【全国百强校】四川省成都市第七中学2016-2017学年高一下学期期末考试地理试题(pdf版)
成都七中2016——2017学年度下期高2019届期末考试地理试卷考试时间:60分钟满分:100分第Ⅰ卷选择题(共70分)第Ⅰ卷共35个小题,每个小题有四个选项,只有一项最符合题意,每小题2分,共计70分。
请用2B铅笔在答题卷上将所选答案的代号涂黑。
成都地铁4号线二期工程已于6月2日开通试运营。
按计划,7号线也将分别于今年12月开通试运营。
至今年底,成都市地铁开通运营总里程将达到179公里,线网日均客运量将突破300万人次。
到2022年地铁开通运营里程达到600公里以上, 基本形成半小时轨道通勤圈。
地铁2号线经过成都市中心春熙路、牛王庙商圈,将会促进此地区经济、商业发展。
2号线也串联了成都最大的火车枢纽中心--成都东站,与1号线换乘后,可以去往成都站和成都南站,方便市民搭乘火车。
地铁7号线全长约38.56公里,线路位于二环、三环之间居住用地最密集地带,串联了火车北站、火车南站、火车东站、城北客运中心站四大重要交通枢纽,并与城市快速轨道交通和市域轨道交通放射线形成换乘关系。
该环形线路建成后,将增加与各条放射状线路的换乘功能,使客运转换更加便捷,将极大地缓解中心城区交通拥堵。
下图为成都市部分地铁线路及站点示意图。
根据材料和下图,完成1~4题。
1.下列关于成都市地铁空间规划的叙述,正确的是A.地铁②号线的走向基本上为东西走向B.地铁线路的总体规划与地面交通相似,都是放射线路与环形线路结合C.地铁④号线可以直达成都市西南的二环路以外D.地铁环线的开通对减轻市中心的交通压力没有作用2.上图中地铁换乘站a、d比b、c客流量大得多,最主要的原因是a、d位于A.中心商务区B.大型居住区C.休闲旅游区D.学校密集区3.上图中地铁站点e、f、g相对于⑦号线的其他换乘站点来说,其主要意义在于A.繁华商业区,便于购物者集散B.主要工业区,便于工人上下班C.交通枢纽,便于环形线乘客换乘去往其他方向D.交通枢纽,便于市际的交通4.关于成都市空间形态的形成最有可能是A.围绕唯一的商业聚集区向四周扩展B.沿河流发展而形成条带状C.地处平原、没有大河流经D.沿主要铁路线扩展形成放射状下图为“某年我国部分省市城乡65岁及其以上人口占各自总人口比重图”。
读图回答5~6题。
5.城乡65岁及其以上老年人口的分布反映了A.东部超大城市的城镇老年人口占比高B.中西部地区的城乡老年人口占比均高C.经济发达的省市均已进入老龄化阶段D.东北地区农村老龄化现象比城市明显6.影响贵州、湖南等中西部省份农村老年人口占比高的主要因素是A.人口出生率 B.人口迁移 C.人口死亡率 D.人口密度下图是某城市1990年和2010年人口密度空间分布图。
读图回答7~8题。
7.下列四地单位面积人口数量,2010年较1990年增长最大的是( ) A.2千米附近B.4千米附近C.8千米附近D.10千米附近8.结合城市与城市化知识推断,图中人口密度二十年的变化是( ) A.城市化水平降低的表现B.城市地租水平保持稳定的需要C.城市等级提高的结果D.城市内部空间结构调整的反映下图是某国从18世纪80年代到20世纪70年代人口增长的四个阶段示意图,读图回答9~10题。
9.按人口增长模式的演变历程,排列正确的是()A.②③④①B.①③②④C.①④②③D.④①③②10.人口增长模式发生转变的根本原因是()A.自然环境的改变B.生产力水平的提高C.国家政策的改变D.教育事业的发展读我国内蒙古呼伦贝尔牧区(甲)和阿根廷潘帕斯牧区(乙)分布示意图,回答11~12题。
11.下列区位条件中,不属于甲、乙两牧区发展畜牧业的共同优势是A.气候全年温和湿润B.地表辽阔坦荡C.交通方便D.草类茂盛12.关于甲、乙牧区畜产品生产和销售特点叙述正确的是A.甲牧区产品主要面向国际市场,乙牧区产品主要面向国内市场B.甲牧区主要为城市提供肉、奶等,乙牧区主要出口羊肉到欧美市场C.甲牧区产品主要靠铁路运输,乙牧区产品主要靠铁路和海运D.乙牧区生产粗放,经济效益低20世纪60年代以来,日趋严重的人口增长、资源危机和环境污染等问题,使人们认识到:可持续发展是人类的必由之路。
据此完成13~14题。
13.下列国家中,现阶段人口增长模式为“低—低—低”型的是A.印度B.巴西C.埃及D.德国14.下列人类活动符合可持续发展理念的是A.清洁生产B.围湖造田C.过度放牧D.滥伐森林下图为中国五次人口普查城市化水平变化图。
读图完成15~16题。
15.图中信息能直接反映的城市化标志是A.城市人口比重增加B.城市用地规模扩大C.城市绿地增加D.劳动力从第一产业向第二、三产业转移16.关于中国城市化的叙述,正确的是A.2000年中国城市人口比重为60%B.城市化进程已推进到成熟阶段C.逆城市化现象很普遍D.构建和谐人居环境是城市的发展趋势之一17.水稻是世界主要粮食作物之一,喜高温多雨气候。
我国水稻播种面积占全国粮食作物播种面积的1/4,而产量则占一半以上。
据此回答我国水稻种植北界可达三江平原,主要自然原因是A.我国东部多平原,灌溉便利B.我国东部夏季普遍高温,雨热同期C.我国东部降水丰富,四季热量充足D.东部河流稠密,水源充足天然橡胶是一种喜高温、多雨、静风和肥沃土壤的热带乔木。
几十年来,我国科研人员制定了一整套以抗风、抗寒、高产为中心,环境、品种、措施三对口是关键的抗寒高产综合技术,推广应用于生产,成功地把橡胶树北移到内地热带北缘北纬18—24°的海南、云南、广东、广西、福建的大面积种植并获得高产。
我国已成为世界天然橡胶生产大国。
读“我国天然橡胶种植地及其扩散示意图”(箭头表示扩散方向)。
回答18~20题。
18.据图所知,我国天然橡胶种植扩散方向的趋势为A.向东B.向西C.向北D.向南19.乙地比丙地种植天然橡胶更优越的自然条件是A.风力更大B.地势更高C.纬度更高D.灾害天气更少20.我国成为世界天然橡胶种植纬度最高地区的主要原因是A.交通运输方便B.土壤肥沃C.农业技术的进步D.市场需求下图为“澳大利亚农业地域类型分布示意图”。
读图完成21~23题21.图中A区域所属的农业地域类型是A.混合农业B.乳畜业C.商品谷物农业D.大牧场放牧业22.该农业区域主要农产品是A.羊肉、小麦B.羊肉、奶C.小麦、玉米D.小麦、羊毛23.关于该农业地域的叙述正确的是A.人口密集,劳动力丰富B.良性的农业生态系统C.主要农产品满足国内需求D.机械化程度较低下图表示工业区位选择的4种模式,图中圆圈大小表示各因素对工业区位选择影响程度的强弱。
读图完成24题。
24.工厂区位选择与图示相符的是( )A.①生物制药厂②食品罐头厂③电脑装配厂④玻璃厂B.①彩印厂②造船厂③纺织厂④皮革厂C.①水泥厂②造纸厂③家具厂④烤烟厂D.①啤酒厂②炼铝厂③缫丝厂④榨糖厂25.广西平果县以丰富的铝土资源为基础,发展了氧化铝和电解铝工业,这将会吸引铝电缆、铝铸件和铝连轧等加工企业在此集聚。
这些企业在这里集聚的目的是A.组建高科技产业基础B.满足当地对铝制品的需求C.资源共享和追求集聚效益D.减少当地的环境污染下图表示某种工业区位选择发展变化的不同阶段,读图完成26~27题。
26.区位选择与图中所示发展阶段相符合的工业部门是()A.钢铁工业B.化学工业C.纺织工业D.电子工业27.上图中反映这种工业区位选择变化的原因是()A.原料地的吸引力逐渐增强B.燃料地的吸引力越来越强C.交通运输的影响变化不大D.市场的吸引力逐渐增强读下面甲、乙两新工业区分布图,完成28~30题。
28.下列有关甲、乙新工业区的叙述,正确的是A.新工业区是20世纪50年代以后形成的高技术工业区B.新工业区的共同特点之一是知识密集C.新工业区的共同特点之一是以中小型企业为主D.新工业区的工业都以轻工业为主29.乙图新工业区发展条件与我国武汉“光谷”相比较,不同的是A.地理位置优越B.环境优美、气候宜人C.有高等院校,便捷的交通D.军事订货30.与传统工业相比,意大利新兴工业区具有以下特点A.以大型企业为主 B.是“分散型工业化”地区C.生产过程集中D.资本集中程度高下图为我国季风区某地循环经济生产联系图。
读图回答31~33题。
31.该地农业所属地域类型是A.季风水田农业B.畜牧业C.混合农业D.商品谷物农业32.图示地区工业生产的特点A.原料需从外地输入B.产品以生活用品为主C.工业地域发育程度高D.所用能源是沼气33.该地经济生产可以A.实现无废弃物排放B.把生产重点转向对废弃物的综合利用C.隔断工业生产与农业生产的联系D.减少资源消耗量,减少污染物排放量2017年2月5日,中共中央、国务院公开发布《关于深入推进农业供给侧结构性改革加快培育农业农村发展新动能的若干意见》首次提到创建“田园综合体”。
田园综合体就是以企业和地方合作的方式,在乡村社会进行大范围整体、综合的规划、开发、运营。
该发展模式集现代农业、休闲旅游、田园社区为一体的特色小镇和乡村,是综合化发展产业和跨越化利用农村资产的创新突破。
下图为田园综合体的组成示意图。
读图完成34~35题。
34.田园综合体促进乡村促进经济发展不包括A.绿色农产品B.房地产开发C.休闲旅游D.金融、交通服务业35.该发展模式实现可持续发展的①经济可持续②城乡可持续③社会可持续④生态可持续A.①②③B.①③④C.②③④D.①③④第Ⅱ卷非选择题(共30分)第Ⅱ卷共3个小题,共30分,请将试题答案写在答题卷对应位置。
在试卷上答题不得分。
36.下图中图甲为世界某国地形、河流示意图,图乙为该国A地附近沿海地区的气候资料图。
该国人口超过10亿,自然增长率为1.4%左右。
回答下列问题。
(12分)(1)该国是其所在大洲耕地面积最多的国家,试从地形、气候、河流等方面分析原因。
(3分)(2)A地沿海地区的农业地域类型为,评价A地沿海地区发展农业生产的气候条件。
(4分)(3)判断该国人口的突出特点,并分析其对农业生产的有利和不利影响。
(5分)37.阅读材料,回答下列问题。
(10分)材料一“蓉欧快铁”货运直达列车于2013年4月26日开始运行。
“快铁”线路西端的欧洲中部地区有世界著名的传统工业区,钢铁、汽车制造工业历史悠久;东端的成都平原地区有国家级高新技术产业开发区,电子工业、汽车产业发展较快。
两端广阔的货物集散区域经济互补性强。
通过使用“恒温箱”先进技术,成都温江花木搭乘中欧班列蓉欧快铁出口到欧洲,开启中国花卉苗木出口欧洲的新路径。
2016年开行数量达460列,跃居国内首位,占中欧班列总量的26%,发运货物总价值超过13亿美元。
蓉欧快铁将以争创中欧班列第一品牌为目标,把公共班列与精品定制班列相结合,2017年全年计划开行国际班列1000列以上,4万集装箱货柜。
【全国百强校】四川省成都市第七中学2016-2017学年高一下学期期末考试数学试题
