对生活中物态变化的掌握,与生活联系密切,把握住物质前后的状态变化是解决此类题目的关键.4.如图是教材中的几幅图,对图中所示的情景,下列说法正确的是()A.踢出去的足球虽然会继续“飞行”,但它总会停下来,说明物体的运动必须有力维持B.跳远运动员助跑可以提高成绩,是利用了身体的惯性C.男孩水平用力推车但没推动,是因为他的推力小于车所受的阻力D.蹦蹦杆跃到最高点时,动能最大,速度最大【考点】惯性;力的作用效果;二力平衡条件的应用;摩擦力的大小;动能的影响因素.【专题】压轴题.【分析】逐个分析四个选择项的物理情景中所涉及的物理知识,然后与题目的要求进行对应,从而选出正确答案.【解答】解:A、力是改变物体运动状态的原因;牛顿第一定律得出,当物体不受任何外力时,可以作匀速直线运动,因此运动的物体不一定要力来维持,故A选项说法错误;B、跳远运动员助跑是为了在起跳时有一个较大的速度,起跳时,由于惯性,可以跳的更远,故B 选项说法正确;C、男孩沿水平方向推车,车不动,车在水平方向受到平衡力的作用,即水平推力和摩擦力是一对平衡力,故车受到的水平推力等于车受到的阻力,因此C选项说法错误;D、速度越大,质量越大,动能就越大;到达最高点时,速度为零,动能为零,故D选项说法错误.故选B.【点评】理解惯性的实质,才能在各种现象中分辨出与惯性知识有关的现象;本题涉及的知识点较多,但是都属于基础知识,解答本题题型的关键是平时学习态度端正.5.如图所示的四个装置,关于它们分别用来演示哪个物理现象的描述,正确的是()A.图a可用来演示磁场对通电导线的作用B.图b可用来演示电流的磁效应C.图c可用来演示电荷间的相互作用D.图d可用来演示电磁感应现象【考点】电磁感应;通电直导线周围的磁场;磁场对通电导线的作用;电荷间的相互作用规律.【专题】磁现象、电生磁;电动机、磁生电.【分析】本题考查对磁现象一章基本实验装置的认识,要掌握每个实验的特点.【解答】解:A、图a是研究电磁感应现象的,即磁可以生电,故A错误;B、图b是奥斯特实验装置,说明了电流周围存在磁场,即电流的磁效应,故B正确;C、图c显示同种电荷相排斥、异种电荷相吸引,这是电荷间的相互作用规律,故C正确;D、图d是通电导体在磁场中受力,故D错误.故选BC.【点评】电磁感应现象是闭合电路的一部分导体在磁场中做切割磁感线运动,产生感应电流,前提条件是运动,结果是产生电流,故实验装置不能直接有电源.6.关于能源及能源的利用,下列说法不正确的是()A.煤、石油和天然气等化石能源归根到底是来自太阳能B.能源的利用过程,实质上是能量的转化和转移过程C.现在人类社会使用的能源主要是煤、石油和天然气D.由于我国煤和石油的储量十分丰富,所以太阳能和核能的开发在我国并不十分重要【考点】能源的利用和对环境的危害.【专题】应用题;能源的利用与发展;社会热点综合题.【分析】要解本题需掌握:能源的基本来源与分类,能源的利用过程与我们面临的能源利用形式等.【解答】解:A、煤、石油和天然气等化石能源归根到底是来自太阳能,即它们间接来自太阳能,故A正确;B、能源不会消灭和创生,只能发生转化和转移,因此能源的利用过程,实质上是能的转化和转移过程.故B正确;C、现在人类社会使用的能源主要是煤、石油和天然气,即仍以化石能源为主,故C正确;D、虽然我国的煤和石油的储量十分丰富,但是它们是化石能源,用完以后不能再短时间内形成.太阳能和核能的开发和利用是十分重要的,故D错误.故选D.【点评】本题主要考查学生对能源的利用和能源的前景开发的理解和掌握,是一道常识题,难度不大.7.关于声现象,下列说法中正确的是()A.“闻其声而知其人”主要是根据声音的响度来判断的B.“不敢高声语,恐惊天上人”中的“高”指声音的音调高C.中考期间学校周围路段禁鸣喇叭,这是在声音传播的过程中减弱噪声D.用超声波能粉碎人体内的“小石头”,说明声波具有能量【考点】超声波与次声波;音调;响度;防治噪声的途径.【分析】(1)声音的三个特性:音调、响度和音色.音调指声音的高低;响度指声音的大小;通过音色能辨别物体;(2)减弱噪声的三种途径:在声源处减弱噪声,阻断噪声的传播,在人耳处减弱噪声;(3)声音既可以传递信息,也可以传递能量.【解答】解:A、因为每个人的声带结构不同,所以发出声音的音色就会不同,所以我们可以通过音色辨别是谁,即“闻其声而知其人”,不是响度,故A错;B、“不敢高声语”是指不敢大声说话,指响度,不是音调,故B错;C、在学校周围禁鸣喇叭,是在声源处减弱噪声,故C错;D、超声波通过传递能量可以击碎结石,说明声音可以传递能量,故D正确.故选D.【点评】本题考查了声现象中的基本知识,声音的三个特性,噪声的控制以及声音的利用.二、图示题(本大题包括4小题,共12分)8.(1)如图1所示,轻质杠杆OA能绕O点转动,请在杠杆中的A端画出使轻质杠杆保持平衡的最小的力F的示意图(要求保留作图痕迹).(2)如图2所示,一辆汽车陷入泥泽之中,司机用一定滑轮和一个动滑轮组成一个滑轮组,将汽车从泥中拉出来.请你帮助司机在图中画出最省力的绕绳的方法;【考点】杠杆中最小力的问题;滑轮组的设计与组装.【专题】作图题;图像综合题.【分析】(1)已知点A是动力作用点,那么只需找出最长动力臂即可,可根据这个思路解答;(2)要求最省力,即承担阻力的绳子数最多,据此解答.【解答】解:(1)O为支点,连接OA,过A垂直于OA向上画出动力F,这样施加力的力臂最长、最省力,如图所示:(2)只有一个动滑轮,要求最省力,绳子先系在动滑轮的挂钩上,然后绕过左边的定滑轮,再绕过动滑轮.如图所示:【点评】(1)考查了杠杆中最小力的问题.解决此类题目的关键是确定出最长的力臂,并根据力臂的画法做出最小的力.(2)一动一定的滑轮组,最省力的滑轮组绕绳方法:绳子先系在动滑轮的固定挂钩上,绕过定滑轮,再绕过动滑轮.9.请你在图中,标出小磁针的N、S极及通电螺线管周围的磁感线方向.【考点】通电螺线管的极性和电流方向的判断;磁感线及其特点;安培定则.【专题】作图题;压轴题.【分析】根据电流的方向,利用磁极间的作用规律与安培定则即可解决此题.【解答】解:题中知道电流的方向,根据安培定则可以判断出螺线管的极性,再根据同名磁极相互排斥,异名磁极相互排斥,可以画出如图所示:【点评】要确定小磁针的转动方向,首先要判断螺线管的N、S极.10.如图所示,物体静止在斜面上,画出它受力示意图.【考点】力的示意图.【专题】作图题.【分析】静止在斜面上的物体受到重力、摩擦力和支持力作用,然后过重心分别表示出三个力的方向.【解答】解:过重心作竖直向下的重力,过重心作沿斜面向上的摩擦力,过支点作垂直于斜面向上的支持力.如图所示【点评】本题考查学生对物体受力分析的能力,并会用力的示意图表示力的作用点和方向.11.如图所示,人眼在A处看见河里B处有一白色鹅卵石,若从A处用激光手电筒的激光束能照射到白色鹅卵石上,请画出从A处射出的激光束照射到白色鹅卵石上的光路图.【考点】作光的折射光路图;光折射的可逆性.【专题】作图题.【分析】先根据B与A点确定入射光线的方向,然后根据光从空气斜射入水中,折射角小于入射角,鹅卵石在B的下方,确定折射光线的方向和鹅卵石的位置.【解答】解:连接AB,过折射点做法线,根据光从空气斜射入水中,折射角小于入射角画出折射光线的位置,再根据鹅卵石在B的下方,确定鹅卵石的位置在“石”处.如图所示:【点评】本题考查了光的折射定律,是一道光学作图的基础题型.注意法线要用虚线,折射点与B 之间也要用虚线.三、探究与实验题(本大题包括2小题,共12分)12.小星用天平、大杯、小杯和密度为ρ的水测一石块密度(1)天平平衡时如图甲所示,石块的质量m=67g.(2)小星测量石块体积的操作步骤如下:a.测出空小杯的质量m1b.把装了水的大杯和空的小杯如乙图放置c.把石块缓缓放入大杯中,大杯中部分水溢进小杯d.测出承接了溢出水的小杯总质量m请你指出测量石块体积操作的一个错误之处:大杯中没有装满水.(3)用本题中出现过的物理量符号表示石块体积为,石块密度为(设操作中的错误已改正)【考点】固体密度的测量.【专题】实验题.【分析】所有测密度的实验,所依据的原理都是,差别只在于怎么测出质量和体积.本题中测石块质量是直接使用天平测,所以石块的质量就等于砝码的质量加上游码的示数.本题中测石块的体积是通过溢水杯来测,因为溢水杯(大杯)中的水原来是满的,所以石块一放入,水就溢出,石块的体积多大,溢出的水体积也是多大,只要求出溢出水的体积,就知道了石块的体积.【解答】解:(1)三个砝码的总质量是65g,而游码的示数读数时要看游码的左侧对准的刻度,所以图中游码的示数是2g,则左盘中石块的质量就是砝码质量加上游码示数,即67g.(2)用溢水杯测石块体积的关键就在于,要让溢出水的体积等于石块的体积,而图中明显大杯中的水是没满的,这样石块刚刚浸入时水就不会马上溢出来,最终溢出水的体积就会小于石块的体积,所以错误之处就在于大杯中没有装满水.=m2﹣m1,因为水的密度是要求记忆的,根据密度公式就可以求出溢出水的(3)溢出水的质量m水体积,也就是石块的体积.再根据密度公式求出石块密度:.故本题答案为:(1)67g;(2)大杯中没有装满水;(3),【点评】本题为比较常见的测固体密度的实验题﹣﹣质量由天平直接测出,体积由溢水杯测出.这种方法测密度,一是要会看天平的读数,读数的问题一直是考试的重点,天平的读数主要是游码的示数不要看成右侧所对的示数;二是溢水杯测石块的体积,关键在于使溢出的水体积等于石块的体积.最终求出石块的密度,这中间公式的代入变化要熟练掌握.13.在“测量小灯泡电功率”的实验中,已知电源电压是6V,小灯泡的额定电压是3.8V,电阻是8Ω.(1)请你用笔画线代替导线将图中的实验图连接完整;(2)正确连接电路后,闭合开关前,滑动变阻器的滑片应该置于B端(选填“A”或“B”);(3)灯泡正常发光后,电流表的示数如图2所示,则灯泡正常工作电流为0.5A,额定功率为 1.9 W,此时灯泡电阻为7.6Ω;(4)当测量灯泡在高于额定电压情况下的功率时,某同学不小心把灯丝烧断了(其余元件完好),则此时电流表示数约为0A,电压表示数约为6V.【考点】探究用电器的电功率实验;天平的使用;电流表的使用;电流表的读数方法;滑动变阻器的使用;欧姆定律的应用;电功率的计算.【专题】计算题;实验题;探究型实验综合题.【分析】(1)伏安法测灯泡功率,电源、电流表、灯泡、滑动变阻器,开关要串联在电路中,电压表并联在灯泡两端.连接实物图,要确定电流表的量程,知道灯泡电压和电阻,根据I=求电流来确定电流表量程滑动变阻器已经选择了下面的接线柱,上面的接线柱任意选择.(2)闭合开关前,滑片要处于最大阻值处,离下面接入电路的接线柱最远.(3)电流表读数:首先确定使用的量程,然后确定每一个大格和每一个小格代表的示数.知道额定电压、额定电流,根据P=UI,计算额定功率,根据R=,求此时电阻.(4)灯丝烧断、电路断路,电流表无示数,电压表串联在电路中,测量电源电压.【解答】解:(1)I===0.475A<0.6A,电流表选择0~0.6A量程.滑动变阻器的下面接线柱选定,任意选择A或B接入电路.从电源正极出发,依次经电流表、灯泡、滑动变阻器、开关到电源负极,补齐这条通路如下图:(2)如图,滑片已选定下面的接线柱,离接入的下面接线柱最远,滑动变阻器接入电路电阻最大,所以,滑片置于B端.(3)电流表使用的0~0.6A,每一个大格代表0.2A,每一个小格代表0.02A,电流为0.5A.P=UI=3.8V×0.5A=1.9W,R===7.6Ω.(4)灯丝烧断,电路断路,电流表无示数,电压表串联在电路中,测量电源电压,示数为6V.故答案为:(1)如上图;(2)B;(3)0.5;1.9;7.6;(4)0;6.【点评】连接实物图中,注意电压表、电流表的量程,接线柱、连接方式,滑动变阻器要注意接线柱选择、滑片位置等.实验过程中,灯泡不亮一般有两个原因,灯泡短路或断路,掌握灯泡短路和断路时电路中的变化:灯泡短路,总电阻变小,总电流变大,电流表示数变大,电压表测导线电压,示数为0; 灯泡断路,电路断路,电流表示数为0,电压表串联在电路中,测电源电压.四、计算与论述题(本大题包括3小题,共25分)14.如图所示,在通讯线路的抢修现场,起重机正将一箱箱设备吊装到2m 高的施工台上.其中起重臂下的钢绳是绕在一个动滑轮上的.每箱设备均重4000N .如果起重机沿竖直方向匀速提升一箱设备时,动滑轮上每段钢绳的拉力为2500N ,在忽略钢绳重和摩擦的情况下.(1)起重机提升一箱设备时,对箱子做的有用功是多少?(2)动滑轮在提升这箱设备时的机械效率是多大?(3)在安全操作的前提下,为了节省时间,加快施工进度,起重机同时将两箱设备以0.2m/s 的速度匀速提升到施工台.求这种情况下,动滑轮上钢绳自由端拉力的功率为多大?【考点】机械效率的计算;功的计算;功率的计算.【专题】计算题;功、功率、机械效率.【分析】(1)已知一箱设备重和提升高度可求做的有用功;(2)已知滑轮组由2股绳子承担,可求拉力的距离s=2h ,从而求出总功W 总=Fs ,有用功除以总功就是机械效率;(3)根据动滑轮的特点求出拉力移动的速度v=2v ′,已知提升一箱设备时绳子自由端的拉力,利用F=(G+G 轮)求动滑轮重,再利用F=(G+G 轮)求提升两箱设备时的拉力,最后利用P=Fv 求拉力的功率.【解答】解:(1)对箱子所做的有用功:W 有用=Gh=4000N ×2m=8000J ;(2)钢绳自由端移动的距离s=2h=2×2m=4m ,拉力做的总功:W 总=Fs=2500N ×4m=10000J ;。

2016年四川省乐山市中考英语试卷-答案

2016年四川省乐山市中考英语试卷-答案

四川省乐山市2016年高中阶段教育学校招生统一考试英语答案解析第一卷第一部分听力1.【答案】B2.【答案】C3.【答案】A4.【答案】C5.【答案】B6.【答案】C.7.【答案】A8.【答案】B.9.【答案】C10.【答案】A11.【答案】B12.【答案】A13.【答案】B14.【答案】A15.【答案】B16.【答案】A17.【答案】C18.【答案】B19.【答案】C20.【答案】A第二部分英语知识运用第一节语法和词汇知识一、选择题21.【答案】B【解析】此处泛指“一幅难看的画”,painting为可数名词单数,且ugly的读音以元音音素开头,应使用不定冠词an。

故选B。

【考点】冠词的用法。

22.【答案】C【解析】句意为:他是一个害羞的人,但是他并不害怕任何事,也不怕任何人。

but意为“但是”,表示转折关系,符合题意。

故选C【考点】连词辨析。

23.【答案】A【解析】由交际情景可知,天色已晚,“我”必须得走了。

must意为“必须”,符合题意。

故选A【考点】情态动词辨析。

24.【答案】C【解析】句意为:Shirley是一个喜欢读书的人,她经常从图书馆借许多书来读。

from意为“从……”,符合题意。

故选C【考点】介词辨析。

25.【答案】A【解析】由“1don' t understand what you said.”可知,此处指你能再给“我”举一个例子吗。

another意为“(三者或三者以上)另一个”,符合题意。

other意为“其他的”,其后跟复数名词;others意为“其他人或物”,其后不跟名词,均不符合题意。

故选A。

【考点】代词辨析。

26.【答案】B【解析】由“at the last minute”可知,“改变主意”是过去发生的动作,应使用一般过去时。

故选B【考点】动词的时态。

27.【答案】B【解析】句意为:由于八月的奥运会,里约热内卢将成为最迷人的城市。

because of意为“因为,由于”,符合题意。

2015-2016学年四川省资阳市乐至县七年级(上)期末英语试卷含答案(解析版)

2015-2016学年四川省资阳市乐至县七年级(上)期末英语试卷含答案(解析版)

2015-2016学年四川省资阳市乐至县七年级(上)期末英语试卷一、(共5小题;每小题1分,满分5分)听下面5段对话,从题中所给的3个选项中选出与其意思相符的图片.每段对话读一遍.1.(1分)Who are in Bob's photo?2.(1分)Where is the clock?3.(1分)What fruit does Bob like?4.(1分)How many boys are in the class?5.(1分)What is Jenny's favorite day?二、(共5小题;每小题2分,满分15分)听下面5段对话或独白.每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳答案.每段对话或独白读两遍.6.(2分)听下面一段对话,回答第6﹣7小题.6.What is the boy's last name?A.Black.B.Brown.C.Smith.7.What color is Cindy's cup?A.Green.B.Black.C.Brown.7.(2分)听下面一段对话,回答第8﹣9小题.8.How is ping﹣pong for Alice?A.Easy.B.Interesting.C.Relaxing.9.What sport do Alice and Jack want to play?A.Basketball.B.Ping﹣pong.C.Soccer.8.(3分)听下面一段对话,回答第10﹣12小题.10.When does Cindy have the first class?A.At 8:00.B.At 8:30.C.At 9:00.11.What's Cindy's favorite subject?A.Science.B.English.C.Math.12.Why does Jack like P.E.?A.It's interesting.B.It's relaxing.C.It's easy.9.(3分)听下面一段对话,回答第13﹣15小题.13.Who has a tidy room?A.Cindy.B.Sam.C.Tom.14.Where is the white clock?A.On the desk.B.On the bed.C.In the bookcase.15.What is in the box?A.A radio.B.Some books.C.A basketball.10.(5分)听下面一段独白,回答第16﹣20小题.16.How old is Joe?A.11.B.12.C.13.17.When is Sally's birthday?A.On April 9th.B.On July 6th.C.On November 13th.18.Who is thirteen?A.Ben.B.Lisa.C.David.19.When is Lisa's birthday?A.On May 3rd.B.On August 8th.C.On January 20th.20.What does David do on August 7th?A.He watches baseball game on TV.B.He has a music lesson.C.He has a birthday party.三、单项填空(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑.11.(1分)﹣﹣What's this in English?﹣﹣______ a basketball.()A.it's B.This is C.It's D.That is12.(1分)﹣﹣What's your last name?﹣﹣___________.()A.Tina B.Tom C.Linda D.Smith13.(1分)I have _____ dictionary,but she has ______English book.()A.a;a B.An;an C.an;a D.a;an14.(1分)﹣﹣Mom,where are my pens?﹣﹣They are __________.()A.in your school bag B.in the tableC.under chair D.on a desk15.(1分)These are _____ erasers,but those are ________.()A.her;hers B.your;mine C.his;hers D.yours;my16.(1分)Kate likes _______ for breakfast.()A.tomatos B.breads C.strawberries D.strawberrys17.(1分)The music is ______.I like it.()A.well B.relaxing C.boring D.difficult18.(1分)﹣﹣How much are ____shoes?﹣﹣______are 20________.()A.these;They;dollar B.the;They;dollarC.these;They;dollars D.these;These;dollar19.(1分)Mike is _____.July 14th is his ______birthday.()A.twelveth;twelve B.twelve;twelfthC.twenty;twenteth D.twenty;twentith20.(1分)﹣﹣Do you want _____ the blue jackect?﹣﹣Yes,I do()A.buy B.buys C.take D.to buy四、完形填空(共1小题,每小题10分,满分10分)阅读下列短文,从短文后各题所给的四个选项(A,B,C,D)中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.21.(10分)I'm Ben.(31)people are in my family:my grandparents,my parents and I.My mother is a clerk (职员)at a clothes store.She likes nice (32),and she has many clothes.My(33)is a teacher in a middle school.He likes playing (34).He is in a basketball club (俱乐部),and he (35)basketball every day.Tomorrow is November 30th.That's his (36).I want to(37) a basketball for him as a birthday present.My grandmother is 53.(38)birthday is on January 1st.She likes cooking (烹调),and she cooks good(39)for our family every day.My grandfather is 55.His birthday is on February 13th.He likes (40),and he has some English CDs.31.A.Three B.Four C.Five D.Six 32.A.clothes B.cards C.pictures D.rooms 33.A.grandmother B.grandfather C.mother D.father 34.A.basketball B.soccer C.tennis D.baseball 35.A.spells B.plays C.lost D.found 36.A.pen B.ball C.test D.birthday 37.A.need B.watch C.buy D.sell38.A.My B.Your C.His D.Her 39.A.price B.food C.time D.party 40.A.English B.art C.games D.sports.五、阅读理解(共2小题,41-50每小题10分,51-55每小题10分,满分20分)第一节阅读理解(共2小题;每小题10分,共20分)阅读下列短文,从每题所给的四个选项(A,B,C,D)中选出最佳选项,并在答题卡上将该项涂黑.22.(10分)Hello,I am Becky.I'm eleven.I have a sister,but I don't have a brother.I like sports.I sometimes (有时)play tennis with her.I collect 4tennis rackets,and my sister has 2rackets.I like ping﹣pong,too.I play ping﹣pong with myfriends.Do you like sports?Do you play sports every day?Let's be friends!41.What does Becky have?A.She has a sister.B.She has a brother.C.We don't know.D.She is an English girl.42.What does Becky like?A.She likes her sister.B.She likes her friends.C.She likes ping﹣pong.D.She likes ping﹣pong and tennis.43.Who does Becky play ping﹣pong with?A.Her sister.B.Her classmates.C.Her friends.D.No one.44.Which one is TRUE (正确的)?A.Becky's sister is eleven.B.Becky likes sports.C.Becky has a sister and a brother.D.Becky only likes tennis,and she doesn't like ping﹣pong.45.What does Becky want (想要)to do?A.She wants to write to her parents.B.She wants to find new friends.C.She wants to write a note(便条).D.She wants to play tennis with you.23.(10分)My friend,Tom,has four meals (饭)a day.They are breakfast,lunch,afternoon tea (茶)and dinner.Let's look at what he has for the meals.MealsBreakfastFood eggs and milkTime7:00am﹣8:00amLunch rice (米饭),meat and vegetables11:30am﹣12:30pmAfternoon tea bread,fruit and tea3:00pm﹣4:10pmSupper cereal (麦片粥),vegetables and fish (鱼)6:20pm﹣7:00pm阅读短文,选择正确的答案.46.Tom usually has meal(s)every day.A.oneB.twoC.threeD.four47.Tom has for lunch.A.eggs and milkB.bread,fruit and teaC.cereal,vegetables and fishD.rice,meat and vegetables48.Tom may (可能)have afternoon tea at.A.12:10pmB.2:30pmC.4:00pmD.6:30pm49.The word"supper"means"".A.breakfastB.lunchC.dinnerD.food50.Tom has supper for minutes (分钟).A.40B.50C.60D.70.六、补全短文(共1小题,每小题5分,满分5分)根据短文内容,从下面方框中选择适当的选项补全短文.24.(5分)Lisa:Can I help you?Sandra:(51)I want a skirt.Lisa:What color do you like?Sandra:(52)Lisa:What about this blue one?It's nice.Sandra:Can I try it on (试穿)?Lisa:Sure.Sandra:(53)Lisa:What about the yellow one?It's big.Sandra:Hmm…It's good.(54)Lisa:It's $39.Sandra:(55)Thank you.Lisa:You're welcome.七、英语知识运用(二)(共1小题;每小题10分,选对词得0.5分,选对词且词形也正确得1分,满分10分)从方框中选择单词,带入短文空格内,使短文意思正确、通顺,再将其适当形式填入短文后的横线上.每词限用一次.25.(10分)Mrs.Smith is Jim's mother.She loves(56)family very much.She (57)to the store every day.She often buys food,fruit and clothes(58)Jim and her husband(丈夫).Now many clothes are on sale at Renmin Clothes Store.They (59)very cheap.Mrs.Smith comes to the store and she wants (60)some clothes for her family.There they have sweaters in all(61)for ¥15each and sports (62)for only¥28.Mrs.Smith likes the red sweater and she buys one for herself.She buys a pair of sports shoes for her son.The great T ﹣shirts in the store are just¥18!She buys (63)white one for Mr.Smith.And that's not all.The socks,in all colors,are¥2each.She buys the socks(64)many colors for her family.She is really a good mother(65)a good wife (妻子).八、阅读表达(共1小题;每小题10分,满分10分)根据短文内容,回答问题.26.(10分)Frank,Helen,Cindy,Bob and Eric are in the classroom.Helen found a blue pencil box.A ruler,a pencil and an eraser are in it.Helen asks Frank,"Is this your pencil box?"Frank says,"No.Mine is black."Helen asks Cindy,"Is this your pencil box?"Cindy says,"No.My name is on my pencil box."Helen asks Eric,"Is this your pencil box?"Eric says,"Bob lost his pencil box.It must be his."Helen asks Bob,"Is this your pencil box?"Bob says,"Yes!It's mine.Thank you,Helen!"根据短文内容,回答问题.66.Where are Frank,Helen,Cindy,Bob and Eric?(no more than three words)67.What color is the pencil box?(no more than one word)68.Is the pencil box Frank's?(no more than three words)69.What is on Cindy's pencil box?(no more than two words)70.What are in Bob's pencil box?(no more than seven words).九、书面表达(满分15分)27.(15分)假如你是李华,英文名字是Tom,你想在网上发布一则交友信息,交一个外国朋友.请根据下面表格内的信息提示,用英语写一篇自我介绍.要求:注意:字数50左右,可适当发挥.已经给出的开头,不计入总词数.Hi.I'm a boy in Le zhi.I'm 12.2015-2016学年四川省资阳市乐至县七年级(上)期末英语试卷参考答案与试题解析一、(共5小题;每小题1分,满分5分)听下面5段对话,从题中所给的3个选项中选出与其意思相符的图片.每段对话读一遍.1.(1分)Who are in Bob's photo?【解答】B2.(1分)Where is the clock?【解答】A3.(1分)What fruit does Bob like?【解答】C4.(1分)How many boys are in the class?【解答】A5.(1分)What is Jenny's favorite day?【解答】B二、(共5小题;每小题2分,满分15分)听下面5段对话或独白.每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳答案.每段对话或独白读两遍.6.(2分)听下面一段对话,回答第6﹣7小题.6.What is the boy's last name?A.Black.B.Brown.C.Smith.7.What color is Cindy's cup?A.Green.B.Black.C.Brown.【解答】BC7.(2分)听下面一段对话,回答第8﹣9小题.8.How is ping﹣pong for Alice?A.Easy.B.Interesting.C.Relaxing.9.What sport do Alice and Jack want to play?A.Basketball.B.Ping﹣pong.C.Soccer.【解答】AC8.(3分)听下面一段对话,回答第10﹣12小题.10.When does Cindy have the first class?A.At 8:00.B.At 8:30.C.At 9:00.11.What's Cindy's favorite subject?A.Science.B.English.C.Math.12.Why does Jack like P.E.?A.It's interesting.B.It's relaxing.C.It's easy.【解答】AAB9.(3分)听下面一段对话,回答第13﹣15小题.13.Who has a tidy room?A.Cindy.B.Sam.C.Tom.14.Where is the white clock?A.On the desk.B.On the bed.C.In the bookcase.15.What is in the box?A.A radio.B.Some books.C.A basketball.【解答】ACB10.(5分)听下面一段独白,回答第16﹣20小题.16.How old is Joe?A.11.B.12.C.13.17.When is Sally's birthday?A.On April 9th.B.On July 6th.C.On November 13th.18.Who is thirteen?A.Ben.B.Lisa.C.David.19.When is Lisa's birthday?A.On May 3rd.B.On August 8th.C.On January 20th.20.What does David do on August 7th?A.He watches baseball game on TV.B.He has a music lesson.C.He has a birthday party.【解答】BAACC三、单项填空(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑.11.(1分)﹣﹣What's this in English?﹣﹣______ a basketball.()A.it's B.This is C.It's D.That is【解答】答案:C.this is 这个是;that is 那个是;it is 它是;此题中用this 来提问,回答时必须用代词it 来代替,放于句首,首字母应该大写,故此题选C.12.(1分)﹣﹣What's your last name?﹣﹣___________.()A.Tina B.Tom C.Linda D.Smith【解答】答案:D,外国人的姓名与中国人书写不太一致,一般名在前,姓在后,如Tom Smith,在此,tom是名,Smith是姓,一般常说的Tina,Tom,Linda,David 都是名,Smith,White,Wilson为姓,所以答案为D13.(1分)I have _____ dictionary,but she has ______English book.()A.a;a B.An;an C.an;a D.a;an【解答】答案:D,考查冠词.句意"我有一本字典,但是她有一本英语书.",这两个空都是泛指,dictionary是以辅音音素开头,用a修饰.English是以元音音素开头,用an修饰,答案是D.其它不正确.14.(1分)﹣﹣Mom,where are my pens?﹣﹣They are __________.()A.in your school bag B.in the tableC.under chair D.on a desk【解答】答案:Ain your school bag在你的书包里,根据第一句句意:妈妈,我的钢笔在哪里?可以推断出第二句是:﹣在你的书包里.故选A.15.(1分)These are _____ erasers,but those are ________.()A.her;hers B.your;mine C.his;hers D.yours;my【解答】答案:B.第一空后边存在宾语,所以此处代词应该是形容词性物主代词,his和yours是名词性物主代词,首先排除CD选项;第二空后边无宾语,所以应该填入名词性物主代词,AB符合要求;但句子用but将句意转折,说明前后主语并不一致,所以排除选项A,选择B16.(1分)Kate likes _______ for breakfast.()A.tomatos B.breads C.strawberries D.strawberrys【解答】答案:C.题目中四个选项都可以作为早餐,但是西红柿的复数形式为tomatoes,不是tomotos;bread是不可数名词,所以不能通过加s称为复数;草莓原形为strawberry,复数形式为strawberries,所以选择C17.(1分)The music is ______.I like it.()A.well B.relaxing C.boring D.difficult【解答】答案:B well 健康的,好地;relaxing 令人放松的;boring 无聊的;difficult 困难的;根据I like it可知音乐是好的,用褒义的形容词来修饰,well只有表示身体健康时才是形容词,故此题选B.18.(1分)﹣﹣How much are ____shoes?﹣﹣______are 20________.()A.these;They;dollar B.the;They;dollarC.these;They;dollars D.these;These;dollar【解答】答案:C.dollar 美元,可数名词,复数形式是dollars,shoes 鞋子,一般以复数形式出现,these shoes 再次提到时,为避免重复可用代词they来代替,此题中20美元应该用20 dollars.排除法,排除A,B,D故选C.19.(1分)Mike is _____.July 14th is his ______birthday.()A.twelveth;twelve B.twelve;twelfthC.twenty;twenteth D.twenty;twentith【解答】答案:B.结合句意是说麦克是十二岁,故用基数词twelve,后面是说是他的十二岁的生日,故用序数词twelfth,前面有his修饰,故省略the,故答案是B.20.(1分)﹣﹣Do you want _____ the blue jackect?﹣﹣Yes,I do()A.buy B.buys C.take D.to buy【解答】答案:D.本题考查非谓语动词的用法.根据语境推测句意是"你想买那件蓝色的夹克吗?",结合设空处前面的want判断此题考查句式"want (sb.)to do sth.想(叫某人)做某事";所以选D.四、完形填空(共1小题,每小题10分,满分10分)阅读下列短文,从短文后各题所给的四个选项(A,B,C,D)中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.21.(10分)I'm Ben.(31)C people are in my family:my grandparents,my parents and I.My mother is a clerk (职员)at a clothes store.She likes nice(32)A,and she has many clothes.My(33)D is a teacher in a middle school.He likes playing (34)A.He is in a basketball club (俱乐部),and he (35)B basketball every day.Tomorrow is November 30th.That's his (36)D.I want to(37)C a basketball for him as a birthday present.My grandmother is 53.(38)D birthday is on January 1st.She likes cooking (烹调),and she cooks good(39)B for our family every day.My grandfather is 55.His birthday is on February 13th.He likes (40)A,and he has some English CDs.31.A.Three B.Four C.Five D.Six 32.A.clothes B.cards C.pictures D.rooms 33.A.grandmother B.grandfather C.mother D.father 34.A.basketball B.soccer C.tennis D.baseball 35.A.spells B.plays C.lost D.found 36.A.pen B.ball C.test D.birthday 37.A.need B.watch C.buy D.sell38.A.My B.Your C.His D.Her 39.A.price B.food C.time D.party 40.A.English B.art C.games D.sports.【解答】答案:31.C考查基数词.根据下文my grandparents,my parents and I.我的祖父母,我的父母和我,结合选项,Three三;Four四;Five五;Six六;可知应是家里有五口人.故选C.32.A考查名词.根据下文she has many clothes.她有很多衣服.结合选项,clothes 衣服;cards卡片;pictures照片;rooms房间;可知她喜欢漂亮的衣服.故选A.33.D考查名词.根据下文He is in a basketball club (俱乐部),他在一个篮球俱乐部.结合选项,grandmother祖母;grandfather祖父;mother妈妈;father爸爸;可知应说我的爸爸是一名中学老师.故选D.34.A考查名词.根据下文He is in a basketball club (俱乐部),他在一个篮球俱乐部.结合选项,basketball篮球;soccer足球;tennis网球;baseball棒球;可知应说他喜欢打篮球.故选A.35.B考查动词.根据上文He likes playing basketball.He is in a basketball club (俱乐部),他喜欢打篮球.他在一个篮球俱乐部.结合选项,spells拼;plays玩;lost 丢失;found发现;可知每天他都打篮球.故选B.36.D考查名词.根据下文I want to buy a basketball for him as a birthday present 我想给他买个篮球作为生日礼物,结合选项,pen钢笔;ball球;test测验;birthday 生日;可知明天是11月30日.他的生日.故选D.37.C考查动词.根据上文Tomorrow is November 30th.That's his birthday,明天是11月30日.他的生日.结合选项,need需要;watch看;buy买;sell卖;可知我想给他买个篮球作为生日礼物,故选C.38.D考查代词.根据上文My grandmother is 53.结合选项,My我的;Your你的;His他的;Her她的;可知说的是grandmother 祖母.所以用her,即她的生日在1月1日.故选D.39.B考查名词.根据上文She likes cooking (烹调),她喜欢烹调.结合选项,price价格;food食物;time时间;party聚会;可知她每天为我们的家人做好的食物.故选B.40.A考查名词.根据下文he has some English CDs.他有一些英语光盘.结合选项,English英语;art美术;games游戏;sports运动.可知应说他喜欢英语.故选A.五、阅读理解(共2小题,41-50每小题10分,51-55每小题10分,满分20分)第一节阅读理解(共2小题;每小题10分,共20分)阅读下列短文,从每题所给的四个选项(A,B,C,D)中选出最佳选项,并在答题卡上将该项涂黑.22.(10分)Hello,I am Becky.I'm eleven.I have a sister,but I don't have a brother.I like sports.I sometimes (有时)play tennis with her.I collect 4tennis rackets,and my sister has 2rackets.I like ping﹣pong,too.I play ping﹣pong with my friends.Do you like sports?Do you play sports every day?Let's be friends!41.What does Becky have?AA.She has a sister.B.She has a brother.C.We don't know.D.She is an English girl.42.What does Becky like?DA.She likes her sister.B.She likes her friends.C.She likes ping﹣pong.D.She likes ping﹣pong and tennis.43.Who does Becky play ping﹣pong with?CA.Her sister.B.Her classmates.C.Her friends.D.No one.44.Which one is TRUE (正确的)?BA.Becky's sister is eleven.B.Becky likes sports.C.Becky has a sister and a brother.D.Becky only likes tennis,and she doesn't like ping﹣pong.45.What does Becky want (想要)to do?BA.She wants to write to her parents.B.She wants to find new friends.C.She wants to write a note(便条).D.She wants to play tennis with you.【解答】41﹣45.ADCBB41题答案:A 考查细节理解题,根据文中的第一行I have a sister可知有个妹妹,故答案A42题答案:D 考查细节理解题,根据文中的第一行.I sometimes (有时)play tennis with her.I collect 4tennis rackets,and my sister has 2rackets.I like ping﹣pong,too.可知喜欢打网球和乒乓球,故答案D43题答案:C 考查细节理解题,根据文中的第二行I play ping﹣pong with my friends可知和朋友们打乒乓球,故答案C44题答案:B 考查细节理解题,根据文中的第一行I like sports可知贝基喜欢运动,故答案B45题答案:B 考查细节理解题,根据文中的最后两句Do you play sports every day?Let's be friends可知想交新朋友,故答案B23.(10分)My friend,Tom,has four meals (饭)a day.They are breakfast,lunch,afternoon tea (茶)and dinner.Let's look at what he has for the meals.MealsBreakfastFood eggs and milkTime7:00am﹣8:00amLunch rice (米饭),meat and vegetables11:30am﹣12:30pmAfternoon tea bread,fruit and tea3:00pm﹣4:10pmSupper cereal (麦片粥),vegetables and fish (鱼)6:20pm﹣7:00pm阅读短文,选择正确的答案.46.Tom usually has D meal(s)every day.A.oneB.twoC.threeD.four47.Tom has D for lunch.A.eggs and milkB.bread,fruit and teaC.cereal,vegetables and fishD.rice,meat and vegetables48.Tom may (可能)have afternoon tea at C.A.12:10pmB.2:30pmC.4:00pmD.6:30pm49.The word"supper"means"C".A.breakfastB.lunchC.dinnerD.food50.Tom has supper for A minutes (分钟).A.40B.50C.60D.70.【解答】46﹣50 DDCCA46题答案:D 考查细节理解题,根据文中的第一段My friend,Tom,has four meals (饭)a day可知一天吃四顿饭,故答案D47题答案:D 考查细节理解题,根据文中的第七行Lunch rice (米饭),meat and vegetables可知午餐米饭,肉和蔬菜,故答案D48题答案:C 考查细节理解题,根据文中的倒数三四行Afternoon tea bread,fruit and tea 3:00pm﹣4:10pm可知下午四点,故答案C49题答案:C 考查词汇题,根据文中后面时间6:20pm﹣7:00pm可知是晚餐,故答案C50题答案:A 考查细节理解题,根据文中的最后二行Supper cereal (麦片粥),vegetables and fish (鱼)6:20pm﹣7:00pm可知吃40分钟,故答案A六、补全短文(共1小题,每小题5分,满分5分)根据短文内容,从下面方框中选择适当的选项补全短文.24.(5分)Lisa:Can I help you?Sandra:(51)C I want a skirt.Lisa:What color do you like?Sandra:(52)ELisa:What about this blue one?It's nice.Sandra:Can I try it on (试穿)?Lisa:Sure.Sandra:(53)ALisa:What about the yellow one?It's big.Sandra:Hmm…It's good.(54)DLisa:It's $39.Sandra:(55)B Thank you.Lisa:You're welcome.【解答】51.C考查文章的理解和上下文的搭配,根据上一句:我能帮你吗?可知此处应该是:是的,我想要一条裙子,故填C.52.E考查文章的理解和上下文的搭配,根据上一句:你喜欢什么颜色的?可知此处应该是:蓝色和黄色.故填E.53.A考查文章的理解和上下文的搭配,根据下一句:黄色的怎么样?它挺大.可知此处应该是:它太小,故填A.54.D考查文章的理解和上下文的搭配,根据下一句:39美元.可知此处应该是:多少钱?故填D.55.B考查文章的理解和上下文的搭配,根据下一句:谢谢.可知此处应该是:我买了,故填B.七、英语知识运用(二)(共1小题;每小题10分,选对词得0.5分,选对词且词形也正确得1分,满分10分)从方框中选择单词,带入短文空格内,使短文意思正确、通顺,再将其适当形式填入短文后的横线上.每词限用一次.25.(10分)Mrs.Smith is Jim's mother.She loves(56)her family very much.She (57)goes to the store every day.She often buys food,fruit and clothes(58)for Jim and her husband(丈夫).Now many clothes are on sale at Renmin Clothes Store.They (59)are very cheap.Mrs.Smith comes to the store and she wants (60)to buy some clothes for her family.There they have sweaters in all(61)colors for¥15each and sports (62)shoes for only¥28.Mrs.Smith likes the red sweater and she buys one for herself.She buys a pair of sports shoes for her son.The great T﹣shirts in the store are just¥18!She buys (63)a white one for Mr.Smith.And that's not all.The socks,in all colors,are¥2each.She buys the socks(64)in many colors for her family.She is really a good mother(65)and a good wife (妻子).【解答】56.答案:her.考查物主代词.句意"她非常爱她的家庭",根据句意及所给单词可知,用she的形容词性物主代词her她的,修饰名词family.57.答案:goes.考查动词.句意"她每天都去逛商店",一般现在时态,主语是she第三人称单数,可知用go的第三人称单数goes.58.答案:for考查介词.句意"她常经常为吉姆和她的丈夫买食物,水果和衣服",根据句意及所给单词可知用for,表示目的.59.答案:are.考查be动词.句意"它们是非常便宜的",根据they可知用be 动词的复数are.60.答案:to buy.考查固定搭配.句意"她想为家里人买一些衣服"want to do sth 想要做某事,根据句意及所给单词可知用to buy.61.答案:colors.考查名词.句意"店里的所有颜色的毛衣只需15元一件",根据句意及所给单词可知用color的复数colors.62.答案:shoes.考查名词.句意"运动鞋也只是需要28元"根据She buys a pair of sports shoes for her son.她为她的儿子买了一双运动鞋.可知用shoe的复数shoes.63.答案:a.考查冠词.句意"她买了一件白色的给力史密斯先生",根据句意,所给单词,及white是以辅音音素开头的,可知用a修饰.64.答案:in.考查介词.句意"史密斯夫人为家里人买了不同颜色的袜子",颜色前面用介词in.65.答案:and.考查连词.句意"她真是一个好妈妈和一个好妻子",表示两个并列关系的连词用and和.八、阅读表达(共1小题;每小题10分,满分10分)根据短文内容,回答问题.26.(10分)Frank,Helen,Cindy,Bob and Eric are in the classroom.Helen found a blue pencil box.A ruler,a pencil and an eraser are in it.Helen asks Frank,"Is this your pencil box?"Frank says,"No.Mine is black."Helen asks Cindy,"Is this your pencil box?"Cindy says,"No.My name is on my pencil box."Helen asks Eric,"Is this your pencil box?"Eric says,"Bob lost his pencil box.It must be his."Helen asks Bob,"Is this your pencil box?"Bob says,"Yes!It's mine.Thank you,Helen!"根据短文内容,回答问题.66.Where are Frank,Helen,Cindy,Bob and Eric?(no more than three words)In the classroom.67.What color is the pencil box?(no more than one word)Blue.68.Is the pencil box Frank's?(no more than three words)No,it isn't69.What is on Cindy's pencil box?(no more than two words)Cindy's name70.What are in Bob's pencil box?(no more than seven words)A ruler,a pencil and an eraser.【解答】66.In the classroom 细节理解题.根据Frank,Helen,Cindy,Bob and Eric are in the classroom可知弗兰克,海伦,辛蒂,鲍伯和埃里克在教室里,故答案为:In the classroom.67.Blue.细节理解题.根据Helen found a blue pencil box可知铅笔盒是蓝色的,故答案为:Blue.68.No,it isn't 细节理解题.根据Frank says,"No.Mine is black可知铅笔盒不是弗兰克的,故答案为:No,it isn't.69.Cindy's name 细节理解题.根据Cindy says,"No.My name is on my pencil box可知辛迪的名字在铅笔盒上,故答案为:Cindy's name.70.A ruler,a pencil and an eraser细节理解题.根据A ruler,a pencil and an eraser are in it可知铅笔盒里有一把尺子,一致铅笔盒一块橡皮,故答案为:A ruler,a pencil and an eraser.九、书面表达(满分15分)27.(15分)假如你是李华,英文名字是Tom,你想在网上发布一则交友信息,交一个外国朋友.请根据下面表格内的信息提示,用英语写一篇自我介绍.要求:注意:字数50左右,可适当发挥.已经给出的开头,不计入总词数.Hi.I'm a boy in Le zhi.I'm 12.【解答】Hi.I'm a boy in Le zhi.I'm 12.(年龄和城市)There are four people in my family,my parents,my brother and I.【高分句型一】(家庭)I like sports and my favorite sport is volleyball.(兴趣爱好)I like eggs and tomatoes.I think they are good for my health.【高分句型二】But I don't like salad and beef.(食物)My name is Li Hua,my English name is Tom.(姓名)Do you want to be my friend?。