绝密★启用前【全国百强校】四川省成都市第七中学2016-2017学年高一下学期期末考试数学试题试卷副标题考试范围:xxx ;考试时间:66分钟;命题人:xxx学校:___________姓名:___________班级:___________考号:___________注意事项.1.答题前填写好自己的姓名、班级、考号等信息 2.请将答案正确填写在答题卡上第I 卷(选择题)一、选择题(题型注释)1、已知等差数列的前项和为,若,则( )A .18B .36C .54D .722、如图,正方体的棱长为1,线段上有两个动点,且,则下列结论中错误的是( )A .B .平面C .三棱锥的体积为定值D .异面直线所成的角为定值3、若,则的值可以为( )A .或1B .C .D .4、设,则有( )A .B .C .D .5、的值是( )A .-1B .0C .1D .26、已知某几何体的三视图中,正视图、侧视图均由直角三角形与半圆构成,俯视图由圆与其内接直角三角形构成,如图所示,根据图中的数据可得几何体的体积为( )A .B .C .D .7、直线与连接的线段相交,则的取值范围是( )A .B .C .D .8、若的内角的对边分别为,且,则等于( )A .B .C .D .9、若直线与直线互相垂直,则的值为( )A .1B .-1C .D .10、如图,则( )A .90°B .60°C .45°D .30°11、已知等比数列为递增数列,且,则数列的通项公式( )A .B .C .D .12、已知点的坐标满足条件,则的最大值为( )A .B .8C .10D .16第II卷(非选择题)二、填空题(题型注释)13、已知直线,直线交轴负半轴于点,交轴正半轴于点.(1)记的面积为,求的最小值并求此时直线的方程;(2)直线过定点,求的最小值.14、数列满足,,写出数列的通项公式__________.15、已知关于的不等式的解集为,则__________.16、过点且与原点的距离为1的直线共有__________条.17、如图,正方体中,直线与所成角大小为__________.三、解答题(题型注释)18、已知数列满足.(1)设,求数列的通项公式; (2)求数列的前项和;(3)记,求数列的前项和.19、设的内角所对的边长分别为,且.(1)求的值;(2)若,求的最大值.20、已知,函数,的内角所对的边长分别为.(1)若,求的面积;(2)若,求的值.21、如图,已知矩形所在的平面,分别为的中点,.(1)求证:平面;(2)求与面所成角大小的正弦值;(3)求证:面.22、如图所示,在直三棱柱中,,点是的中点.(1)在棱上找一点,当在何处时可使平面平面,并证明你的结论;(2)求二面角大小的正切值.参考答案1、D2、D3、A4、A5、D6、C7、D8、B9、C10、B11、A12、C13、(1)最小值为4,直线方程为(2)414、15、-216、217、18、(1)(2)(3)19、(1)(2)20解析:(1)由正弦定理,结合三角形中和差角公式得:,从而,即;(2)由(1)知内角均为锐角,如图所示过作垂直于垂足为. 设,由题意结合得,且,所以时,.20、(1)(2)21、(1)见解析(2)(3)见解析22、(1) 在棱中点(2)【解析】1、试题分析:,.考点:等差数列的基本概念.2、试题分析:因为在正方体中,面面,故A正确;因为平面平面,平面,所以面,故B正确;因为的面积为定值又面,为棱锥的高,所以三棱锥的体积为定值,故C正确;因为利用图形设异面直线所成的角为,当与重合;当与重合时,所以异面直线所成的角不是定值,故D错误;故选D.考点:棱柱的结构特征3、,选A.点睛:三角函数求值的三种类型(1)给角求值:关键是正确选用公式,以便把非特殊角的三角函数转化为特殊角的三角函数.(2)给值求值:关键是找出已知式与待求式之间的联系及函数的差异.①一般可以适当变换已知式,求得另外函数式的值,以备应用;②变换待求式,便于将已知式求得的函数值代入,从而达到解题的目的.(3)给值求角:实质是转化为“给值求值”,先求角的某一函数值,再求角的范围,确定角.4、,选A.5、,选D.点睛:应用三角公式解决问题的三个变换角度(1)变角:目的是沟通题设条件与结论中所涉及的角,其手法通常是“配凑”.(2)变名:通过变换函数名称达到减少函数种类的目的,其手法通常有“切化弦”、“升幂与降幂”等.(3)变式:根据式子的结构特征进行变形,使其更贴近某个公式或某个期待的目标,其手法通常有:“常值代换”、“逆用变用公式”、“通分约分”、“分解与组合”、“配方与平方”等.6、试题分析:该几何体是一个半球和一个三棱锥,故体积为. 考点:三视图.7、由题意得在直线上或异侧,所以,选D.8、试题分析:针对利用正弦定理边角互化可得,即,所以,所以.考点:本小题主要考查解三角形,正弦定理、余弦定理.9、由两直线垂直充要条件得:,选C.10、由三余弦定理得选B.11、由得,由得,所以,选A.12、可行域如图,表示可行域内点到原点距离的平方,所以的最大值为,选C.点睛:线性规划问题,首先明确可行域对应的是封闭区域还是开放区域、分界线是实线还是虚线,其次确定目标函数的几何意义,是求直线的截距、两点间距离的平方、直线的斜率、还是点到直线的距离等等,最后结合图形确定目标函数最值取法、值域范围.13、试题分析:(1)分别求出直线与坐标轴的交点,根据直角三角形面积公式可得,再根据基本不等式求最值,并确定的值,即得直线的方程;(2)利用向量数量积得,再根据基本不等式求最值试题解析:解:由题意,分别令,解得且. (1)时,当且仅当时取等.所以的最小值为4,此时直线的方程为.(2)易得,∴,,当且仅当时取到,的最小值为4.点睛:在利用基本不等式求最值时,要特别注意“拆、拼、凑”等技巧,使其满足基本不等式中“正”(即条件要求中字母为正数)、“定”(不等式的另一边必须为定值)、“等”(等号取得的条件)的条件才能应用,否则会出现错误.14、因为,所以,两式相减得,即,又,所以,因此点睛:给出与的递推关系求,常用思路是:一是利用转化为的递推关系,再求其通项公式;二是转化为的递推关系,先求出与之间的关系,再求. 应用关系式时,一定要注意分两种情况,在求出结果后,看看这两种情况能否整合在一起.15、为方程两根,因此16、显然过点且与原点的距离为1;再设 ,由,所以满足条件的直线有两条17、因为 ,所以直线与所成角为因为 ,所以,即直线与所成角大小为18、试题分析:(1)对条件两边同除以得,即得数列首项及公差均为1的等差数列,再根据等差数列通项公式求数列的通项公式;(2)因为,所以利用错位相减法求和得数列的前项和;(3)对裂项处理:,再根据分组求和以及裂项相消法求和得数列的前项和.试题解析:(1)由得,得;(2)易得,错位相减得所以其前项和;(3),或写成.点睛:用错位相减法求和应注意的问题(1)要善于识别题目类型,特别是等比数列公比为负数的情形;(2)在写出“”与“”的表达式时应特别注意将两式“错项对齐”以便下一步准确写出“”的表达式;(3)在应用错位相减法求和时,若等比数列的公比为参数,应分公比等于1和不等于1两种情况求解.19、试题分析:(1)由正弦定理将边化为角:,再根据三角形内角关系及诱导公式得,即得,因此;(2)过作垂直于垂足为,利用底乘高的一半表示三角形面积:设,则由比例关系,因此,又,所以可利用基本不等式求最值试题解析:(1)由正弦定理,结合三角形中和差角公式得:,从而,即;(2)由(1)知内角均为锐角,过作垂直于垂足为.设,由题意结合得,且,所以时,.20、试题分析:(1)先根据向量数量积坐标表示得,再根据二倍角公式及配角公式得,根据可解得,由正弦定理可得即得,最后根据直角三角形面积公式求面积(2)由得利用同角三角函数关系得,最后根据,利用两角和余弦公式展开得的值.试题解析:解:,(1)由,结合为三角形内角得而.由正弦定理得,所以.(2)由时,,∴,21、试题分析:(1)取的中点,利用平几知识证四边形是平行四边形.即得.再根据线面平行判定定理得平面;(2)由矩形得即为与面所成角,再解直角三角形得与面所成角的正弦值(3)由等腰三角形性质得,再根据矩形得而,所以根据线面垂直判定定理得平面,即得,因此平面.最后根据,得面.试题解析:解:记中点为,易得平行且等于,(1)证明:如图,取的中点,连结,则有,且,∴四边形是平行四边形.∴.∵平面,平面,∴平面;(2)易得即为与面所成角,,所以,与面所成角大小的正弦值为;(3)证明:∵平面平面平面.∴,∵,∴平面,又∵平面,∴,∵,为中点,∴,又∵,∴平面.∵,∴平面.22、试题分析:(1)先寻找线线平行,所以取为棱中点,再根据线面平行判定定理得线面平行,最后根据线面平行证面面平行(2)过点作直线的垂线,再由三垂线定理可得也与直线垂直,即为二面角的平面角.再结合勾股定理解三角形得二面角大小的正切值试题解析:解:(1)当在棱中点时,可使平面平面,证明:易得.因此平面平面.(2)在平面内,过点作直线的垂线,记垂足为,连接,即为二面角的平面角.由已知,结合勾股定理得为直角三角形,,从而.二面角大小的正切值为.点睛:(1)探索性问题通常用“肯定顺推法”,将不确定性问题明朗化.其步骤为假设满足条件的元素(点、直线、曲线或参数)存在,用待定系数法设出,列出关于待定系数的方程组,若方程组有实数解,则元素(点、直线、曲线或参数)存在;否则,元素(点、直线、曲线或参数)不存在.(2)反证法与验证法也是求解探索性问题常用的方法.。
四川省成都市第七中学2016-2017学年高一下学期期末考试数学试题
成都七中2019届高一下学期期末考试数学试题一、选择题(共12个小题,每小题5分,共60分.)1.已知等差数列{}n a 的前n 项和为n S ,若4518a a =-,则8S =( ) A . 18 B .36 C .54 D .722.已知点(),P x y 的坐标满足条件41x y y x x +≤⎧⎪≥⎨⎪≥⎩,则22x y +的最大值为( )A.10 B . 8 C . 10 D . 163.已知等比数列{}n a 为递增数列,且()251021,25n n n a a a a a ++=+=,则数列{}n a 的通项公式n a =( )A .2nB . 3nC .2n- D . 3n-4.如图0,,,45AB AC BAD CAD αβαβ⊥⊂⊂∠=∠=,则BAC ∠=( )A .90°B . 60° C. 45° D .30°5.若直线()()2130a x a y ++--=与直线()()12320a x a y -+++=互相垂直,则a 的值为( ) A . 1 B . -1 C. 1± D .32-6.若ABC ∆的内角AB C 、、的对边分别为a b c 、、,且sin sin 2sin sin a A c C a C b B +=,则B 等于( )A .6π B .4π C. 3πD .34π7.直线10ax y ++=与连接()()2,33,2A B -、的线段相交,则a 的取值范围是( ) A .[]1,2- B . [)(]2,,1+∞-∞- C. []2,1- D .(][),21,-∞-+∞8.已知某几何体的三视图中,正视图、侧视图均由直角三角形与半圆构成,俯视图由圆与其内接直角三角形构成,如图所示,根据图中的数据可得几何体的体积为( )A .2132π+ B .4136π+ C. 2166π+ D .2132π+ 9. ()()001tan171tan 28++的值是( ) A .-1 B .0 C. 1 D . 210.