2018年四川省资阳市乐至县九年级中考学业水平测试模拟英语考试试题 解析版

2018年四川省资阳市乐至县九年级中考学业水平测试模拟英语考试试题  解析版

2018年四川省资阳市乐至县九年级中考学业水平测试模拟英语试题一、第一部分听力理解(共两节,满分5分)第一节(共5小题;每小题1分,满分5分)phone听下面5段对话,从题中所给的A、B、C三个选项中选出与意思相符的图片.每段对话读一遍.1.(1分)What is John looking for?2.(1分)What will the two speakers do?3.(1分)What is Jenny doing now?4.(1分)What sign is it?5.(1分)What is the father probably doing now?第二节(共5小题,每小题3分,满分15分)听下面5段对话或独白.从题中所给的三个选项中选出最佳选项,每段对话或独白读两遍.6.(3分)(1)What kind of movies does the woman like ?A.DocumentariesB.CartoonsC.Thrillers.(2)What does the man think of cartoons?A.boring.B.funnyC.scary.(3)How does the woman feel when watching war movies?A.ExcitedB.Bored.C.Sad.7.(3分)(1)What kind of party is it?A.A good﹣bye party.B.A new year party.C.A welcome party.(2)When is the party?A.At 7o'clock this evening.B.At 7o'clock tomorrow evening.C.At 8o'clock tomorrow evening.(3)What will the boy bring to the party?A.A camera.B.Food and drinks.C.Music CDs.8.(3分)(1)How was the weather during the Brown's trip?A.Pretty warm.B.Pretty hot.C.Pretty cool.(2)How were the hotels?A.Excellent and not expensive.B.Cheap but not good.C.Nice but expensive.(3)What was the woman advised to buy?A.seafood.B.Clothes.C.Gold.9.(3分)(1)Where does the man want to go?A.Tokyo.B.Auckland.C.Chicago.(2)What time will the Flight 212 take off?A.At 10:30 a.m.B.At 11:30 a.m.C.At 11:30 p.m.(3)How long does the whole journey take?A.About 10 hours.B.About 11 hours.C.About 12 hours.10.(3分)(1)How old was Victor's little son?A.Seven.B.Six.C.Five.(2)Why did Victor drive his car to the town?A.To buy some food.B.To visit his friend.C.To send the boys to school.(3)What did the dog and the boys do while?A.They jumped driving the car bravelyB.They sat there quietly.C.The dog barked and the boys shouted at the thief.二、第二部分英语知识运用(一)(共两节,满分10分)第一节单项填空(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.11.(1分)I had unusual day on my last vacation.Because I met famous actor.()A.a;a B.a;an C.an;an D.an;a12.(1分)I don't want to eat ,Mum.I'm not feeling well.()A.anything B.nothing C.something D.everything 13.(1分)﹣﹣﹣Your coat is so beautiful.It must be expensive.﹣﹣﹣Not really.I only _____¥30on it.()A.cost B.spent C.paid D.took14.(1分)﹣How many students are there in your school?﹣About five ________.()A.hundreds B.hundredC.hundreds of D.hundred of15.(1分)﹣which season do you like ,spring,summer,fall or winter?﹣I like summer.Because I can go swimming.()A.best B.better C.well D.good16.(1分)﹣﹣﹣Is your father in now?﹣﹣﹣No,he____ to Fan Changjiang Memorial with his friends.()A.has been B.has gone C.will go D.went17.(1分)﹣﹣﹣I called you at 5:00 yesterday afternoon,but no one answered.﹣﹣﹣Sorry,I ______ football with my friends at that time.()A.play B.playedC.will play D.was playing18.(1分)﹣Would you like some juice?﹣________.I'd like something to eat.()A.Yes,please.B.No problem.C.That's OK.D.No,thanks.19.(1分)interesting book it is! I want to read it.()A.What an B.What C.How an D.How20.(1分)I don't understand ______ such a silly question in class yesterday.()A.why did John ask B.why John askedC.why is John asking D.why John asks三、第二节完形填空(共1小题;每小题15分,满分15分)阅读下面短文,从短文后各题所给的A、B、C、D四个选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.21.(15分)There was once a poor woman with only one son.One day,she asked her son if there was anything he wanted.The boy said he wanted a (1).The mother left for the market,feeling very sad,(2)she did not have enough money (3) a drum.On the way home,she (4) a piece of wood and gave(5)to her son to play with.Later that day,the boy went outside to play.Along the road,he saw an old woman (6).The old woman was trying to start a fire to cook some food,(7)she didn't have any wood.Hearing this,the boy gave her his piece of wood.The old woman gave him a piece of the bread she had made.Then,further down the road,the boy (8) a tail's(裁缝)wife and her crying child.The boy asked her what was wrong.The woman said she had no food to her (9)child.The boy gave the woman the piece of (10),and she gave him a new coat.The boy walked on.Next,the boy saw a man (11)had no shirt.The man said he had been robbed (抢劫)on his way home.The robbers had taken all things:his moneny,his shirt (12)his horse.The boy gave the man his new coat.The man was (13)happy that he gave the boy his horse.Finally,on his way home,the boy met a group of people going to a wedding.There weremusicians,the bridegroom(新郎),and his family.Everyone looked worried.The bridegroom's father said,"we are waiting for a horse,if it doesn't come soon,we will be late for the wedding."The boy gave them his (14).The group asked the boy what they would give him,and he replied,"A drum."so the musicians gave him their drum.The boy ran home to tell his mother how he had at last gotten the drum he had wanted.His mother thought for a while then told him that helping others is helping (15).(1)A.coat B.bread C.drum D.horse(2)A.unless B.and C.so D.because(3)A.to buy B.buying C.buy D.bought(4)A.found out B.found C.looked for D.see(5)A.it B.them C.itself D.themselves(6)A.smile B.smiling C.crying D.to cry(7)A.but B.if C.once D.because(8)A.met B.asked C.visit D.stopped(9)A.full B.hungry C.happy D.lost(10)A.wood B.meat C.paper D.bread(11)A.whose B.who C.what D.where(12)A.besides B.except C.and D.many(13)A.such B.so C.very D.too(14)A.bread B.drum C.shirt D.horse(15)A.you B.themselves C.them D.ourselves四、第三部分阅读理解(共4小题;每小题1.5分,满分24分)第一节阅读理解(共4小题;每小题1.5分,满分24分)阅读下列短文,从短文后各题所给的A、B、C、D四个选项中选出最佳选项,并在答题卡上将该项涂黑.22.(6分)Josh and Amy are like many teenagers these days.They have jobs to do to help out around the home.Josh washes cars for his neighbors while Amy helps their neighbor's kids with their homework.Like many families,both of Josh and Amy's parents work outside thehome.Everyone in Josh and Amy's family is busy.Their mom works in an office and often has to stay late for meetings.Their father owns his own small business and stays late to finish his work.Josh and Amy go to school.Both belong to clubs and sports teams.They also have lots of friends with whom they want to spend time.Josh and Amy's mom leaves for work at 7:00in the morning and does not get home most days until 6:30pm.The same is true for their dad,but he leaves home in the morning even earlier.Josh and Amy's parents work to be able to provide for their family.They need money to pay for their home and to pay their bills.Next year they want to buy a new car.The family also wants to go on a vacation to California.Josh and Amy need clothes,books,and other things for school.Their parents are also saving money so Josh and Amy can go to college when they finish high school.36.How many people are there in the family?A.One.B.Two.C.Three.D.Four.37.What does the father do?A.Work in an office.B.Run his own business.C.Plan vacations to California.D.Drive kids to school.38.What do the kids do to help their parents?A.Take part﹣time jobs.B.Join clubs and sports teams.C.Spend time with their friends.D.Go to school early.39.Where do the parents spend most of their daytime?A.At home.B.At workplace.C.In their kids'school.D.On business trips.40.What's the best title for this passage?A.Lovely kidsB.Hard﹣working parentsC.Family wishesD.A busy family.23.(6分)56.How long will the 2014FIFA World Cup last?A.About a month.B.About two weeks.C.About a week.57.What kind of TV program is A Bite of China?A.A comedy.B.A documentary.C.A thriller.58.What's Lu Jialei's hobby?A.She likes reading.B.She likes running.C.She likes eating.59.Which is NOT true according to the articles?A.Lu Jialei always gets good grades at school.B.The World Cup has been held in South America twice.C.Many people like watching the TV program A Bite of China.60.The articles probably come fromA.a story book.B.a science report.C.the Internet.24.(6分),Every time we talk about the54.What does"rocking the boat"most likely mean in Kate's letter?A.Doing easy jobs.B.Telling people what to do.C.Working without thinking.D.Stopping things going well.55.What does the underlind"this"mean in Kate's letter?A.Speaking at the wrong time.B.Talking too much about himself.C.Saying something bad about the group.D.Making excuses for being late for group meetings.56.Who most probably is Ms.Lin?A.Kate's mother.B.Gary's mother.D.A student.57.What do we know from Aunt Tara's letter?A.Kate is the best student of the class.B.Gary has decided to change himself.C.Gary should be put in another group.D.Kate should let Gary know how she feels.25.(6分)DTea Cottage Wants You!Join us in Tea Cottage ﹣the best Chinese restaurant in town.We are now looking for someone interested in working with us.✿2 Cooks⊹At least two years' work experience in a restaurant kitchen⊹Good at making Chinese dishes⊹Able to work on weekends⊹Work 16:00﹣21:00 every day (USD$600/week)✿Waiters / Waitresses⊹At least one year's work experience in cafes or restaurants⊹Part﹣time welcome⊹Work 11:00﹣15:00 or 16:00﹣21:00 (USD$16/hour)✿2 Cleaners⊹No experience needed⊹Part﹣time welcome⊹Wash dishes,clean the kitchen⊹Work 12:00﹣15:00 or 17:00﹣22:00 (USD$12/hour)✿We're also looking for singers and bands for Wednesday nights!Call 213﹣333﹣6789 Ms.Wu(1)What you have read is a(n).A.reportB.ad.D.notice(2)What restaurant is Tea Cottage?A.Chinese.B.British.C.American.D.French.(3)Who has to work every day?A.Singers.B.Waiters.C.Cleaners.D.Cooks.(4)If you want to get more information,you can.A.send a letterB.make a callC.send an emailD.visit the boss五、第二节补全短文(共1小题;每小题1.5分,满分6分)根据短文内容,从短文后的选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.每个选项限选一次.26.(6分)"If I had one million Yuan,I would buy you palace! (1)No,I don't!SoI only can spend ten fens on this short message,sending you my best wishes!" (2)China Mobile says that every second,ther are 410 messages being sent.(3)People are watching their mobile,smiling or laughing.Fingers are moving quickly on mobiles,bringing happiness to their friends.Through SMS,we know the weather report,share jokes and news,express love and friendship.SMS is becoming more and more popular,It is reported that 67% of young people like to send short messages to greet each other.(4)I am thankful for the progress because SMS saves me much money,Just on the top end of a finger,so much joy can be found!六、第四部分英语知识运用(二)(共1小题;每小题1.5分,满分15分)从方框中选择单词,并用其正确形式填空,然后将答案写到答题卡相应的位置上.每词限用一次.27.(15分)Wang Yaping is a Chinese spacewoman.She has made history when she was thirty﹣three years old﹣she has been China's (1)teacher in space.Wang (2)Chinese primary and middle school students on Earth physics phenomena(现象)in space.She prepared (3)for the lecture and expressed full confidence about the lesson.Meeting the media,she said,"We are all (4)facing the space.We are (5)forward to encouraging our young friends to learn and research the beautiful space."Wang was born in (6)1980.She is (7)east China's Shandong Province.She was a pilot in the People's Liberation Army Air Force with experience of 1,600 (8)of flying.Except the space lecture,Wang (9)responsible(负责的)for monitoring(监测)the conditions of spacecraft,space experiments and operation of equipment,among others.Wang has served the People's Liberation Army(人民解放军)(10)August 1997.In May 2010,Wang become a member of the second batch of Chinese astronauts.Wang was chosen to be the member of the Shenzhou﹣10 space group in April 2013.She was China's second woman astronaut who was sent into space after Liu Yang who flew with the Shenzhou﹣9 spacecraft.How great Wang Yaping is!七、第五部分写作(共两节,满分10分)第一节阅读表达(共1小题;每小题10分,满分10分)阅读下面短文并回答问题,然后将答案写到答题卡相应的位置上.请注意词数要求.28.(10分)Tom loves dogs.when his fifth﹣grade class started a community service project,the boy had an idea:Why not make dog treats(狗食)and sell them?He and his friend and classmate Peter put their heads together."First we came up with a name,"said Tom."I came up with the name ‘sweetie Bones Made With Love'"Then the boys reseached and made round and Heart﹣shaped dog treats themselves."It was a long shot(尝试)"at making treats and knocking on doors to sell them,"said Miles."we knew it might not work,and we were nervous.But then we were so excited when we sold our first bag."Now the two boys get together on the weekends and make different tastes of dog treats,including cheeses﹣peanut﹣buter﹣chichen and meat﹣love's.Peter's dog,Agend,often servers as a taste tester."He loves the beef taste best."said peter."I was hoping we could start our own small shop in Maryland and then spread it Worldwide."He said."I love the faces on the dogs when we give them a treat.It makes you feel really good."(1)When did Tom have the idea of making and selling dog treats?(No more than 2 words)(2)Who thought of the name ‘Sweetie Bones Made With Love'?(No more than 1 word)(3)How did the boys feel when they sold their first bag of dog treats?(No more than 1 word)(4)What's Peter's dog's favorite taste?(No more than 3 words)(5)Where did Peter want to open their first small shop?