设000020132tan151cos50cos 2sin 2,,21tan 152a b c -=-==+,则有( ) A .c a b << B .a b c << C. b c a << D .a c b << 11.若sin cos 24παα⎛⎫-=- ⎪⎝⎭,则sin 2α的值可以为( ) A .12-或1 B .12 C. 34 D .34- 12.如图,正方体1111ABCD A B C D -的棱长为1,线段11B D 上有两个动点,E F ,且2EF =,则下列结论中错误的是( )A .AC BE ⊥B .//EF 平面ABCDC. 三棱锥B AEF -的体积为定值 D .异面直线,AE BF 所成的角为定值二、填空题(共4小题,每小题5分,共20分,将答案填在答题纸上)13.如图,正方体1111ABCD A B C D -中,直线1AB 与1BC 所成角大小为 .14.过点()1,3且与原点的距离为1的直线共有 条. 15.已知关于x 的不等式()2110ax a x +-->的解集为11,2⎛⎫-- ⎪⎝⎭,则a = . 16.数列{}n a 满足,123231111212222n na a a a n ++++=+,写出数列{}n a 的通项公式 .三、解答题 (共6小题,第17题10分,18至22题每题12分,共70分.解答应写出文字说明、证明过程或演算步骤.)17. 如图所示,在直三棱柱111ABC A B C -中,13,4,5,4AC BC AB AA ====,点D 是AB 的中点. (1)在棱11A B 上找一点1D ,当1D 在何处时可使平面11//AC D 平面1CDB ,并证明你的结论; (2)求二面角1B CD B --大小的正切值.18. 已知直线():120l kx y k k R -++=∈,直线l 交x 轴负半轴于点A ,交y 轴正半轴于点B . (1)记ABO ∆的面积为S ,求S 的最小值并求此时直线l 的方程; (2)直线l 过定点M ,求MA MB 的最小值.19.如图,已知PA ⊥矩形ABCD 所在的平面,M N 、分别为AB PC 、的中点,045,2,1PDA AB AD ∠===.(1)求证://MN 平面PAD ;(2)求PC 与面PAD 所成角大小的正弦值; (3)求证:MN ⊥面PCD .20. 已知()1sin ,,3cos sin ,12a x b x x ⎛⎫=-=+ ⎪⎝⎭,函数()f x a b =,ABC ∆的内角,,A B C 所对的边长分别为,,a b c .(1)若1,3,12B C f a b +⎛⎫===⎪⎝⎭,求ABC ∆的面积S ;(2)若()30,45f παα<<=,求cos2α的值. 21. 设ABC ∆的内角,,A B C 所对的边长分别为,,a b c ,且3cos cos 5a Bb Ac -=. (1)求tan :tan A B 的值; (2)若4b =,求ABC S ∆的最大值.22.已知数列{}n a 满足1112,22n n n a a a ++==+.(1)设2nn na b =,求数列{}n b 的通项公式; (2)求数列{}n a 的前n 项和n S ; (3)记()()211422nnn n n nn c a a +-++=,求数列{}n c 的前n 项和n T .试卷答案一、选择题1-5:DCABC 6-10:BDCDA 11、12:AD二、填空题13. 3π14. 2 15. -2 16. 16,12,2n n n a n +=⎧=⎨≥⎩三、解答题17.解:(1)当1D 在棱11A B 中点时,可使平面11//AC D 平面1CDB ,证明略.(2)在平面ABC 内,过点B 作直线CD 的垂线,记垂足为E ,连接1B E ,1B EB ∠即为二面角1B CD B --的平面角.由已知,结合勾股定理得ABC ∆为直角三角形,125345BE BE =⨯⇒=,从而1145tan 123BB B EB BE ∠===. 二面角1B CD B --大小的正切值为53. 18.解:由题意,分别令0x =,0y =解得 ()10,12,2,0B k A k ⎛⎫+--⎪⎝⎭且0k >. (1)()111112244,022S k k k k k ⎛⎫⎛⎫=++=++> ⎪ ⎪⎝⎭⎝⎭时114244k k k k +≥=,当且仅当12k =时取等.所以S 的最小值为4,此时直线l 的方程为240x y -+=.(2)易得()2,1M -,∴()1,1,2,2MA MB k k ⎛⎫=--= ⎪⎝⎭,224MA MB MA MB k k =-=-+≥,当且仅当1k =时取到,MA MB 的最小值为4. 19.解:记PD 中点为E ,易得EN 平行且等于AM , (1)证明:如图,取PD 的中点E ,连结AE EN 、, 则有////EN CD AM ,且1122EN CD AB MA ===, ∴四边形AMNE 是平行四边形.∴//MN AE .∵AE ⊂平面PAD ,MN ⊄平面PAD , ∴//MN 平面PAD ;(2)易得CPD ∠即为PC 与面PAD 所成角,sin CD CPD PC ∠==,所以,PC 与面PAD 所成角(3)证明:∵PA ⊥平面,ABCD CD ⊂平面,ABCD ADC ⊂平面ABCD . ∴,PA CD PA AD ⊥⊥, ∵,CD AD PAAD A ⊥=,∴CD ⊥平面PAD ,又∵AE ⊂平面PAD ,∴CD AE ⊥, ∵045PDA ∠=,E 为PD 中点, ∴AE PD ⊥,又∵PD CD D =,∴AE ⊥平面PCD . ∵//MN AE , ∴MN ⊥平面PCD .20.解:()2113sin cos sin 2cos 2sin 2226f x a b x x x x x x π⎛⎫==+-=-=- ⎪⎝⎭,(1)由12B C f +⎛⎫=⎪⎝⎭,结合,,A B C 为三角形内角得2,33B C A ππ+==而1a b ==.由正弦定理得,62B C ππ==,所以122S ab ==. (2)由()3sin 2,0654f ππααα⎛⎫=-=<< ⎪⎝⎭时,2663πππα-<-<,∴4cos 265πα⎛⎫-= ⎪⎝⎭,cos 2cos 2cos 2cos sin 2sin 666666ππππππαααα⎛⎫⎛⎫⎛⎫⎛⎫=-+=---=⎪ ⎪ ⎪ ⎪⎝⎭⎝⎭⎝⎭⎝⎭21.解析:(1)由正弦定理,结合三角形中和差角公式得:()3sin cos sin cos sin cos sin cos 5A B B A A B B A -=+, 从而sin cos 4sin cos A B B A =,即tan :tan 4A B =;(2)由(1)知内角A B 、均为锐角,如图所示过C 作CD 垂直于AB 垂足为D . 设,CD m AD n ==,由题意结合tan :tan 4A B =得4BD n =,且22216m n b +==,所以m n ==22555162022222ABCm n S mn ∆+=≤==. 22.答案:(1)易得n b n =;(2)易得2nn a n =,其前n 项和()1122n n S n +=-+;(3)()()()()()()()()()()22211114221421212121212nnnnn nn n n nn nn nn n n c n n n n n n +++-++-++-++++===+++()()()()()()111111111111221222212nn n n nn n n n n n n n n ++++⎛⎫⎛⎫---⎛⎫=+-+=-+- ⎪ ⎪ ⎪ ⎪ ⎪++⎝⎭⎝⎭⎝⎭, ()()()()()()22312122311111111111222212222232212n n nn n n T n n ++⎡⎤⎛⎫⎛⎫⎛⎫⎡⎤------⎛⎫⎛⎫⎛⎫⎢⎥=-+-++-+-+-++- ⎪ ⎪ ⎪⎢⎥ ⎪ ⎪ ⎪ ⎪ ⎪ ⎪+⎝⎭⎝⎭⎝⎭⎢⎥⎢⎥⎣⎦⎝⎭⎝⎭⎝⎭⎣⎦()()11121136212n nn n ++-⎛⎫=-+-- ⎪+⎝⎭或写成()()()114123312n n n n +++---+.。
【名师解析】2016届四川省成都七中高一下学期期末考试地理试题
2016届四川省成都七中高一下学期期末考试地理【试卷综析】本试卷是以必修2地理内容为主,考查了人口、城市、农业、工业、交通运输、人地关系等相关内容。
其中1-30题为单项选择题,共60分;31-34题为综合题,共40分,满分100分。
试题总体以基础知识和基本技能为载体,注重对主要区域的定位能力、判读能力考查,以能力测试为主导,在注重考查学科核心知识的同时,突出考查考纲要求的基本能力,重视学生地理素养的考查。
第Ⅰ卷选择题(共60分)第Ⅰ卷共30个小题,每个小题有四个选项,只有一项最符合题意,每小题2分,共计60分。
请用2B铅笔在答题卷上将所选答案的代号涂黑。
1.图中正确表示城市各类土地利用付租能力随距离递减关系的是【知识点】本题考查土地利用付租能力随距离递减规律。
【答案解析】1.A解析:各类土地利用付租能力随距离递减,商业支付能力最大,距离市中心近;工业的付租能力最低,距离市中心远。
【思路点拨】土地利用付租能力主要取决于距离市中心的远近及交通通达度。
下列图甲是我国m市居民通勤方式与通勤时间关系图,图乙是m市居民不选择公共交通出行的原因比重图,读图回答2—3题。
注:公共交通包括公交车和轨道交通(地铁和轻轨)2.下列有关m市居民通勤方式与通勤时间关系的叙述,正确的是:A.选择公共交通与选择私家车出行人数相当B.选择步行和自行车比选择私家车出行人数多C.选择出租车出行时间小于选择自行车出行时间D.选择步行出行时间大于选择出租车出行时间3.为改善m市人们出行方式,鼓励居民选择公共交通出行,降低碳排放,改善m 市环境质量,小东同学为市政府提出下列建议,正确的是:①提高公共交通便捷性②提高公共交通舒适度③提高公共交通安全性④增加公共交通工具数量和畅通性,缩短等待乘车时间A.①②③B.①②④C.②③④D.①③④【知识点】本题考查城市交通特点。
【答案解析】2.A 3.D第2题,根据图甲可读出选择公共交通与选择私家车出行饼状图体积大小相当。
四川省成都七中2016-2017学年高一下学期期末考试语文试卷.doc
四川省成都七中2016-2017学年高一下学期期末考试语文试卷阅读下面的文字,完成下列小题。
近来,供给侧结构性改革成为热词。
有人认为,提出供给侧改革表明我们放弃了凯恩斯主义经济政策,转向供给学派的主张。
之所以会出现这种似是而非的观点,根子在于有些人习惯于照搬套用别人的理论来分析自己的实践、解决自己的问题,没有勇气也不善于作出创新性理论概括。
我国以前实行的经济政策并非凯恩斯主义,凯恩斯主义属于短期需求管理政策,主张在经济萧条时通过扩大投资刺激经济,但投资可以是组织工人挖沟再填上这样的无效投资。
而我国前些年的扩大投资,主要是投资于基础设施建设、经济社会发展薄弱环节等,既有利于当期扩大需求,又有利于经济社会长远发展。
这已经超越了凯恩斯主义。
因为我国作为发展很不平衡的发展中大国,经济社会各方面还有很大发展空间,投资远未饱和。
现在积极推进供给侧结构性改革,也明显不同于供给学派。