(No more than 2 words)八、第二节书面表达(满分20分)29.(20分)你喜欢骑自行车吗?你听说过共享单车(shared bikes)吗?现学校"Foucs"栏目就共享单车这个话题,向我们征集稿件.请根据以下提示,以"shared bikes"为题,写一篇短文.要点提示:1.现在,城市有很多共享单车,且越来越受到人们欢迎.2.原因:骑共享单车,花钱少,出行方便,几乎没有污染,有益于健康.3.问题:到处堆放,难以保持城市清洁;有人损坏单车.4.呼吁:政府应该采取行动解决这些问题,人们也应该保护单车…….'注意:1.词数80左右,所写内容必须包含上面提示的所有要点,不要逐字逐句翻译,可适当发挥;2.文中不得出现真实人名及学校名;3.开头已给出,不计入总词数.Do you like riding bikes?Have you heard of shared bikes?2018年四川省资阳市乐至县九年级中考学业水平测试模拟英语试题参考答案与试题解析一、第一部分听力理解(共两节,满分5分)第一节(共5小题;每小题1分,满分5分)phone听下面5段对话,从题中所给的A、B、C三个选项中选出与意思相符的图片.每段对话读一遍.1.(1分)What is John looking for?【分析】略【解答】C【点评】略2.(1分)What will the two speakers do?【分析】略【解答】A【点评】略3.(1分)What is Jenny doing now?【分析】略【点评】略4.(1分)What sign is it?【分析】略【解答】B【点评】略5.(1分)What is the father probably doing now?【分析】略【解答】A【点评】略第二节(共5小题,每小题3分,满分15分)听下面5段对话或独白.从题中所给的三个选项中选出最佳选项,每段对话或独白读两遍.6.(3分)(1)What kind of movies does the woman like ?A.DocumentariesB.CartoonsC.Thrillers.(2)What does the man think of cartoons?A.boring.B.funnyC.scary.(3)How does the woman feel when watching war movies?A.ExcitedC.Sad.【分析】略【解答】略【点评】略7.(3分)(1)What kind of party is it?A.A good﹣bye party.B.A new year party.C.A welcome party.(2)When is the party?A.At 7o'clock this evening.B.At 7o'clock tomorrow evening.C.At 8o'clock tomorrow evening.(3)What will the boy bring to the party?A.A camera.B.Food and drinks.C.Music CDs.【分析】略【解答】略【点评】略8.(3分)(1)How was the weather during the Brown's trip?A.Pretty warm.B.Pretty hot.C.Pretty cool.(2)How were the hotels?A.Excellent and not expensive.B.Cheap but not good.C.Nice but expensive.(3)What was the woman advised to buy?A.seafood.C.Gold.【分析】略【解答】略【点评】略9.(3分)(1)Where does the man want to go?A.Tokyo.B.Auckland.C.Chicago.(2)What time will the Flight 212 take off?A.At 10:30 a.m.B.At 11:30 a.m.C.At 11:30 p.m.(3)How long does the whole journey take?A.About 10 hours.B.About 11 hours.C.About 12 hours.【分析】略【解答】略【点评】略10.(3分)(1)How old was Victor's little son?A.Seven.B.Six.C.Five.(2)Why did Victor drive his car to the town?A.To buy some food.B.To visit his friend.C.To send the boys to school.(3)What did the dog and the boys do while?A.They jumped driving the car bravelyB.They sat there quietly.C.The dog barked and the boys shouted at the thief.【分析】略【解答】略【点评】略二、第二部分英语知识运用(一)(共两节,满分10分)第一节单项填空(共10小题;每小题1分,满分10分)从A、B、C、D四个选项中,选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.11.(1分)I had unusual day on my last vacation.Because I met famous actor.()A.a;a B.a;an C.an;an D.an;a【分析】上个假期我度过了一个不寻常的一天.因为我遇到了一个著名的演员.【解答】a,an,二者都是冠词,a,an 是不定冠词,放在单数可数名词前面,表示某类人或事物中的"一个、一名",表泛指,a用于以辅音音素开头的字母或单词前、an用于以元音音素开头的字母或单词前."由题干"﹣上一个度假我过了一个不寻常的一天.因为我遇到了那个著名的演员."可知,"一个不寻常的一天","一个著名的教授"都表泛指,用不定冠词,因unusual是以元音音素开头的单词,因此用an;因famous是以辅音音素开头的单词,因此用a,所以答案应是an;a.故选:D.【点评】本题考查冠词的用法,在熟知所供词的含义基础上,根据句意,从而判断出正确答案.12.(1分)I don't want to eat ,Mum.I'm not feeling well.()A.anything B.nothing C.something D.everything【分析】我什么都不想吃,妈妈.我不舒服.【解答】everything,something,anything ,nothing四者都是指物的复合不定代词,它们作主语时,谓语动词常用单数形.everything 意为每件事;一切事.可用于肯定句、疑问句或否定句中.something 意为某事;某物.常用于肯定句中,也可用于征求对方意见的疑问句中.anything 意为某事;任何事.一般用于否定句或疑问句中.nothing 意为没有什么;没有东西.用在否定句中.由题干我什么都不想吃,妈妈.我不舒服.可知这里用在否定句中用anything,因此答案应是anything.故选:A.【点评】本题考查不顶代词的用法,在熟知所供词的含义基础上,根据句意,从而判断出正确答案.13.(1分)﹣﹣﹣Your coat is so beautiful.It must be expensive.﹣﹣﹣Not really.I only _____¥30on it.()A.cost B.spent C.paid D.took【分析】句意:﹣﹣你的上衣太漂亮了.它一定很贵吧.﹣﹣不完全是.我买它仅仅花了三十元钱.【解答】答案:B.take、spend、cost、pay的用法都可以表示"花费",spend的主语必须是人,用于spend time/money on(in doing )sth;cost的主语是物或某种活动,take后面常跟双宾语,用于句型It takes sb.+时间+to do sth;pay的基本用法是:pay (sb.)money for sth.付钱(给某人),pay for sth.付…的钱.根据I only _____¥30on it,可知在这里的意思是我买它仅仅花了三十元钱,考查了spend…on 用法.故选B.【点评】本题考查了动词词义辨析.解答本题时应正确区分辨别take、spend、cost、pay 的用法.14.(1分)﹣How many students are there in your school?﹣About five ________.()A.hundreds B.hundredC.hundreds of D.hundred of【分析】﹣﹣你们学校有多少学生?﹣﹣大约五百.【解答】hundred百,前面有具体数词修饰时,不能加S;表示大概数目的时候,如:要加S:hundreds of 数百的.根据About five ﹣﹣,这里有具体的数字用hundred.故选:B.【点评】本题考查的是数词million的用法,理解句意并熟练掌握million的用法是解题的关键.15.(1分)﹣which season do you like ,spring,summer,fall or winter?﹣I like summer.Because I can go swimming.()A.best B.better C.well D.good【分析】﹣﹣你最喜欢哪个季节,春天,夏天,秋天还是冬天?﹣﹣我喜欢夏天,因为我可以去游泳.【解答】答案:A.考查最高级.句意"﹣﹣你最喜欢哪个季节,春天,夏天,秋天还是冬天?﹣﹣我喜欢夏天,因为我可以去游泳.".A最高级.B比较级.C好,副词或形容词.D好,形容词.结合语境"春天,夏天,秋天还是冬天?",可知,三者以上比较,应该用最高级best,故选:A.【点评】考查最高级,要熟练掌握最高级的变法,根据具体的语境仔细分析选择恰当的最高级形式.16.(1分)﹣﹣﹣Is your father in now?﹣﹣﹣No,he____ to Fan Changjiang Memorial with his friends.()A.has been B.has gone C.will go D.went【分析】﹣﹣你爸爸现在在吗?﹣﹣不,他和他的朋友一起已经去了范长江的纪念馆.【解答】答案:B 根据Is your father in now?你爸爸现在在吗?以及下文No,he____ to Fan Changjiang Memorial with his friends.结合选项,答语是:不.可知他和他的朋友一起已经去了范长江的纪念馆.此事已经发生,应该用现在完成时态,have gone to 意思是已经去了.现在还没回来.have been to 意思是去过某地,而且已经从那里回来,动作已经完成了.故填:has gone.故选:B.【点评】本题主要考查动词时态,做此类题目一定注意时间状语,注意句子所表达的含义,才能更好地判断.同时更应记清时态的构成形式.就本题而言,主要考查现在完成时态以及have gone to,have been to的用法.17.(1分)﹣﹣﹣I called you at 5:00 yesterday afternoon,but no one answered.﹣﹣﹣Sorry,I ______ football with my friends at that time.()A.play B.playedC.will play D.was playing【分析】﹣﹣昨天下午五点我给你打电话,但是没有人接.﹣﹣抱歉,那个时候我在跟我的朋友们一起踢足球.【解答】答案:D.首先根据时间状语at that time,判断设空处的动作在过去某个时刻,即"昨天下午五点"正在进行着,且动作在一段时间内持续进行,所以用过去进行时,过去进行时的构成是:主语+was/were+动词的现在分词,主语是I所以be动词用was;故选D.【点评】本题考查了动词的时态.做题时,一定要特别关注有关的时间短语,这是判断句子时态的标志.在没有时间状语的情况下可以联系上下文根据语境来做出正确判断.18.(1分)﹣Would you like some juice?﹣________.I'd like something to eat.()A.Yes,please.B.No problem.C.That's OK.D.No,thanks.【分析】﹣你想喝点果汁吗?﹣不了,谢谢.我想吃点东西.【解答】本题考查的是英语中的日常交际用语,Yes,please.是的,请给我来一些;No problem.没问题;That's OK.没关系;No,thanks.不了,谢谢.根据题干juice跟I'd like something to eat可知选D.【点评】交际用语题考查学生的语言基础知识、交际能力和综合语言运用能力.学生应该从不同话题的答语规律、中英交际习惯差异、常用英语习语等方面认真思考,培养自己的综合语言运用能力.本题要从答语得出答案,因此上下文的联系十分重要.19.(1分)interesting book it is! I want to read it.()A.What an B.What C.How an D.How【分析】这本书真有趣!我想看.【解答】根据空格后的关键词interesting book ,可知该句是对名词的发出的感叹,故用what来引导,又知book是可数名词单数,interesting的首字母的发音为元音音素,故填入what an.故选:A.【点评】本题考查感叹句,根据该句是对名词chair发出的感叹故确定引导词为what,再根据名词为可数名词单数以及名词前形容词首字母的发音填入正确的what a.20.(1分)I don't understand ______ such a silly question in class yesterday.()A.why did John ask B.why John askedC.why is John asking D.why John asks【分析】句意:我不明白,昨天为什么约翰在课上问了这么一个愚蠢的问题.【解答】答案:B 根据I don't understand ______ 可知后面应跟一个宾语从句,宾语从句中应该用陈述语序,即主语+谓语,所以排除A,C.再根据宾语从句的时态规律,主句understand是一般现在时,从句中出现yesterday,则从句用一般过去时,故排除D.故选:B.【点评】主要考查宾语从句,在做此类题目时,应该注意宾语从句的连接词,以及宾语从句的时态和语序问题,掌握好这几点,是做好此类题目的关键.本题主要考查宾语从句的时态和语序.三、第二节完形填空(共1小题;每小题15分,满分15分)阅读下面短文,从短文后各题所给的A、B、C、D四个选项中选出能填入空白处的最佳选项,并在答题卡上将该项涂黑.21.(15分)There was once a poor woman with only one son.One day,she asked her son if there was anything he wanted.The boy said he wanted a (1)C.The mother left for the market,feeling very sad,(2)D she did not have enough money (3)A a drum.On the way home,she (4)B a piece of wood and gave(5)A to her son to play with.Later that day,the boy went outside to play.Along the road,he saw an old woman (6)C.The old woman was trying to start a fire to cook some food,(7)A she didn't have any wood.Hearing this,the boy gave her his piece of wood.The old woman gave him a piece of the bread she had made.Then,further down the road,the boy (8)A a tail's(裁缝)wife and her crying child.The boy asked her what was wrong.The woman said she had no food to her (9)B child.The boy gave the woman the piece of (10)D,and she gave him a new coat.The boy walked on.Next,the boy saw a man (11)B had no shirt.The man said he had been robbed (抢劫)on his way home.The robbers had taken all things:his moneny,his shirt (12)B his horse.The boy gave the man his new coat.The man was (13)B happy thathe gave the boy his horse.Finally,on his way home,the boy met a group of people going to a wedding.There were musicians,the bridegroom(新郎),and his family.Everyone looked worried.The bridegroom's father said,"we are waiting for a horse,if it doesn't come soon,we will be late for the wedding."The boy gave them his (14)D.The group asked the boy what they would give him,and he replied,"A drum."so the musicians gave him their drum.The boy ran home to tell his mother how he had at last gotten the drum he had wanted.His mother thought for a while then told him that helping others is helping (15)D.(1)A.coat B.bread C.drum D.horse(2)A.unless B.and C.so D.because(3)A.to buy B.buying C.buy D.bought(4)A.found out B.found C.looked for D.see(5)A.it B.them C.itself D.themselves(6)A.smile B.smiling C.crying D.to cry(7)A.but B.if C.once D.because(8)A.met B.asked C.visit D.stopped(9)A.full B.hungry C.happy D.lost(10)A.wood B.meat C.paper D.bread(11)A.whose B.who C.what D.where(12)A.besides B.except C.and D.many(13)A.such B.so C.very D.too(14)A.bread B.drum C.shirt D.horse(15)A.you B.themselves C.them D.ourselves【分析】小男孩的妈妈没有足够的钱给他买鼓,很伤心,回去的路上给男孩带了一根木头,男孩拿着木头一路做好事交易,换到了一个鼓.【解答】1.C 名词辨析.A外套;B面包;C鼓;D马;根据下文a drum可知想要个鼓,故答案是C.2.D 连词辨析.A除非;B和;C所以;D因为;根据The mother left for the market,feeling very sad,(2)she did not have enough money 感觉很伤心,后面说没有足够的钱,因果关系,故答案是D.3.A 动词辨析.A不定式;B现在分词;C原型;D过去式,根据(2)she did not have enough money 应该是没有足够的钱买鼓,不定式做目的状语,故答案是A.4.B 动词辨析.A查明,查清楚;B发现;C寻找;D看见;根据she (4)a piece of wood应该是发现一块木头,如果是see,要用过去式,故答案是B.5.A 代词辨析.A它;B它们;C它自己;D它们自己;根据上文a piece of wood 一块木头,单数形式,应该是把它给她儿子,故答案是A.6.C 动词辨析.A笑,原型;B笑,现在分词;C哭,现在分词;D哭,不定式;根据后面she didn't have any wood没有木头生火,应该是he saw an old woman看见一个女人哭,see sb do sth 表示看到某人做某事了;see sb doing sth看见某人正做某事,故答案是C.7.A 连词辨析.A但是;B如果;C曾经;D因为;根据The old woman was trying to starta fire to cook some food,(7)she didn't have any wood尝试生火做饭,后面说没有木头,转折关系,故答案是A.8.A 动词辨析.A遇见;B问;C拜访;D停止;根据the boy (8)a tail's(裁缝)wife ,结合语境,应该是遇见了一个裁缝的妻子,故答案是A.9.B 形容词辨析.A满的;B饿的;C开心的;D丢失的;根据The woman said she had no food to her 9 child,应该是没有食物给他饿的孩子,故答案是B.10.D 名词辨析.A木头;B肉;C纸;D面包;根据上文a piece of the bread 给他一片面包,这里应该是把面包给她了,故答案是D.11.B 疑问代词辨析.A谁的;B谁;C什么;D哪儿;根据the boy saw a man (11)had no shirt定语从句,修饰人,故答案是B.12.B 介词辨析.Abesides表示"除了……之外,还有……",指"在整体中加入一部分",表示递加的概念,含义是肯定的.;Bexcept 表示"从所提到的人或事物中除去,即从整体中除去一部分",表示递减的概念,含义是否定的;C和;D很多;根据he gave the boy his horse把马给了那个男孩,应该是除了马,故答案是B.13.B 形容词辨析.A如此,后面加名词;B如此,后面加形容词;C非常;D太;根据happy是形容词,应该so…that…如此…以至于…,故答案是B.14.D 名词辨析.A面包;B鼓;C衬衫;D马;根据下文A drum,可知给了他个鼓,故答案是D.15.D 代词辨析.A你;B他们自己;C他们;D我们自己;根据helping others is helping 应该是帮助别人就是帮助我们自己,故答案是D.【点评】考查完型填空.根据所给的短文对意思有所了解,然后根据短文的大体意思,选择每个符合题意的答案,使短文更通顺.四、第三部分阅读理解(共4小题;每小题1.5分,满分24分)第一节阅读理解(共4小题;每小题1.5分,满分24分)阅读下列短文,从短文后各题所给的A、B、C、D四个选项中选出最佳选项,并在答题卡上将该项涂黑.22.(6分)Josh and Amy are like many teenagers these days.They have jobs to do to help out around the home.Josh washes cars for his neighbors while Amy helps their neighbor's kids with their homework.Like many families,both of Josh and Amy's parents work outside the home.Everyone in Josh and Amy's family is busy.Their mom works in an office and often has to stay late for meetings.Their father owns his own small business and stays late to finish his work.Josh and Amy go to school.Both belong to clubs and sports teams.They also have lots of friends with whom they want to spend time.Josh and Amy's mom leaves for work at 7:00in the morning and does not get home most days until 6:30pm.The same is true for their dad,but he leaves home in the morning even earlier.Josh and Amy's parents work to be able to provide for their family.They need money to pay for their home and to pay their bills.Next year they want to buy a new car.The family also wants to go on a vacation to California.Josh and Amy need clothes,books,and other things for school.Their parents are also saving money so Josh and Amy can go to college when they finish high school.36.How many people are there in the family?DA.One.B.Two.C.Three.D.Four.37.What does the father do?BA.Work in an office.B.Run his own business.C.Plan vacations to California.D.Drive kids to school.38.What do the kids do to help their parents?AA.Take part﹣time jobs.B.Join clubs and sports teams.C.Spend time with their friends.D.Go to school early.39.Where do the parents spend most of their daytime?BA.At home.B.At workplace.C.In their kids'school.D.On business trips.40.What's the best title for this passage?DA.Lovely kidsB.Hard﹣working parentsC.Family wishesD.A busy family.【分析】Josh 和Amy 像如今的一些年轻人一样,他们有工作要做,去帮助家里.Josh 为邻居洗车,Amy帮助邻居的孩子做作业.就像一些家庭,Josh 和Amy 的父母都在外工作.Josh 和Amy 家里的每个人都很忙.他们的妈妈在一家公司工作,经常开会加班.他们的爸爸开了一家自己的公司,熬夜工作.Josh 和Amy 去上学,两个人都参加了俱乐部和运动队.他们也有很多的朋友一起玩耍.Josh 和Amy 的妈妈早上七点去上班,大多数时间直到下午六点半才回家.他的爸爸也是这样,他早上离开家的时间更早.Josh 和Amy 的父母为了他们的家庭工作.他们需要钱去养家,支付那些账单,明年他们想要买一辆新车.家人想去加利福尼亚去度假.Josh 和Amy需要衣服,书本和其他的学校用品.他们的父母还要存些钱,Josh 和Amy就能高中毕业后去上大学.【解答】36.答案:D.推理判断题.根据Everyone in Josh and Amy's family is busy.Their mom works in an office and often has to stay late for meetings.Their father owns his own small business and stays late to finish his work.Josh and Amy go to school可知加上他们的父母,一共四个人,故选D.37.答案:B.推理判断题.根据Their father owns his own small business and stays late to finish his work可知他父亲有自己的小生意,故选B.38.答案:A.推理判断题.根据They have jobs to do to help out around the home.Josh washes。