供给学派主张从供给角度分析经济、稳定经济,主张减税,但反对政府干预经济、反对产业政策。
这与我们强调更好发挥政府作用、“产业政策要准”根本不同。
推进供给侧结构性改革,是适应和引领我国经济发展新常态的重大创新,而不是对别人理论、做法的模仿翻新。
如果认识不到这一点,就会误导社会公众,造成不良后果。
作出创新性理论概括,是问题倒逼。
今天,人类社会的复杂程度远超以往,发展变化之快远超以往。
从国际看,世界多极化、经济全球化、文化多样化、社会信息化大潮奔涌向前;从国内看,新型工业化、信息化、城镇化、农业现代化和绿色化齐头并进。
应对这种前所未有之大变局,解决全新的经济社会问题,老理论不管用,别人的理论不适用,必须作出自己的创新性理论概括。
作出创新性理论概括,是时代呼唤。
当今时代,新产品、新产业、新业态、新商业模式层出不穷,技术信息每两年增加一倍,一个大学一年级学生所学的知识到三年级就有一半会过时。
3D打印、无人驾驶汽车、云计算……这些新技术新发明必将深刻改变人类社会,但仍有专家认为,20年后最伟大的产品现在还没有被发明出来。
四川省成都市第七中学2016-2017学年高一下学期期末考试生物试题(word版)
成都七中2016~2017学年度下期高2019届期末考试生物注意事项:1.生物试卷分为第Ⅰ卷(选择题)和第Ⅱ卷(非选择题)两部分,第Ⅰ卷 1 至 8 页,第Ⅱ卷 9至 11页。
本试卷满分 90分,考试时间 80分钟。
2.答卷前,考生务必将自己的姓名、准考证号填涂在答题卡相应的位置上。
答卷时, 考生务必将答案涂写在答题卡上,答在试卷纸上无效。
考试结束后,只将答题卡交回。
第Ⅰ卷(选择题,共50分)一、单选题(本题共 40小题,1~30每题 1分,31~40每题 2分,每小题只有一个选项符合题意)1.下列有关细胞生命历程的说法不正确.的是( )A. 细胞生长,核糖体的数量增加,物质运输效率增强B. 细胞分化,核遗传物质没有发生改变,但 mRNA 的种类有变化C. 细胞癌变,细胞膜上的糖蛋白减少,多个基因发生突变D. 细胞凋亡,相关基因活动加强,有利于个体的生长发育2.下列关于细胞分裂、分化、衰老和癌变的叙述中,不正确.的是( )A. 细胞膜通透性功能改变是癌细胞的基本特征之一B. 化疗主要是利用药物作用于癌细胞细胞周期的间期C. 高度分化的细胞失去分裂能力但细胞内仍能进行转录和翻译活动D. 人体内每时每刻都有细胞的分裂、分化、衰老和凋亡3.下面为动物机体的细胞凋亡及清除示意图。
据图分析,不正确.的是( ) A. ①过程表明细胞凋亡是特异性的,体现了生物膜的信息传递功能B. 细胞凋亡过程中有新蛋白质合成,体现了基因的选择性表达C. ②过程中凋亡细胞被吞噬,表明细胞凋亡是细胞被动死亡过程D. 凋亡相关基因是机体固有的,在动物生长发育过程中发挥重要作用4.下列关于“观察洋葱根尖分生组织细胞有丝分裂”的叙述,不正确.的是( )A. 压片有利于根尖分生区细胞分散开B. 先用低倍镜找到分生区细胞,再换用高倍镜观察C. 显微镜下绝大多数细胞中能观察到螺旋化的染色体D. 探究有丝分裂日周期性可为实验取材时机提供依据 .. .. ....5.在细胞有丝分裂的分裂期开始时,如果它的染色体数为 N ,DNA 含量为 Q ,则该细胞分 裂后每个子细胞中的染色体数和 DNA 含量分别是() A. N 和 Q B. N/2和 Q/2 C. N 和 Q/2D. N/2和 Q 6.如图表示果蝇(2n =8)细胞分裂过程中每条染色体的 DNA 含量变化曲线。
2016-2017学年四川省成都七中高一(下)期末数学试卷及答案
2016-2017学年四川省成都七中高一(下)期末数学试卷一、选择题(共12个小题,每小题5分,共60分.)1.(5分)已知等差数列{a n}的前n项和为S n,若a5=18﹣a4,则S8=()A.18B.36C.54D.722.(5分)已知点P(x,y)的坐标满足条件则x2+y2的最大值为()A.B.8C.16D.103.(5分)已知等比数列{a n}为递增数列,且a52=a10,2(a n+a n+2)=5a n+1,则数列{a n}的通项公式a n=()A.2n B.2n+1C.()n D.()n+14.(5分)如图α⊥β,AB⊂α,AC⊂β,∠BAD=∠CAD=45°,则∠BAC=()A.90°B.60°C.45°D.30°5.(5分)直线(a+2)x+(1﹣a)y﹣3=0与(a﹣1)x+(2a+3)y+2=0互相垂直,则a 的值为()A.﹣1B.1C.±1D.6.(5分)△ABC的内角A、B、C的对边分别为a、b、c,且a sin A+c sin C﹣a sin C=b sin B.则∠B=()A.B.C.D.7.(5分)直线ax+y+1=0与连接A(2,3)、B(﹣3,2)的线段相交,则a的取值范围是()A.[﹣1,2]B.[2,+∞)∪(﹣∞,﹣1]C.[﹣2,1]D.(﹣∞,﹣2]∪[1,+∞)8.(5分)已知某几何体的三视图如图所示,其中,正(主)视图,侧(左)视图均是由三角形与半圆构成,俯视图由圆与内接三角形构成,根据图中的数据可得此几何体的体积为()A.B.C.D.9.(5分)(1+tan17°)(1+tan28°)的值是()A.﹣1B.0C.1D.210.(5分)设,,,则有()A.c<a<b B.a<b<c C.b<c<a D.a<c<b 11.(5分)若,则sin2α的值为()A.B.C.D.12.(5分)如图,正方体ABCD﹣A1B1C1D1的棱线长为1,线段B1D1上有两个动点E,F,且EF=,则下列结论中错误的是()A.AC⊥BEB.EF∥平面ABCDC.三棱锥A﹣BEF的体积为定值D.异面直线AE,BF所成的角为定值二、填空题(共4小题,每小题5分,共20分,将答案填在答题纸上)13.(5分)如图,正方体ABCD﹣A1B1C1D1中,直线AB1与BC1所成角为.14.(5分)过点(1,3)且与原点的距离为1的直线方程共有条.15.(5分)已知关于x的不等式ax2+(a﹣1)x﹣1>0的解集为,则a=.16.(5分)已知数列{a n}满足则{a n}的通项公式.三、解答题(共6小题,第17题10分,18至22题每题12分,共70分.解答应写出文字说明、证明过程或演算步骤.)17.(10分)如图所示,在直三棱柱ABC﹣A1B1C1中,AC=3,BC=4,AB=5,AA1=4,点D是AB的中点.(1)在棱A1B1上找一点D1,当D1在何处时可使平面AC1D1∥平面CDB1,并证明你的结论;(2)求二面角B1﹣CD﹣B大小的正切值.18.(12分)已知直线l:kx﹣y+1+2k=0(k∈R),直线l交x轴负半轴于点A,交y轴正半轴于点B.(1)记△ABO的面积为S,求S的最小值并求此时直线l的方程;(2)直线l过定点M,求|MA||MB|的最小值.19.(12分)如图,已知P A⊥矩形ABCD所在的平面,M、N分别为AB、PC的中点,∠PDA=45°,AB=2,AD=1.(1)求证:MN∥平面P AD;(2)求PC与面P AD所成角大小的正弦值;(3)求证:MN⊥面PCD.20.(12分)已知,函数f(x)=,△ABC 的内角A,B,C所对的边长分别为a,b,c.(1)若,b=1,求△ABC的面积S;(2)若0<α<,求cos2α的值.21.(12分)设△ABC的内角A,B,C所对的边长分别为a,b,c,且.(1)求tan A:tan B的值;(2)若b=4,求S△ABC的最大值.22.(12分)已知数列{a n}满足.(1)设,求数列{b n}的通项公式;(2)求数列{a n}的前n项和S n;(3)记,求数列{c n}的前n项和T n.2016-2017学年四川省成都七中高一(下)期末数学试卷参考答案与试题解析一、选择题(共12个小题,每小题5分,共60分.)1.【考点】85:等差数列的前n项和.【解答】解:由题意可得a4+a5=18,由等差数列的性质可得a1+a8=a4+a5=18,∴S8===72故选:D.【点评】本题考查等差数列的性质和求和公式,属基础题.2.【考点】7C:简单线性规划.【解答】解:满足约束条件件的平面区域如下图所示:因为目标函数所表示的几何意义是动点到原点的距离的平方,由图得当为A点时取得目标函数的最大值,可知A点的坐标为(1,3),代入目标函数中,可得z max=32+12=10.故选:D.【点评】本题考查的知识点是简单线性规划,其中画出满足约束条件的平面区域,找出目标函数的最优解点的坐标是解答本题的关键.3.【考点】8H:数列递推式.【解答】解:设等比数列的首项为a1,公比为q,由a52=a10,2(a n+a n+2)=5a n+1,得,解得:(舍),.∴.故选:A.【点评】本题考查数列递推式,考查了等比数列的通项公式的求法,训练了方程组的解法,是基础的计算题.4.【考点】%K:三面角、直三面角的基本性质.【解答】解:作BO⊥AD,交AD于O,连结CO,BC,∵α⊥β,AB⊂α,AC⊂β,∠BAD=∠CAD=45°,∴设AO=a,则AO=BO=CO=a,BO⊥AO,CO⊥AO,BO⊥CO,∴AB=AC=BC=,∴∠BAC=60°.故选:B.【点评】本题考查角的求法,考查空间中线线、线面、面面间的位置关系等基础知识,考查空间想象能力,考查化归与转化思想、数形结合思想,是中档题.5.【考点】IJ:直线的一般式方程与直线的垂直关系.【解答】解:由题意,∵直线(a+2)x+(1﹣a)y﹣3=0与(a﹣1)x+(2a+3)y+2=0互相垂直∴(a+2)(a﹣1)+(1﹣a)(2a+3)=0∴(a﹣1)(a+2﹣2a﹣3)=0∴(a﹣1)(a+1)=0∴a=1,或a=﹣1故选:C.【点评】本题以直线为载体,考查两条直线的垂直关系,解题的关键是利用两条直线垂直的充要条件.6.【考点】HP:正弦定理;HR:余弦定理.【解答】解:∵a sin A+c sin C﹣a sin C=b sin B由正弦定理可得,由余弦定理可得,cos B==∵0<B<π∴故选:B.【点评】本题主要考查了正弦定理、余弦定理在求解三角形中的应用,属于基础试题7.【考点】I3:直线的斜率.【解答】解:由直线ax+y+1=0的方程,判断恒过P(0,﹣1),如下图示:∵K P A=﹣1,K PB=2,则实数a的取值范围是:a≤﹣1或a≥2.故选:B.【点评】求恒过P点且与线段AB相交的直线的斜率的取值范围,有两种情况:当AB,(如本题)计算K P A与K PB,若K P A<K PB,则直线的斜率k∈[K P A,在P竖直方向上的同侧时,K PB]当AB,在P竖直方向上的异侧时,(如下图)计算K P A与K PB,若K P A<K PB,则直线的斜率k∈(﹣∞,K P A]∪[K PB,+∞)就是过p点的垂直x轴的直线与线段有交点时,斜率范围写两段区间,无交点时写一段区间.8.【考点】L!:由三视图求面积、体积.【解答】解:由三视图可得该几何体的上部分是一个三棱锥,下部分是半球,所以根据三视图中的数据可得:V=××=,故选:C.【点评】本题考点是由三视图求几何体的面积、体积,考查对三视图的理解与应用,主要考查三视图与实物图之间的关系,用三视图中的数据还原出实物图的数据,再根据相关的公式求表面积与体积,本题求的是组合体的体积,一般组合体的体积要分部分来求.三视图的投影规则是:“主视、俯视长对正;主视、左视高平齐,左视、俯视宽相等”.三视图是高考的新增考点,不时出现在高考试题中,应予以重视.9.【考点】GP:两角和与差的三角函数.【解答】解:原式=1+tan17°+tan28°+tan17°•tan28°,又tan(17°+28°)==tan45°=1,∴tan17°+tan28°=1﹣tan17°•tan28°,故(1+tan17°)(1+tan28°)=2,故选:D.【点评】本题主要考查两角和的正切公式的应用,属于中档题.10.【考点】GF:三角函数的恒等变换及化简求值.【解答】解:∵=sin(30°﹣2°)=sin28°,=sin30°,=sin25°,而函数y=sin x在(0°,90°)上单调递增,25°<28°<30°,∴sin30°>sin28°>sin25°,即b>a>c,故选:A.【点评】本题主要考查两角差的正弦函数公式,同角三角函数基本关系式,二倍角公式在三角函数化简求值中的应用,考查了正弦函数的单调性,属于基础题.11.【考点】GS:二倍角的三角函数.【解答】解:∵由已知得:cos2α=sin(﹣α),∴cos2α﹣sin2α=(sinα﹣cosα),∴当cosα+sinα=﹣时,两边平方,可得:1+sin2α=,从而可解得:sin2α=﹣.当sinα﹣cosα=0时,两边平方,可得:1﹣sin2α=0,从而可解得:sin2α=1.综上可得:A=﹣,或1,结合选项,故选:A.【点评】本题主要考查两角和差的正弦、余弦公式的应用,二倍角公式的应用,属于中档题.12.【考点】L2:棱柱的结构特征.【解答】解:∵在正方体中,AC⊥BD,∴AC⊥平面B1D1DB,BE⊂平面B1D1DB,∴AC ⊥BE,故A正确;∵平面ABCD∥平面A1B1C1D1,EF⊂平面A1B1C1D1,∴EF∥平面ABCD,故B正确;∵EF=,∴△BEF的面积为定值×EF×1=,又AC⊥平面BDD1B1,∴AO为棱锥A﹣BEF的高,∴三棱锥A﹣BEF的体积为定值,故C正确;∵利用图形设异面直线所成的角为α,当E与D1重合时sinα=,α=30°;当F与B1重合时tanα=,∴异面直线AE、BF所成的角不是定值,故D错误;故选:D.【点评】本题考查了异面直线所成的角及求法,考查了线面垂直、面面平行的性质,考查了学生的空间想象能力及作图分析能力.二、填空题(共4小题,每小题5分,共20分,将答案填在答题纸上)13.【考点】LM:异面直线及其所成的角.【解答】解:连结AD1,∵ABCD﹣A1B1C1D1为正方体,∴AB∥D1C1且AB=D1C1,∴四边形ABC1D1为平行四边形,∴AD1∥BC1,则∠D1AB1为两异面直线AB1与BC1所成角.连结B1D1,∵正方体的所有面对角线相等,∴△D1AB1为正三角形,所以∠D1AB1=60°.故答案为60°.【点评】本题考查空间点、线、面的位置关系及学生的空间想象能力、求异面直线角的能力.在立体几何中找平行线是解决问题的一个重要技巧,此题是中档题.14.【考点】IT:点到直线的距离公式.【解答】解:因为原点(0,0)到(1,3)点的距离为:=>1,所以过点(1,3)且与原点距离为1的直线有2条.如图示:故答案为:2.【点评】本题考查两点间的距离公式,直线方程与点的距离的应用,考查分析问题解决问题的能力.15.【考点】73:一元二次不等式及其应用.【解答】解:关于x的不等式ax2+(a﹣1)x﹣1>0的解集为(﹣1,﹣),∴方程ax2+(a﹣1)x﹣1=0的实数根为﹣1和﹣,由根与系数的关系得,﹣1×(﹣)=﹣,解得a=﹣2.故答案为:﹣2.【点评】本题考查了一元二次不等式的解法与应用问题,也考查了根与系数的应用问题,是基础题目.16.【考点】8H:数列递推式.【解答】解:∵数列{a n}满足,①∴当n≥2时,仿仿写一个式子②①﹣②得,∴a n=2n+1n≥2,当n=1时,a1=6,∴{a n}的通项公式a n=故答案为:a n=【点评】本题考查递推式,仿写是解决本题的关键,注意题目最后对于首项的验证,当首项符合通项时,直接写出通项就可以,当不符合时要写成分段形式.三、解答题(共6小题,第17题10分,18至22题每题12分,共70分.解答应写出文字说明、证明过程或演算步骤.)17.【考点】LU:平面与平面平行;MJ:二面角的平面角及求法.【解答】解:(1)当D1在棱A1B1中点时,可使平面AC1D1∥平面CDB1,证明:设CB1∩C1B=O,连结OD,则O、D分别为C1B,AB的中点,所以OD∥AC1,点D是AB的中点,D1在棱A1B1中点,在直三棱柱ABC﹣A1B1C1,所以CD∥C1D1,∵AC1∩C1D1=C1,CD∩OD=D,所以平面AC1D1∥平面CDB1.(2)解:在平面ABC内,过点B作直线CD的垂线,记垂足为E,连接B1E,∠B1EB即为二面角B1﹣CD﹣B的平面角.由已知,结合勾股定理得△ABC为直角三角形,,从而==,二面角B1﹣CD﹣B大小的正切值为.【点评】本题考查直线与平面平行,平面与平面平行的判定定理的应用,二面角的平面角的求法,考查空间想象能力以及逻辑推理能力.18.【考点】IP:恒过定点的直线.【解答】解:由题意,分别令x=0,y=0,解得且k>0.(1)时,当且仅当时取等.所以S的最小值为4,此时直线l的方程为x﹣2y+4=0.(2)kx﹣y+1+2k=0(k∈R)(k>0),化为k(x+2)+1﹣y=0,令,解得x=﹣2,y=1.易得M(﹣2,1),∴,|MA||MB|=﹣=+2k≥2=4,当且仅当k=1时取到,的最小值为4.【点评】本题考查了直线的方程、基本不等式的性质,考查了推理能力与计算能力,属于中档题.19.【考点】L1:构成空间几何体的基本元素;LW:直线与平面垂直;MI:直线与平面所成的角.【解答】解:如图所示:记PD中点为E,易得EN平行且等于AM,(1)证明:如图,取PD的中点E,连结AE、EN,则有EN∥CD∥AM,且,∴四边形AMNE是平行四边形.∴MN∥AE.∵AE⊂平面P AD,MN⊄平面P AD,∴MN∥平面P AD;(2)易得∠CPD即为PC与面P AD所成角,,∴PC与面P AD所成角大小的正弦值为;(3)证明:∵P A⊥平面ABCD,CD⊂平面ABCD,ADC⊂平面ABCD.∴P A⊥CD,P A⊥AD,∵CD⊥AD,P A∩AD=A,∴CD⊥平面P AD,又∵AE⊂平面P AD,∴CD⊥AE,∵∠PDA=45°,E为PD中点,∴AE⊥PD,又∵PD∩CD=D,∴AE⊥平面PCD.∵MN∥AE,∴MN⊥平面PCD.【点评】本题考查线面平行,线面垂直的判定,考查学生分析解决问题的能力,属于中档题.20.【考点】9O:平面向量数量积的性质及其运算.【解答】解:,函数f(x)=,∴,(1)由,结合A,B,C为三角形内角得而.由正弦定理得,所以.(2)由时,,∴,.【点评】本题考查向量的数量积以及两角和与差的三角函数,正弦定理的应用,考查计算能力.21.【考点】HP:正弦定理.【解答】解:(1)由正弦定理,结合三角形中和差角公式得:,从而sin A cos B=4sin B cos A,即tan A:tan B=4;(2)由(1)知内角A、B均为锐角,如图所示过C作CD垂直于AB垂足为D.设|CD|=m,|AD|=n,由题意结合tan A:tan B=4,得:|BD|=4n,且m2+n2=b2=16,所以时,.故S△ABC的最大值为20.【点评】本题主要考查了正弦定理,余弦定理,基本不等式在解三角形中的应用,在解三角形时,正弦定理和余弦定理是最常用的方法,正弦定理多用于边角互化,使用时要注意一般是等式两边是关于三边的齐次式.22.【考点】8E:数列的求和;8H:数列递推式.【解答】解:(1)数列{a n}满足,可得:,设,数列{b n}是等差数列,公差为1,首项为1,所以b n=n;(2)易得,其前n项和:S n=1•21+2•22+3•23+…+n•2n…①,2S n=1•22+2•23+…+n•2n+1…②,②﹣①可得:S n=﹣1﹣22﹣23﹣…﹣2n+n•2n+1∴;(3)=,=或写成.【点评】本题考查数列通项公式的求法,数列求和的应用,考查计算能力.。
2016-2017学年四川省成都七中高一(下)期末英语试卷
2016-2017学年四川省成都七中高一(下)期末英语试卷第一部分听力(满分20 分)1.(1分)What are the speakers doing?A.Planning to see each other again.B.Saying goodbye to each other.C.Enjoying meeting each other for the first time.2.(1分)What time is it now?A.9:00.B.9:15.C.9:30.3.(1分)Why does the man have to work a lot?A.His partner quit his job.B.He needs more money.C.The company is getting new business.4.(1分)How does the woman feel about the man's idea?A.She is in favor of it.B.She doesn't really care.C.She is completely against it.5.(1分)What does the man mean?A.He will train the dog later.B.He will walk the dog anyway.C.He will stay away from the dog.6.(2分)听第6段材料,回答第6和7题.6.What does the man want to do according to the woman?A.Rent a car B.Live on an island C.Go to the desert 7.How does the man feel about the woman's dream?A.Uninterested B.Surprised C.Disappointed.7.(2分)听第7段材料,回答第8和9题.8.Why are there two parts of the final movie?A.It's based on two booksB.To make more moneyC.To increase its popularity9.What is true about the man?A.He was a fan of the other filmsB.He has read a book of Hunger GamesC.He was completely annoyed by the movie.8.