2023-2024学年四川省资阳市乐至县中考联考英语试题含答案

2023-2024学年四川省资阳市乐至县中考联考英语试题含答案

2023-2024学年四川省资阳市乐至县中考联考英语试题含答案注意事项:1.答卷前,考生务必将自己的姓名、准考证号、考场号和座位号填写在试题卷和答题卡上。

用2B铅笔将试卷类型(B)填涂在答题卡相应位置上。

将条形码粘贴在答题卡右上角"条形码粘贴处"。

2.作答选择题时,选出每小题答案后,用2B铅笔把答题卡上对应题目选项的答案信息点涂黑;如需改动,用橡皮擦干净后,再选涂其他答案。

答案不能答在试题卷上。

3.非选择题必须用黑色字迹的钢笔或签字笔作答,答案必须写在答题卡各题目指定区域内相应位置上;如需改动,先划掉原来的答案,然后再写上新答案;不准使用铅笔和涂改液。

不按以上要求作答无效。

4.考生必须保证答题卡的整洁。

考试结束后,请将本试卷和答题卡一并交回。

Ⅰ. 单项选择1、—I was just in time to get there for the meeting. Thank you for lending me the bike.—_________A.That’s right B.Of course notC.Y ou’re welcome D.The same to you2、—Can we play soccer here?—No, you____ play it near the road. That's too dangerous.A.can B.may C.needn't D.mustn't3、My mother is a teacher. She works ______ No. 5 Middle School.A.in B.to C.of D.on4、-What does your father think of your school report this term?-The smile on his face shows he is _________ what I did in my study.A.worried about B.sorry for C.angry with D.pleased with5、---Look! Who's ______ boy talking with Jack over there?---Oh, he is my cousin, Bob. He is _____ honest boy.A.a; the B.the; an C.the; a D.a; an6、The mobile phone has influenced people’s life a lot since it _________.A.invents B.inventedC.is invented D.was invented7、Sally used to be ,but now she enjoys meeting and talking to new friends.A.honest B.shy C.creative D.lively8、—Must we leave the reading room before 6 o’clock?— No, you . You can stay here until 6:30.A.can’t B.needn’t C.mustn’t D.shouldn’t9、Father's Day is coming. I want to buy a fine tie for my father, but is fit for him in the shops nearby.A.no one B.nothing C.none D.neither10、Don't watch short videos on KuaiShou (快手)APP all the day, it is funny but _______ all your valuable time. Don't you know that the final exams are drawing near(临近)?A.takes after B.takes down C.takes off D.takes upⅡ. 完形填空11、Our English teacher was like a friend to us, and we all liked her. One day she came into the classroom and shouted, “Who 1 this window?” She held up a piece of broken glass and asked. She seldom became angry, but this time she was.I did this. I threw a baseball and then it happened. I didn’t want to say it was me because I didn’t have enough money and my father would be 2 with me. But later something strong in my heart suddenly made me stand up. “I did it,” I sai d 3 . How difficult it was for me to say that! My teacher took a book from the book shelves and then walked to my desk. I was afraid that she was going to punish (惩罚) me.“I know you like collecting stamps very much,” she said, looking down at my face. “Here is a book about it that you are looking for. Now, the book is yours and I shall not punish you. Remember, it’s because you told the 4 ” I couldn’t believe it! I didn’t 5 to pay for the window. And I got my favourite book.I haven’t seen my teacher for many years, but I will never forget the 6 I learned on that day. 1.A.cleaned B.climbed C.broke D.fixed2.A.pleased B.excited C.frightened D.angry3.A.terribly B.honestly C.easily D.hardly4.A.story B.lie C.truth D.time5.A.love B.want C.use D.need6.A.book B.toy C.lesson D.helpⅢ. 语法填空12、Which do you prefer to use when you are studying, iPads 1.books? Here is a survey about it. Some students think that iPads are2.(good). iPads can give them more choices. They can search for information in an iPad easily instead of 3.(look) everything up in different books. At the same time, students can send pictures directly to a printer to photocopy4.(they). And homework will not be5.(forget)easily because teachers can send all the homework to their iPads. With 6.iPads, they can do all their work in them. But 7.(other) think that books are more8.(help) for learning. 9., reading books won’t hurt eyes. Second, what they read in books can leave a deeper impression on them. What’s more, some students usually use iPads to play games at school, which is bad 10.their study. So they prefer to use books.Ⅳ. 阅读理解A13、Like reading?Want an interesting book to read?Here are our books. Just pick the one that you like best.The Best of the Song Books: By Harlan CobenList Price: $28.00 Price: $21.00 You save: $7.00 (25%)Customer (顾客) Review: ★★★Bookmarks by Phillips: Magazine by Patricia CornwellList Price: $24.00 Price: $18.00 You save: $6.00 (25%)Customer Review: ★★★The Mystery of Breathing: A novel by Peril KlausList Price: $15.00 Price: $12.00 You save: $ 3.00 (20%)Customer Review: ★★★Ten Little Fingers: Books for babies by Annie KebleList Price: $25.00 Price: $15.00 You save: $10.00 (40%)Customer Review: ★★★★★For further information, please click here: www. book .... . com.1.Which book is the most popular one, according to customer reviews?A.Ten Little Fingers B.Bookmarks by PhillipsC.The Mystery of Breathing D.The Best of the Song Books2.You read this advertisement most probablyA.in a novel B.in a magazineC.on the internet D.in a newspaper3.Which of the following books helps you save the least money?A.Ten Little Fingers B.Bookmarks by PhillipsC.The Mystery of Breathing D.The Best of Song Books4.If you buy every one of the four books, how much would you spend?A.$92.00 B.$66.00C.$26.00 D.$110.00B14、“Yangzhou is wonderful! The teahouse is a popular place for local people to treat their important visitors…”This poem of the Qing Dynasty describes the comfortable life of living in Yangzhou. In Yangzhou, various snacks and refreshments(茶点) make each morning a pleasant one.For many years, Y angzhou snacks and refreshments have been well known for their great variety with different fillings and elegant shape. By the Ming and Qing Dynasties, Yangzhou city was praised as “a place whose pastry(糕点) shops were the finest under heaven”. Listening to A Hundred Tunes while Enjoying the View of Jiangnan talks of Huaiyang snacks, “Huaiyang snacks and refreshments are known for a perfect mixture of freshness and sweetness. Huaiyang snacks in Yangzhou won high praise from both at home and abroad.Among the famous masters making Huaiyang snacks and desserts during the middle of the Qing Dynasty, the mostcelebrated was Beauty Shaw in Yizheng country. The snacks she made were said to be as valuable as gold. Yuan Mei, a famous Qing-dynasty writer , wrote in his book The Menu of Sui Garden: “Outside the south gate of Yizheng country lives Beauty Shaw, who is an expert in making snacks and desserts.” She is also regarded as one of the top ten masters of ancient China. Yin Changshan, Zhang Guangqing, Dong De’an, Chen Ende and many others are reputed as modern masters. Take Chen Ende for example. He mixed his idea with the traditional cooking skills and recreated the snacks in the Red Mansion Banquet style, which is designed to present the theme and background of A Dream of the Red Mansions(红楼梦).These masters have been abroad many times to show their skills in making Huaiyang-style pastry. With their efforts, Huaiyang-style pastry has become popular at high speed and is showing its charm to the world. The pastry of Fuchun Teahouse is the most outstanding one.1.This passage is most probably taken from .A.children’s magazineB.a personal diaryC.a short-story collectionD.an introduction to tourist attractions2.What does the underlined word “celebrated” mean in Paragraph 3?A.beautiful B.well-knownC.important D.serious3.Which of the statements is true according to the passage?2-1-c-n-j-yA.Y angzhou snacks were famous for their great variety and elegant shapeB.Huaiyang snacks in Yangzhou won high praise only from China.C.Beauty Shaw is considered as one of the top ten masters of modern China.D.These masters have been abroad to show their skills to earn much money.4.After the last paragraph, what is the writer likely to talk about next?A.A Dream of the Red MansionsB.Chen Ende’s cooking skillC.Fuchun TeahouseD.Other masters one by one.C15、Do you think you're green? You're a totally modern citizen, aren't you? You keep your bottles and take them to the bottle bank. You have a black bin and a green bin, one for general waste and one for recyclable waste. Your car uses lead—free petrol. You use the same plastic bag every time you go to the supermarket. Maybe you even cycle to workfrom time to time. You are playing your part; you are green and environment-friendly. Well, I've got news for you:YOU ARE NOT DOING ENOUGH!If you don't believe me, look at these facts. Trust me, they're from a BBC website.• On average every person in the UK throws away their own body weig ht in rubbish every seven weeks.• Every year, the average dustbin contains enough unused energy for 500 hot baths, 3,500 hot showers or 5,000 hours of television.• Every UK household produces over one tonne of rubbish every year.• If all the aluminium d rink cans sold in the UK were recycled, there would be 14 million fewer full dustbins per year. • Just one recycled aluminium can saves enough energy to run a television for three hours!• At Christmas over 83 square kilometres of wrapping paper is thrown in the bin.• Almost three billion nappies (used for baby) are thrown away in the UK every year. 90% of these are buried and take hundreds of years to disappear.Have I made you believe that you need to do more? No? OK, here are one or two more facts.•Rec ycling just one plastic bottle saves enough energy to power a light bulb for six hours.•Collecting dustbins and cleaning street s costs £1. 6 billion per year.Surely you must believe me now. You need to do more. The good news is that there is some- thing else you can do. 1.How many ways are mentioned for being green in the first paragraph?A.Three. B.Four. C.Five. D.Six.2.Which of the following is True according to the passage?A.People in the UK throw away rubbish every seven weeks.B.Over one tonne of rubbish is produced by one family every year.C.All the drink cans in the UK were recycled to run television.D.90% of nappies are buried in the UK and disappear soon.3.What's the passage mainly about?A.Behavior of being green. B.Ways to live recyclably.C.Energy produced from rubbish. D.Facts of not being green enough.4.What does the writer want to tell us?A.To pay more for recycling. B.To do more to be green.C.To save enough energy. D.To throw away less rubbish.D16、阅读理解。

四川省资阳市乐至县2016年中考数学一模试卷(解析版)