(3分)听第8段材料,回答第10至12题.10.What is the condition of the house?A.It was repaired last weekB.The stove works wellC.There is no bathroom11.How long will the man probably live there?A.About three months B.About one year C.About three years12.What costs 50 dollars every month?A.The Internet service B.The water C.The electricity.9.(4分)听第9段材料,回答第13至16题.13.What is the woman writing?A.A paper for a history classB.Some math problemsC.A creative story14.What did the woman ask Professor Wilson for?A.More time B.Some advice C.Some books.15.What does the man do whenever he gets stuck?A.He just keeps goingB.He writes down all his thoughtsC.He does something totally different16.Where will the woman go next?A.To a supermarket B.To a jewelry store C.To a policestation.10.(4分)听第10段材料,回答第17至20题.17.What is the man's work most known for?A.It's stolen from others B.It's very serious C.It's quite funny18.Who was the main influence on the man's work?A.A singer B.His uncle C.His parents19.How did the man start his career?A.He told jokes at barsB.He made funny music videosC.He rewrote popular songs20.Where does the conversation probably take place?A.In a television studio B.In a recording studio C.On a theater stage.第二部分:阅读理解(共两节,满分40 分)第一节(共15 小题;每小题 2 分,满分30 分)阅读下列短文,从每题所给的四个选项(A、B、C 和D)中,选出最佳项,并在答题卡上将该项涂黑.11.(8分)Who are we and what do we do?Since National Theatre Live was launched in June 2009,we've broadcast more than forty productions live,from both the National Theatre and other theatres in the UK.Our broadcasts have now been experienced by over 5.5 million people in over 2,000 venues around the world,including over 650 venues in the UK alone.Past broadcasts from the National Theatre have included Danny Boyle's Frank enstein with Benedict Cumberbatch and Jonny Lee Miller;War Horse;Man and Superman with Ralph Fiennes.Broadcasts from other UK theatres include Coriolanus from the Donmar Warehouse;Macbeth from the Manchester International Festival;Our biggest single broadcastto date is Hamlet with Benedict Cumberbatch at the Barbican,which has been seen by over 550,000 people.How do we do it?Though each broadcast is filmed in front of a live audience in the theatre,cameras are carefully positioned throughout the theatre to ensure that cinema audiences get the"best seat in the house"view of each production.Where can you find us?The nearest venue to you is Emei 1958Cinema,located at No.360 Qingjiang Road East,Chengdu,China.What's on?Clicking"Book Now"will take you through to a third party site where you can complete your booking.21.What is the number of audience who have watched the National Theatre Live productions?A.Over 5.5 million.B.Over 2,000.C.Over 650.D.Over 550,000.22.Which of the following statements is true about Hamlet?A.It was performed at National Theatre.B.Barbican is one of the actors playing a role in it.C.It is Benedict Cumberbatch's biggest single broadcast.D.None of their other single broadcasts has been bigger than it.23.Which of the following productions can the audience in Chengdu enjoy this July?A.The Deep Blue Sea.B.War Horse.C.Macbeth.D.Man and Superman.24.Where is this passage likely from?A.A website.B.A theatre magazine.C.A textbook.D.A booklet.12.(8分)Which boy hasn't dreamed of being a cool secret agent?The wonderful fighting abilities and the world﹣saving adventures are much more colourful than most people's everyday lives.Well,Cody Banks is just like any other boy,except that he is not just dreaming.He has a big secret his friends never know about.He was trained to be a spy by a special CIA programme,which was made to look like a summer camp.He learned high﹣speed driving,hand﹣to﹣hand fighting and the use of high﹣tech tools.After proving he could become a young hero by saving a baby from a runaway car,Banks gets his first real task.He must make friends with a popular girl at school,Natalie Connors.Then,he must spy on her father,a scientist who has developed a dangerous technology.Banks must stop a group of bad people from forcing Natalie's father into us ing the technology to endanger the world.The CIA may have taught him first﹣class self﹣defence moves,but they didn't show him how to talk to girls.Banks has zero ability when it comes to dealing with girls.How can he get around his problem and get an invitation to the girl's upcoming birthday party?Will he finally become Natalie's boyfriend and find out whatever he can about her father's work?Agent Cody Banks has everything that young people are interested in:big explosions,breath﹣taking performances and funny girl﹣dating experiences.It was listed No.2in the American box office last week."This story is interesting and fun for the whole family to enjoy,and especially cool for young boys,"said Paul Perkins,a film reviewer in the US.25.What is Banks'first real task?A.To test a high﹣tech tool.B.To save a baby from a car.C.To study a new technology.D.To watch a scientist secretly.26.Banks wanted to go to Natalie's birthday party to.A.meet her father face to faceB.know more people in her familyC.find something about her father's workD.steal some information from her father27.What is considered as a great danger in the text?A.The technology developed by Natalie's father.B.An explosion set off by some bad people.C.The CIA's training of Banks for its tasks.D.Banks'stopping bad people.28.What is the purpose of the text?A.To make known the work of the CIA.B.To tell the story about a cool boy.C.To show the dark side of science.D.To introduce a new film.13.(6分)The World Meat Free Day for 2017falls on 12,June,but what would actually happen if the whole world suddenly went vegetarian (素食的)permanently?If vegetarianism were accepted by everyone by 2050,the world would have about seven million fewer deaths every year.No meat would lower the chances of some diseases or even some cancers and so save the world 2﹣3% global GDP in medical bills.Food﹣related emissions would drop by around 60%.This would be due to getting rid of red meat which come from methane (甲烷)producing livestock (家畜)﹣from people's diets.Turning former pastures (牧场)into native habitats and forests would slow climate change and bring back lost biodiversity,including someanimals which were previously pushed out or killed in order to keep cattle.However,farmers in the developing world could really suffer.Arid and semi﹣arid lands can only be used to raise animals as there's no or little water in these places,such as the Sahel land strip in Africa next to the Sahara;nomadic(游牧的)groups that keep livestock there would be forced to settle permanently and lose their cultural identities if there were no more meat.Losing meat also means that we also lose traditions.There's no more Christmas turkey.We would need to replace meat with nutritional substitutes,in particular for the world's estimated two billion﹣plus unhealthy or weak people for lack of nutrients.Animal products contain more nutrients per calorie than staples like grains and rice.Everybody currently engaged in the livestock industry would need to be retrained for a new career.This could be in agriculture,reforestation or producing bioenergy.Failing to provide career alternatives could lead to mass unemployment and social problems,particularly in traditionally rural communities.29.The passage is mainly about.A.what future life will be likeB.why there is a World Meat Free DayC.the influence of a meat free worldD.the positive and negative sides of our life30.In what way would people suffer from a vegetarian world?A.Famers'lands would become too dry to raise livestock.B.We would lose some traditions where meat is needed.C.All of us would be unhealthy and weak for lack of nutrients.D.Nomadic groups would keep their livestock where they settle.31.The underlined word"arid"in Paragraph 3 means"".A.dry B.wet C.hot D.cold.14.(8分)There is something very wrong with the system of values in a society that has only unkind terms like nerd and geek for the intellectually curious andacademically serious.We all know what a nerd is:someone who wears thick glasses and ugly clothes;someone who knows all the answers to the chemistry or math homework but can never get a date on a Saturday night.And a geek,according to Webster's New World Dictionary,is a street performer who shocks the public by biting off heads of live chickens.It is an obvious fact about our language and our culture that someone devoted to the pursuit (追求)of knowledge is compared to such a strange person.Even at a famous educational institution like Harvard,anti﹣intellectualism is widespread:Many students are ashamed to admit how much they study.The same thing happens in US primary and high schools.Enough is enough.The anti﹣intellectual values that have spread throughout American society must be fought.There are very few countries in the world where anti﹣intellectualism runs as high in popular culture as it does in the US.In most industrialized nations,especially in East Asia,a kid who studies hard is praised.But in America,average professional ballplayers are much more respected and better paid than professors of the best universities.How can a country where typical parents are ashamed of their children studying mathematics instead of going dancing be expected to compete in the technology race with Japan?How long can America remain a world﹣class power if we constantly put social skills and physical strength over academic achievement and intellectual ability?Do we really expect to take the lead largely by bringing in our scientists and intellectuals from abroad,as we have done for a major portion of this century without making an effort to