四川省资阳市乐至县2016年中考数学一模试卷(解析版)一、选择题(每小题3分,共30分)1.4的算术平方根是()A.±2 B.±C.D.22.正在建设的成都第二绕城高速全长超过220公里,串起我市二、三圈层以及周边的广汉、简阳等地,总投资达到290亿元.用科学记数法表示290亿元应为()A.290×108元B.290×109元C.2.90×1010元D.2.90×1011元3.甲、乙、丙、丁四人进行射箭测试,每人10次射箭成绩的平均数都是8.9环,方差分别是S甲2=0.65,S乙2=0.55,S丙2=0.50,S丁2=0.45,则射箭成绩最稳定的是()A.甲B.乙C.丙D.丁4.下列计算正确的是()下列计算正确的是()A.x+x2=x3B.2x+3x=5x C.(x2)3=x5D.x6÷x3=x25.不等式组:的解集在数轴上表示为()A.B.C.D.6.关于x的方程x2+2kx+k﹣1=0的根的情况描述正确的是()A.k为任何实数,方程都没有实数根B.k为任何实数,方程都有两个不相等的实数根C.k为任何实数,方程都有两个相等的实数根D.根据k的取值不同,方程根的情况分为没有实数根、有两个不相等的实数根和有两个相等的实数根三种7.如图,是某几何体的三视图及相关数据,则下面判断正确的是()A.a>c B.b>c C.a2+4b2=c2 D.a2+b2=c28.下列说法中:①一个角的两边分别垂直于另一个角的两边,则这两个角相等;②数据5,2,7,1,2,4的中位数是3,众数是2;③平行四边形既是中心对称图形,又是轴对称图形;④命题“若x=1,则x2=1”的逆命题是真命题;⑤已知两圆的半径长是方程x2﹣10x+24=0的两个根,且两圆的圆心距为8,则两圆相交.正确的说法有()个.A.2个B.3个C.4个D.5个9.如图,在平面直角坐标系中,四边形OABC是菱形,点C的坐标为(4,0),∠AOC=60°,垂直于x轴的直线l从y轴出发,沿x轴正方向以每秒1个单位长度的速度向右平移,设直线l与菱形OABC的两边分别交于点M,N(点M在点N的上方),若△OMN的面积为S,直线l的运动时间为t 秒(0≤t≤4),则能大致反映S与t的函数关系的图象是()A.B.C.D.10.已知二次函数y=ax2+bx+c(a≠0)的图象如图所示,有下列6个结论:①abc>0;②b <a+c;③4a+2b+c>0;④2c<3b;⑤b2﹣4ac<0;⑥a+b>m(am+b),(m≠1的实数)其中正确的结论有()个.A.2个B.3个C.4个D.5 个二、填空题(每小题3分,共18分)11.分解因式:x3﹣9x=.12.如图,在△ABC中,AB=AC,∠A=36°,AB的垂直平分线交AC于点E,垂足为点D,连接BE,则∠EBC的度数为.13.在资阳市团委发起的“暖冬行动”中,某班50名同学响应号召,纷纷捐出零花钱.若不同捐款金额的捐款人数百分比统计结果如图所示,则该班同学平均每人捐款元.14.如图,有一圆心角为120°,半径长为6cm的扇形,若将OA、OB重合后围成一圆锥侧面,那么圆锥的高是cm.15.如图,正方形ABCD中,AB=6,点E在边CD上,且CD=3DE.将△ADE沿AE对折至△AFE,延长EF交边BC于点G,连接AG、CF.下列结论:①△ABG≌△AFG;②BG=GC;③AG∥CF;④S△FGC=3.其中正确结论的是.16.如图,P1、P2、P3…P n(n为正整数)分别是反比例函数y=(k>0)在第一象限图象上的点,A1、A2、A3…A n分别为x轴上的点,且△P1OA1、△P2A1A2、△P3A2A3…△P n A n﹣1A n均为等边三角形.若点A1的坐标为(2,0),则点A2的坐标为,点A n 的坐标为.三、解答及证明(本大题共8小题,共72分)17.先化简,再求值:,其中.18.两人要去某风景区游玩,每天某一时段开往该风景区有三辆汽车(票价相同),但是他们不知道这些车的舒适程度,也不知道汽车开过来的顺序.两人采用了不同的乘车方案:甲无论如何总是上开来的第一辆车.而乙则是先观察后上车,当第一辆车开来时,他不上车,而是仔细观察车的舒适状况.如果第二辆车的状况比第一辆好,他就上第二辆车;如果第二辆不比第一辆好,他就上第三辆车.如果把这三辆车的舒适程度分为上、中、下三等,请尝试着解决下面的问题:(1)三辆车按出现的先后顺序共有哪几种不同的可能?(2)你认为甲、乙两人采用的方案,哪一种方案使自己乘坐上等车的可能性大,为什么?19.如图,已知一次函数y=kx+b的图象与反比例函数的图象交于A,B两点,且点A的横坐标和点B的纵坐标都是﹣2,求:(1)一次函数的解析式;(2)△AOB的面积;(3)直接写出一次函数的函数值大于反比例函数的函数值时x的取值范围.20.如图,在△ABC中,BA=BC,以AB为直径作半圆⊙O,交AC于点D,过点D作DE ⊥BC,垂足为点E.(1)求证:DE为⊙O的切线;(2)求证:BD2=ABBE.21.新星小学门口有一直线马路,为方便学生过马路,交警在路口设有一定宽度的斑马线,斑马线的宽度为4米,为安全起见,规定车头距斑马线后端的水平距离不得低于2米,现有一旅游车在路口遇红灯刹车停下,汽车里司机与斑马线前后两端的视角分别为∠FAE=15°和∠FAD=30°,司机距车头的水平距离为0.8米,试问该旅游车停车是否符合上述安全标准?(E、D、C、B四点在平行于斑马线的同一直线上)参考数据:tan15°=2﹣,sin15°=,cos15°=,≈1.732,≈1.414.22.某航模制造厂开发了一款带有发动机的新式航模,计划一年生产安装240艘.由于抽调不出足够的熟练工来完成新式航模的安装,工厂决定招聘一些新工人;他们经过培训后上岗,也能独立进行航模的安装.生产开始后,调研部门发现:1名熟练工和2名新工人每月可安装8艘航模;2名熟练工和3名新工人每月可安装14艘航模.(1)每名熟练工和新工人每月分别可以安装多少艘航模?(2)如果工厂招聘n(0<n<10)名新工人,使得招聘的新工人和抽调的熟练工刚好能完成一年的安装任务,那么工厂有哪几种新工人的招聘方案?(3)在(2)的条件下,工厂给安装航模的每名熟练工每月发2000元的工资,给每名新工人每月发1200元的工资,那么工厂应招聘多少名新工人,使新工人的数量多于熟练工,同时工厂每月支出的工资总额W(元)尽可能的少?23.如图(1),在矩形ABCD中,把∠B、∠D分别翻折,使点B、D恰好落在对角线AC 上的点E、F处,折痕分别为CM、AN,(1)求证:△ADN≌△CBM;(2)请连接MF、NE,证明四边形MFNE是平行四边形;四边形MFNE是菱形吗?请说明理由;(3)点P、Q是矩形的边CD、AB上的两点,连接PQ、CQ、MN,如图(2)所示,若PQ=CQ,PQ∥MN,且AB=4cm,BC=3cm,求PC的长度.24.如图,已知抛物线的方程C1:y=﹣(x+2)(x﹣m)(m>0)与x轴相交于点B、C,与y轴相交于点E,且点B在点C的左侧.(1)若抛物线C1过点M(2,2),求实数m的值;(2)在(1)的条件下,求△BCE的面积;(3)在(1)条件下,在抛物线的对称轴上找一点H,使BH+EH最小,并求出点H的坐标;(4)在第四象限内,抛物线C1上是否存在点F,使得以点B、C、F为顶点的三角形与△BCE相似?若存在,求m的值;若不存在,请说明理由.2016年四川省资阳市乐至县中考数学一模试卷参考答案与试题解析一、选择题(每小题3分,共30分)1.4的算术平方根是()A.±2 B.±C.D.2【分析】本题是求4的算术平方根,应看哪个正数的平方等于4,由此即可解决问题.【解答】解:∵=2,∴4的算术平方根是2.故选:D.【点评】此题主要考查了算术平方根的运算.一个数的算术平方根应该是非负数.2.正在建设的成都第二绕城高速全长超过220公里,串起我市二、三圈层以及周边的广汉、简阳等地,总投资达到290亿元.用科学记数法表示290亿元应为()A.290×108元B.290×109元C.2.90×1010元D.2.90×1011元【分析】科学记数法的表示形式为a×10n的形式,其中1≤|a|<10,n为整数.确定n的值时,要看把原数变成a时,小数点移动了多少位,n的绝对值与小数点移动的位数相同.当原数绝对值>1时,n是正数;当原数的绝对值<1时,n是负数.【解答】解:290亿=290 0000 0000=2.90×1010,故选:C.【点评】此题考查科学记数法的表示方法.科学记数法的表示形式为a×10n的形式,其中1≤|a|<10,n为整数,表示时关键要正确确定a的值以及n的值.3.甲、乙、丙、丁四人进行射箭测试,每人10次射箭成绩的平均数都是8.9环,方差分别是S甲2=0.65,S乙2=0.55,S丙2=0.50,S丁2=0.45,则射箭成绩最稳定的是()A.甲B.乙C.丙D.丁【分析】根据方差的意义先比较出甲、乙、丙、丁四人谁的方差最小,则谁的成绩最稳定.【解答】解:∵=0.65,=0.55,=0.50,=0.45,丁的方差最小,∴射箭成绩最稳定的是:丁.故选D.【点评】此题考查了方差的意义,方差是用来衡量一组数据波动大小的量,方差越大,表明这组数据偏离平均数越大,即波动越大,数据越不稳定;反之,方差越小,表明这组数据分布比较集中,各数据偏离平均数越小,即波动越小,数据越稳定.在解题时要能根据方差的意义和本题的实际,得出正确结论是本题的关键.4.下列计算正确的是()A.x+x2=x3B.2x+3x=5x C.(x2)3=x5D.x6÷x3=x2【分析】根据同底数幂的乘法,可判断A,根据合并同类项,可判断B,根据幂的乘方,可判断C,根据同底数幂的除法,可判断D.【解答】解:A、不是同底数幂的乘法,指数不能相加,故A错误;B、系数相加字母部分不变,故B正确;C、底数不变指数相乘,故C错误;D、底数不变指数相减,故D错误;故选:B.【点评】本题考查了幂的运算,根据法则计算是解题关键.5.不等式组:的解集在数轴上表示为()A.B.C.D.【分析】先解不等式组中的每一个不等式,再把不等式的解集表示在数轴上,即可.【解答】解:解不等式组得,再分别表示在数轴上为.故选C.【点评】此题主要考查不等式组的解法及在数轴上表示不等式组的解集.不等式组的解集在数轴上表示的方法:把每个不等式的解集在数轴上表示出来(>,≥向右画;<,≤向左画),数轴上的点把数轴分成若干段,如果数轴的某一段上面表示解集的线的条数与不等式的个数一样,那么这段就是不等式组的解集.有几个就要几个.在表示解集时“≥”,“≤”要用实心圆点表示;“<”,“>”要用空心圆点表示.6.关于x的方程x2+2kx+k﹣1=0的根的情况描述正确的是()A.k为任何实数,方程都没有实数根B.k为任何实数,方程都有两个不相等的实数根C.k为任何实数,方程都有两个相等的实数根D.根据k的取值不同,方程根的情况分为没有实数根、有两个不相等的实数根和有两个相等的实数根三种【分析】先计算判别式的值得到△=(2k﹣1)2+3,根据非负数的性质得△>0,然后根据判别式的意义进行判断.【解答】解:△=4k2﹣4(k﹣1)=(2k﹣1)2+3,∵(2k﹣1)2≥0,∴(2k﹣1)2+3>0,即△>0,∴k为任何实数,方程都有两个不相等的实数根.故选B.【点评】本题考查了一元二次方程ax2+bx+c=0(a≠0)的根的判别式△=b2﹣4ac:当△>0,方程有两个不相等的实数根;当△=0,方程有两个相等的实数根;当△<0,方程没有实数根.7.如图,是某几何体的三视图及相关数据,则下面判断正确的是()A.a>c B.b>c C.a2+4b2=c2 D.a2+b2=c2【分析】由三视图知道这个几何体是圆锥,圆锥的高是a,母线长是c,底面圆的半径是b,刚好组成一个以c为斜边的直角三角形.【解答】解:根据勾股定理,a2+b2=c2.故选:D.【点评】本题由物体的三种视图推出原来几何体的形状,考查了圆锥的高,母线和底面半径的关系.8.下列说法中:①一个角的两边分别垂直于另一个角的两边,则这两个角相等;②数据5,2,7,1,2,4的中位数是3,众数是2;③平行四边形既是中心对称图形,又是轴对称图形;④命题“若x=1,则x2=1”的逆命题是真命题;⑤已知两圆的半径长是方程x2﹣10x+24=0的两个根,且两圆的圆心距为8,则两圆相交.正确的说法有()个.A.2个B.3个C.4个D.5个【分析】①根据一个角的两边分别垂直于另一个角的两边,则这两个角相等或互补;得出①错误;②根据中位数和众数的定义得出②正确;③与平行四边形的性质得出③错误;④命题“若x=1,则x2=1”的逆命题是:若x2=1,则x=1;假命题;④错误;⑤求出两圆的半径和>圆心距,得出两圆相交,⑤正确;即可得出结论.【解答】解:①一个角的两边分别垂直于另一个角的两边,则这两个角相等或互补;∴①错误;②数据5,2,7,1,2,4的中位数是3,众数是2;正确;③平行四边形是中心对称图形,不是轴对称图形,∴③错误;④命题“若x=1,则x2=1”的逆命题是:若x2=1,则x=1;假命题;∴④错误⑤∵两圆的半径长是方程x2﹣10x+24=0的两个根,且两圆的圆心距为8,∴两圆的半径和=10>圆心距8,∴两圆相交,④正确;正确的说法有2个,故选:A.【点评】本题考查了命题、中位数、众数的定义、平行四边形的性质、圆和圆的位置关系的判定方法等知识;属于基础题目,范围较广.9.如图,在平面直角坐标系中,四边形OABC是菱形,点C的坐标为(4,0),∠AOC=60°,垂直于x轴的直线l从y轴出发,沿x轴正方向以每秒1个单位长度的速度向右平移,设直线l与菱形OABC的两边分别交于点M,N(点M在点N的上方),若△OMN的面积为S,直线l的运动时间为t 秒(0≤t≤4),则能大致反映S与t的函数关系的图象是()A.B.C.D.【分析】过A作AD⊥x轴于D,根据勾股定理和含30度角的直角三角形的性质求出AD,根据三角形的面积即可求出答案.【解答】解:过A作AD⊥x轴于D,∵OA=OC=4,∠AOC=60°,∴OD=2,由勾股定理得:AD=2,①当0≤t<2时,如图所示,ON=t,MN=ON=t,S=ONMN=t2;②2≤t≤4时,ON=t,MN=2,S=ON2=t.故选:C.【点评】本题主要考查对动点问题的函数图象,勾股定理,三角形的面积,二次函数的图象,正比例函数的图象,含30度角的直角三角形的性质,菱形的性质等知识点的理解和掌握,能根据这些性质进行计算是解此题的关键,用的数学思想是分类讨论思想.10.已知二次函数y=ax2+bx+c(a≠0)的图象如图所示,有下列6个结论:①abc>0;②b <a+c;③4a+2b+c>0;④2c<3b;⑤b2﹣4ac<0;⑥a+b>m(am+b),(m≠1的实数)其中正确的结论有()个.A.2个B.3个C.4个D.5 个【分析】由抛物线的开口方向判断a与0的关系,由抛物线与y轴的交点判断c与0的关系,然后根据对称轴及抛物线与x轴交点情况进行推理,进而对所得结论进行判断.【解答】解:①∵该抛物线开口方向向下,∴a<0.∵抛物线对称轴方程x=﹣>0,∴<0,∴a、b异号,∴b>0;∵抛物线与y轴交与正半轴,∴c>0,∴abc<0;故①错误;②∵当x=﹣1时,y<0,∴a﹣b+c<0,∴b>a+c,故②错误;③根据抛物线的对称性知,当x=2时,y>0,即4a+2b+c>0;故③正确;∵对称轴方程x=﹣=1,∴b=﹣2a,∴=﹣a,④根据抛物线的对称性知,当x=3时,y<0,即9a+3b+c<0,∴9a+3b+c=﹣b+c<0,∴2c<3b.故④正确;⑤∵抛物线与x轴有两个不同的交点,∴b2﹣4ac>0.故⑤错误;⑥x=m对应的函数值为y=am2+bm+c,x=1对应的函数值为y=a+b+c,又x=1时函数取得最大值,∴a+b+c>am2+bm+c,即a+b>am2+bm=m(am+b),故⑥正确.综上所述,正确的有3个.故选B.【点评】主要考查图象与二次函数系数之间的关系,会利用对称轴的范围求2a与b的关系,以及二次函数与方程之间的转换,根的判别式的熟练运用.二、填空题(每小题3分,共18分)11.分解因式:x3﹣9x=x(x+3)(x﹣3).【分析】根据提取公因式、平方差公式,可分解因式.【解答】解:原式=x(x2﹣9)=x(x+3)(x﹣3),故答案为:x(x+3)(x﹣3).【点评】本题考查了因式分解,利用了提公因式法与平方差公式,注意分解要彻底.12.如图,在△ABC中,AB=AC,∠A=36°,AB的垂直平分线交AC于点E,垂足为点D,连接BE,则∠EBC的度数为36°.【分析】根据等腰三角形两底角相等求出∠ABC,再根据线段垂直平分线上的点到线段两端点的距离相等可得AE=BE,然后求出∠ABE,最后根据∠EBC=∠ABC﹣∠ABE代入数据进行计算即可得解.【解答】解:∵AB=AC,∠A=36°,∴∠ABC=(180°﹣∠A)=×(180°﹣36°)=72°,∵DE是AB的垂直平分线,∴AE=BE,∴∠ABE=∠A=36°,∴∠EBC=∠ABC﹣∠ABE=72°﹣36°=36°.故答案为:36°.【点评】本题考查了线段垂直平分线上的点到线段两端点的距离相等的性质,等腰三角形的两底角相等的性质,是基础题,熟记性质是解题的关键.13.在资阳市团委发起的“暖冬行动”中,某班50名同学响应号召,纷纷捐出零花钱.若不同捐款金额的捐款人数百分比统计结果如图所示,则该班同学平均每人捐款14元.【分析】根据扇形统计图的定义,各部分占总体的百分比之和为1,用捐的具体钱数乘以所占的百分比,再相加,即可得该班同学平均每人捐款数.【解答】解:该班同学平均每人捐款:10×30%+20×20%+50×10%+5×40%=14元.故答案为14.【点评】本题主要考查扇形统计图.统计的思想就是用样本的信息来估计总体的信息,本题体现了统计思想,考查了用样本估计总体.14.如图,有一圆心角为120°,半径长为6cm的扇形,若将OA、OB重合后围成一圆锥侧面,那么圆锥的高是4cm.【分析】本题已知扇形的圆心角及半径就是已知圆锥的底面周长,能求出底面半径,而底面半径、圆锥的高、母线长即扇形半径构成直角三角形,所以可利用勾股定理解决.【解答】解:∵有一圆心角为120°,半径长为6cm的扇形,若将OA、OB重合后围成一圆锥侧面,∴扇形的弧长为=4π,即圆锥的底面圆周长为4π,∴底面圆半径为2,∵OA=6,∴圆锥的高是:=4.故答案为4.【点评】本题主要考查了圆锥的侧面与扇形的关系,扇形的弧长等于圆锥底面周长,圆锥母线长等于扇形半径长.15.如图,正方形ABCD中,AB=6,点E在边CD上,且CD=3DE.将△ADE沿AE对折至△AFE,延长EF交边BC于点G,连接AG、CF.下列结论:①△ABG≌△AFG;②BG=GC;③AG∥CF;④S△FGC=3.其中正确结论的是①②③.【分析】根据翻折变换的性质和正方形的性质可证△ABG≌△AFG;在直角△ECG中,根据勾股定理可证BG=GC;通过证明∠AGB=∠AGF=∠GFC=∠GCF,由平行线的判定可得AG∥CF;由于S△FGC=S△GCE﹣S△FEC,求得面积比较即可.【解答】解:①正确.因为AB=AD=AF,AG=AG,∠B=∠AFG=90°,∴△ABG≌△AFG;②正确.因为:EF=DE=CD=2,设BG=FG=x,则CG=6﹣x.在直角△ECG中,根据勾股定理,得(6﹣x)2+42=(x+2)2,解得x=3.所以BG=3=6﹣3=GC;③正确.因为CG=BG=GF,所以△FGC是等腰三角形,∠GFC=∠GCF.又∠AGB=∠AGF,∠AGB+∠AGF=180°﹣∠FGC=∠GFC+∠GCF,∴∠AGB=∠AGF=∠GFC=∠GCF,∴AG∥CF;④错误.过F作FH⊥DC,∵BC⊥DH,∴FH∥GC,∴△EFH∽△EGC,∴=,EF=DE=2,GF=3,∴EG=5,∴△EFH∽△EGC,∴相似比为:==,∴S△FGC=S△GCE﹣S△FEC=×3×4﹣×4×(×3)=≠3.故答案为:①②③.【点评】本题考查了翻折变换的性质和正方形的性质,全等三角形的判定与性质,勾股定理,平行线的判定,三角形的面积计算等知识.此题综合性较强,难度较大,解题的关键是注意数形结合思想与方程思想的应用.16.如图,P1、P2、P3…P n(n为正整数)分别是反比例函数y=(k>0)在第一象限图象上的点,A1、A2、A3…A n分别为x轴上的点,且△P1OA1、△P2A1A2、△P3A2A3…△P n A n﹣1A n均为等边三角形.若点A1的坐标为(2,0),则点A2的坐标为(2,0),点A n的坐标为(2,0).【分析】作P1B⊥x轴于B,P2C⊥x轴于C,P3D⊥x轴于D,由于△P1OA1为等边三角形,根据等边三角形的性质得OB=1,P1B=OB=,则P1的坐标为(1,),再根据反比例函数图象上点的坐标特征得k=;设A1C=t,由于△P2A1A2为等边三角形,则P2C=A1C=t,所以P2点的坐标表示为(t+2,t),根据反比例函数图象上点的坐标特征得(t+2)t=,解得t=﹣1或t=﹣﹣1(舍去),则A1A2=2t=2﹣2,可得A2点的坐标为(2,0),同理得到A3点的坐标为(2,0),由此规律得A n点的坐标为(2,0).【解答】解:作P1B⊥x轴于B,P2C⊥x轴于C,P3D⊥x轴于D,如图,∵△P1OA1为等边三角形,A1(2,0),∴OB=1,P1B=OB=,∴P1的坐标为(1,),∴k=1×=,设A1C=t,∵△P2A1A2为等边三角形,∴P2C=A1C=t,∴P2点的坐标为(t+2,t),∴(t+2)t=,解得t=﹣1或t=﹣﹣1(舍去),∴A1A2=2t=2﹣2,∴OA2=2,∴A2点的坐标为(2,0),同理得到A3点的坐标为(2,0),∴A n点的坐标为(2,0).故答案为(2,0),(2,0).【点评】本题考查了反比例函数图象上点的坐标特征:反比例函数y=(k为常数,k≠0)的图象是双曲线;图象上的点(x,y)的横纵坐标的积是定值k,即xy=k.也考查了等边三角形的性质.三、解答及证明(本大题共8小题,共72分)17.先化简,再求值:,其中.【分析】先算除法,再算乘法.将分式因式分解后约分,然后进行通分,最后代入数值计算.【解答】解:原式=﹣×=+=+==.当x=时,原式==.【点评】本题考查了分式的化简求值,熟悉因式分解及分式的除法是解题的关键.18.两人要去某风景区游玩,每天某一时段开往该风景区有三辆汽车(票价相同),但是他们不知道这些车的舒适程度,也不知道汽车开过来的顺序.两人采用了不同的乘车方案:甲无论如何总是上开来的第一辆车.而乙则是先观察后上车,当第一辆车开来时,他不上车,而是仔细观察车的舒适状况.如果第二辆车的状况比第一辆好,他就上第二辆车;如果第二辆不比第一辆好,他就上第三辆车.如果把这三辆车的舒适程度分为上、中、下三等,请尝试着解决下面的问题:(1)三辆车按出现的先后顺序共有哪几种不同的可能?(2)你认为甲、乙两人采用的方案,哪一种方案使自己乘坐上等车的可能性大,为什么?【分析】(1)根据可能性大小的方法,找准两点:1、符合条件的情况数目;2、全部情况的总数;二者的比值就是可能性发生的大小;(2)比较两个概率即可.【解答】解:(1)三辆车开来的先后顺序有6种可能:(上、中、下)、(上、下、中)、(中、上、下)、(中、下、上)、(下、中、上)、(下、上、中);(6分)(2)由于不知道任何信息,所以只能假定6种顺序出现的可能性相同.我们来研究在各种可能性的顺序之下,甲、乙二人分别会上哪一辆汽车:(10分)于是不难得出,甲乘上、中、下三辆车的概率都是;而乙乘上等车的概率是.∴乙采取的方案乘坐上等车的可能性大.(14分)【点评】用到的知识点为:概率=所求情况数与总情况数之比.19.如图,已知一次函数y=kx+b的图象与反比例函数的图象交于A,B两点,且点A的横坐标和点B的纵坐标都是﹣2,求:(1)一次函数的解析式;(2)△AOB的面积;(3)直接写出一次函数的函数值大于反比例函数的函数值时x的取值范围.【分析】(1)把点A(﹣2,4),B(4,﹣2)代入一次函数y=kx+b即可求出k及b的值;(2)先求出C点的坐标,根据S△AOB=S△AOC+S△BOC即可求解;(3)由图象即可得出答案;【解答】解:(1)由题意A(﹣2,4),B(4,﹣2),∵一次函数过A、B两点,∴,解得,∴一次函数的解析式为y=﹣x+2;(2)设直线AB与y轴交于C,则C(0,2),∵S△AOC=×OC×,S△BOC=×OC×,∴S△AOB=S△AOC+S△BOC===6;(3)由图象可知:一次函数的函数值大于反比例函数的函数值时x的取值范围是x<﹣2或0<x<4.【点评】本题考查了反比例函数与一次函数的交点问题,属于基础题,关键是掌握用待定系数法求解函数解析式.20.如图,在△ABC中,BA=BC,以AB为直径作半圆⊙O,交AC于点D,过点D作DE ⊥BC,垂足为点E.(1)求证:DE为⊙O的切线;(2)求证:BD2=ABBE.【分析】(1)连接OD、BD,根据圆周角定理可得∠ADB=90°,继而得出点D是AC中点,判断出OD是三角形ABC的中位线,利用中位线的性质得出∠ODE=90°,这样可判断出结论.(2)根据题意可判断△BED∽△BDC,从而可得BD2=BCBE,将BC替换成AB即可得出结论.【解答】证明:(1)连接OD、BD,则∠ADB=90°(圆周角定理),∵BA=BC,∴CD=AD(三线合一),又∵AO=OB,∴OD是△ABC的中位线,∴OD∥BC,∵∠DEB=90°,∴∠ODE=90°,即OD⊥DE,故可得DE为⊙O的切线;(2)∵∠EBD=∠DBC,∠DEB=∠CDB,∴△BED∽△BDC,∴=,又∵AB=BC,∴=,故BD2=ABBE.【点评】此题考查了切线的判定及性质、三角形的中位线的判定与性质等腰三角形的性质,解答本题的关键是得出点D是AC中点,求出∠ODE是直角,有一定难度.21.新星小学门口有一直线马路,为方便学生过马路,交警在路口设有一定宽度的斑马线,斑马线的宽度为4米,为安全起见,规定车头距斑马线后端的水平距离不得低于2米,现有一旅游车在路口遇红灯刹车停下,汽车里司机与斑马线前后两端的视角分别为∠FAE=15°和∠FAD=30°,司机距车头的水平距离为0.8米,试问该旅游车停车是否符合上述安全标准?(E、D、C、B四点在平行于斑马线的同一直线上)参考数据:tan15°=2﹣,sin15°=,cos15°=,≈1.732,≈1.414.【分析】由∠FAE=15°,∠FAD=30°可知∠EAD=15°,根据AF∥BE可知∠AED=∠FAE=15°,∠ADB=∠FAD=30°,设AB=x,则在Rt△AEB中,EB=,在Rt△ADB中,BD=,再把两式联立即可求出CD的值.【解答】解:∵∠FAE=15°,∠FAD=30°,∴∠EAD=15°,∵AF∥BE,∴∠AED=∠FAE=15°,∠ADB=∠FAD=30°,设AB=x,则在Rt△AEB中,EB==,∵ED=4,ED+BD=EB,∴BD=﹣4,在Rt△ADB中,BD==,∴﹣4=,即(﹣)x=4,解得x=2,∴BD==2,∵BD=CD+BC=CD+0.8,∴CD=2﹣0.8≈2×1.732﹣0.8≈2.7>2,故符合标准.答:该旅游车停车符合规定的安全标准.【点评】本题考查的是解直角三角形的应用,根据题意找出符合条件的直角三角形,利用直角三角形的性质进行解答是解答此题的关键.22.某航模制造厂开发了一款带有发动机的新式航模,计划一年生产安装240艘.由于抽调不出足够的熟练工来完成新式航模的安装,工厂决定招聘一些新工人;他们经过培训后上岗,也能独立进行航模的安装.生产开始后,调研部门发现:1名熟练工和2名新工人每月可安装8艘航模;2名熟练工和3名新工人每月可安装14艘航模.(1)每名熟练工和新工人每月分别可以安装多少艘航模?(2)如果工厂招聘n(0<n<10)名新工人,使得招聘的新工人和抽调的熟练工刚好能完成一年的安装任务,那么工厂有哪几种新工人的招聘方案?(3)在(2)的条件下,工厂给安装航模的每名熟练工每月发2000元的工资,给每名新工人每月发1200元的工资,那么工厂应招聘多少名新工人,使新工人的数量多于熟练工,同时工厂每月支出的工资总额W(元)尽可能的少?【分析】(1)设每名熟练工和新工人每月分别可以安装x,y艘航模,根据题意列出关于x、y的方程组,求出xy的值即可;(2)设需熟练工m名,故可得出n=10﹣2m,再由0<n<10得出m的取值范围,进而可得出结论;(3)根据题意列出n,W的关系式,求出n的值即可.【解答】解:(1)设每名熟练工和新工人每月分别可以安装x,y艘航模.,解得,答:每名熟练工和新工人每月分别可以安装4艘、2艘航模;(2)设需熟练工m名,依题意有:2n×12+4m×12=240,n=10﹣2m∵0<n<10,∴0<m<5 故有四种方案:(n为新工人)∴,,,;(3)依题意有:W=1200n+(5﹣n)×2000=200n+10000,要使新工人数量多于熟练工,满足n=4、6、8,因为w随n的增大而增大故当n=4时,W有最小值=10800元.。

2016年四川省乐山市中考英语试卷

绝密★启用前四川省乐山市2016年高中阶段教育学校招生统一考试英语(满分150分,考试时间120分钟)第一卷(选择题,共100分)第一部分听力(共三节,满分30分)第一节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C三幅图中,选出一个与所你听到的内容相符合的选项。

每段对话读两遍。

1.A B C2.A B C3.A B C4.A B C 5.A B C第二节(共5小题;每小题1.5分,满分7.5分)听下面5段对话。

每段对话后有一个小题,从题中所给的A、B、C三个选项中选出最佳选项。

每段对话读两遍。

6. What will the woman probably get for her English teacher?A. A watch.B. A hat.C. Flowers.7. What does the woman suggest?A. Listening to music.B. Playing games.C. Going to bed.8. Who smelt smoke?A. Alice.B. John.C. Mike.9. Where does the conversation most probably take place?A. In the post office.B. In the bank.C. In the street.10. How many countries has the man visited?A. 3.B. 2.C. 1.第三节(共10小题;每小题1.5分,满分15分)听下面3段对话或独白。

每段对话或独白后有几个小题,从题中所给的A、B、C三个选项中选出最佳选项。

每段对话或独白读两遍。

听下面一段材料,回答第11至13题。

11. Who is speaking to Granny?A. Charles.B. Roy.C. Her doctor.12. Why can’t Granny tell Roy and Charles apart(区分)?A. She is getting old.B. She hasn’t seen them for a long time.C. There is something wrong with her eyes.13. Which of the follow is TURE?A. Charles never visits Granny.B. Charles and Roy once wore the same clothes.C. Charles and Roy don’t like each other anymore. -------------在--------------------此--------------------卷--------------------上--------------------答--------------------题--------------------无--------------------效----------------毕业学校_____________姓名________________考生号___________________________________________听下面一段材料,回答第14至16题。

2016年四川省成都市中考英语-答案

四川省成都市2016年高中阶段教育学校统一招生考试英语答案解析A卷(共100分)第一部分听力第一节1.【答案】B2.【答案】A3.【答案】C4.【答案】A5.【答案】A6.【答案】C第二节7.【答案】B8.【答案】A9.【答案】D10.【答案】C第三节11.【答案】C12.【答案】C13.【答案】B14.【答案】A15.【答案】A16.【答案】C17.【答案】C18.【答案】B19.【答案】A20.【答案】A第四节21.【答案】A22.【答案】C23.【答案】C24.【答案】B25.【答案】B第五节26.【答案】meaningful/great27.【答案】volunteering/doing volunteer work28.【答案】play with29.【答案】shouting, crying30.【答案】patient第二部分知识运用第一节单项填空31.【答案】B【解析】“over”有表示“超过;结束”的意思;在此处表示“超过”与“more than”意思相同。

【考点】同义替换32.【答案】D【解析】have a good time=have fun意思为“玩的愉快”【考点】同义替换33.【答案】A【解析】heavily为副词,有“重地;大地”意思,在此句中修饰rain表示“大地;猛烈地”与hard作副词时表“猛烈地”意思相同。

【考点】同义替换34.【答案】C【解析】go back意为“回去”和return意思相同【考点】同义替换35.【答案】B【解析】句意为:为了成为一名出色的舞蹈家,你需要学习更多东西。

此处表示泛指,且good的读音以辅音音素开头,使用不定冠词a。

故选B。

【考点】冠词用法36.【答案】A【解析】由交际情景可知,地上的钢笔是“我的”。

mine是名词性物主代词,意为“我的”,相当于“my pen”,符合题意。

故选A。

【考点】代词辨析。

37.【答案】B【解析】表示在具体的某一天用介词on。

2016年中学考试英语真题及问题详解

二○一六年初中毕业暨升学考试第I卷(选择题共55分)一、英语知识运用(共两节,满分25分)第一节单项填空(共15小题;每小题1分,满分15分)从A、B、C、D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。

1. My host family is taking me to ________ English film festival next weekend.A. anB. aC. theD. 不填2. —What do you call your father’s sisters?—_______.A. UnclesB. CousinsC. AuntsD. Parents3. A 100-year-old man ran a marathon in Toronto on Sunday. He became the ________ person to complete thelong-distance running in the world.A. youngestB. bestC. biggestD. oldest4. —What does your new English teacher look like?—She is a pretty lady ________ long hair.A. atB. forC. withD. of5. —Do you need a new dictionary, Susan?—No, Mum. My uncle bought me ________ yesterday.A. oneB. itC. the oneD. another6. My friend Frank sings well, and he is _______ good at playing guitar.A. notB. alsoC. yetD. too7. As one of the school rules, middle school students are not ________ to smoke.A. orderedB. refusedC. allowedD. forbidden8. —Have you ever seen the movie 2012?—Yes, but I don’t believe ________ the year 2012 will see the end of the world.A. thatB. whatC. howD. if9. Some of the students are nearsighted _______ they spend too much time watching TV or playing online games.A. whenB. thoughC. becauseD. unless10. —Excuse me, can you tell me the way to the People’s Park?—Walk along this road and turn right, and the park is on your right. You _______miss it.A. needn’tB. mustn’tC. may notD. won’t11. Our foreign teacher Mr Green ________ us English since three years ago.A. has taughtB. is teachingC. taughtD. teaches12. —Steve, ________do you play basketball after school?—Twice a week. It can keep me healthy.A. how farB. how soonC. how longD. how often13. Whenever I see the birds, I’ll _______ flying in the sky.A. think upB. dream ofC. work onD. pick up14. Welcome to our school, ladies and gentlemen. ________, I’d like to introduce myself.A. To be honestB. To my surpriseC. To start withD. To tell you the truth15. Which of the following sig ns means “N o climbing”?A B C D第二节完形填空(共10小题;每小题1分,满分10分)阅读下面短文,掌握其大意,然后从16~25各小题所给的四个选项(A、B、C和D)中,选出最佳选项,并在答题卡上将该项涂黑。

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2016年四川省资阳市乐至县中考英语一模试卷 一、第一部分 听力理解(共两节,满分0分)第一节 (共10小题;每小题0分,满分0分)听下面5段对话,从题中所给的3 个选项中选出与其意思相符的图片.每段对话读一遍. 1.What is John looking for?

2.What will the two speakers do? 3.What is Jenny doing now? 4.What sign is it? 5.What is the father probably doing now? 6.听下面一段对话,回答第6﹣8小题. 6.Why did the woman look tired? A.Because she almost didn't sleep. B.Because she sang a lot of songs. C.Because she did a lot of housework. 7.When did the show end? A.At 1 a.m. B.At 2 a.m. C. At 4 a.m. 8.Why doesn't the man like the show? A.The competitors perform badly. B.Too many ads are between the show. C.The judges argue a lot. 9.听下面一段对话,回答第 9﹣11小题. 9.What is TRUE about the skirt? A.It's black. B.It's the latest style. C.It's popular with old ladies. 10.How much is the skirt? A.338 yuan. B.368 yuan. C.386 yuan. 11.Why doesn't the woman choose the skirt? A.It's the wrong size. B.It's expensive. C.It's an American brand. 12.听下面一段对话,回答第12﹣14小题. 12.What does the woman plan to do this weekend at first? A.Stay at home. B.Eat out. C.See a film. 13.What is the woman's favorite food? A.Sushi. B.Pizza. C.Jiaozi. 14.When will the two speakers meet? A.At 11:00 a.m. B.At 2:00 p.m. C.At 4:00 p.m. 15.听下面一段对话,回答第15﹣17小题 15.Which bus should the man take? A.No.6. B.No.16. C.No.60. 16.What does the man think of the city? A.Big but noisy. B.Small but beautiful. C.Big,beautiful but crowded. 17.Who is the man going to visit?. A.His aunt. B.His teacher. C.His friend. 18.听下面一段独白,回答第18﹣20小题. 18.Whose pet dog was it? A.The blind man's. B.The doctor's. C.The doctor's wife's. 19.What kind of dogs are the best ones for guides? A.Strong and old. B.Young and smart. C.Smart and healthy. 20.How long does it take to train a little dog to be a guide dog? A.Over 2 years. B.Less than 14 months. C.About 4 weeks.

二、第二部分 英语知识运用(一)第一节 单项填空从A、B、C、D四个选项中,选出能填入空白处的最佳选项. 21.(3分)Could you please give some _____ to the _____ teachers?( ) A.advice; man B.advices; men C.suggestion; man D.suggestions; men 22.(3分)﹣The cars made in Germany are more expensive than ______ made in Japan. ﹣Yes,you are right.But they're much better.( ) A.those B.that C.ones D.it 23.(3分)﹣Why did you laugh just now? ﹣Ted wanted to tell us ______ very funny story,but he forgot ______ ending himself.( ) A.a; an B.the; the C.the; a D.a; the 24.(3分)﹣"Food Safety"has become one of the hottest topics recently. ﹣Yeah,it receives Internet hits (点击) a day.( ) A.thousands B.thousand of C.thousands of D.ten thousands 25.(3分)Leo was so __________that he rushed to the kitchen,hoping to find something to eat.( ) A.thirsty B.hungry C.tired D.sleepy 26.(3分)﹣Would you like to give me some advice on how to look children?( ) ﹣Why not watch"Dad is back"on Zhejiang TV Station? A.for B.after C.at D.through 27.(3分)I enjoy the street dance"hip﹣hop",but my father my mother likes it.( ) A.both; and B.neither; nor C.either; or D.not only; but also 28.(3分)﹣How do you like the fish I cooked for you? ﹣I haven't had it yet.However,it ________ good.( ) A.smells B.tastes C.sounds D.feels 29.(3分)﹣Diaoyu Island belongs to China. ﹣Surely it does!We Chinese will never it up.( ) A.cut B.fix C.give D.set 30.(3分)﹣Tell me one thing you're proud of in your junior high school football team. ﹣I____as captain of the school football team.( ) A.choose B.chose C.am chosen D.was chosen

三、第二节 完形填空 31.Alice was a young woman who liked to exercise for her health.In fact,she walked five kilometers before (31) every morning,and went swimming once a week at the swimming pool.She didn't smoke and never (32) .She didn't eat chocolate.She didn't eat sweet and fatty food,(33) .She weighed herself every day. Once Alice was on her daily walk when she saw a (34) sitting in a rocking chair under a tree.He looked very old and his hair was white.He looked thin and weak,and his hands were shaking,(35) he looked very happy. He smiled at her and said,"Good morning,lovely day,isn't it?" He had a wide smile (36) his face,and his eyes shone with happiness.But Alice saw that he did not have teeth. "Good morning!"replied Alice."Yes,it is a lovely day." Alice thought he (37) very old and wise.She thought he must be at least 90years old!She decided to ask him about the (38) of a happy old age. "I hope you don't (39) me asking,"she said,"but what is your secret for being so happy at your age?I hope I can look as happy as you do (40) I am your age." The man in the rocking chair said,"My secret for (41) ?I smoke twenty

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