also cultivate (培养)a pro﹣intellectual culture at home?32.The definition from the Webster's New World Dictionary is quoted to _.A.show that vocabulary use is always up﹣to﹣dateB.prove that words used in this article are accurateC.convince readers with reference from a dictionaryD.show that people look down upon those studying hard33.What can be learned from Paragraph 3and Paragraph 4?A.The US government doesn't mean to spend much money on education.B.Anti﹣intellectualism is not popular in industrialized countries in East Asia.C.Few students work hard for their grade in famous universities like Harvard.D.Professors earn more than professional basketball players on average in the US.34.What is probably the author's attitude towards the anti﹣intellectual values?A.Skeptical.B.Supportive.C.Concerned.D.Objective.35.What can be a suitable title for the text?A.America needs its nerds.B.Don't laugh at nerds.C.What is anti﹣intellectualism?D.Why does society avoid nerds?第二节(共 5 小题;每小题 2 分,满分10 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.选项中有两项为多余选项.15.(10分)Creativity is a skill that you can work on with time,training,and effort.There are many areas you can focus on to improve your overall creativity.(36)Doodle(信手涂鸦)in your spare time.Doodling can increase creativity by increasing your engagement with the world and attention span.(37)The more information you're able to absorb,the more creative you will be.Listen to music.Simply playing music in the background can inspire you creatively.It can help you focus better and increase your overall concentration.Classical music tends to work particularly well for creativity and concentration.(38)While classical music has beneficial effects for many,experiment a litt le to find the musicthat best helps you concentrate and feel creative.Play video games.(39)Interactive games that require movement help with creative thinking as they stimulate multiple senses.Things like Wii Tennis or Dance Dance Revolution would work well.Avoid games that require you to sit for long periods.Read more.Make a habit of reading regularly.Pick books from multiple types and styles of writing to expand your horizons and really cultivate your creativity.Try to make time to read every day.(40)This will help direct your reading if you're unsure what kinds of books to start with.A.Try joining a book club.B.Not every type of music works for everyone.C.Some video games are actually good for the creative mind.D.Creativity is really important to your life as well as to society.E.Video games do harm to our creativity instead of helping with it.F.The following are some creative approaches you can try involving yourself in.G.It helps you stay engaged during activities where you would otherwise zone out.第三部分:英语知识运用(共三节,满分55 分)第一节完形填空(共20 小题;每小题 1.5 分,满分30 分)阅读下面短文,掌握其大意,然后从41-60 各题所给的A、B、C、D 四个选项中,选出最佳选项.16.(30分)A young man was getting ready to graduate from college.For long he had (41) a fancy sports car in a shop.Knowing his father could(42)afford it,he told him(43)was all he wanted.As Graduation Day(44),the young man waited signs of buying the car.Finally,(45)the morning of his graduation,his father called him into his private study and told him how(46)he was to have such a fine son,and how much he loved him.Then he handed his son a beautiful wrapped(被包着的)gift box.Curious,but somewhat(47),the young man opened the box and found a lovely,leather﹣bound Bible,with his name carved in gold.(48),he shouted to his father"With all your money you give me a (49)?"and(50)out of the house,leaving the Bible.Many years passed and he had not seen his father(51)that graduation day.(52)his father was very old,he thought perhaps he should go home to see him.But(53)he could make the arrangements,he received a telegram telling him his father had(54).When he arrived,(55)sadness and regret filled his heart.He searched through his father's important papers and saw the still(56)Bible,just as he had left it years ago.With tears,he opened the Bible and began to turn(57).Suddenly,a car key dropped from the back of the Bible.It had a tag with the(58)of his graduation,and the words…"PAID IN FULL".How many times do we(59)blessings because they are not packaged as we expected?We don't realize the good fortune we have or we could have because we expect"the packaging"to be(60).41.A.accepted B.admired C.respected D.wished 42.A.hardly B.never C.greatly D.well 43.A.this B.that C.one D.which 44.A.passed B.went C.came D.approached 45.A.on B.in C.by D.to 46.A.wealthy B.proud C.great D.successful 47.A.disappointed B.delighted C.excited D.sad 48.A.Sadly B.Happily C.Gratefully D.Angrily 49.A.box B.book C.present D.praise 50.A.marched B.slipped C.stormed D.paced 51.A.since B.until C.at D.beyond 52.A.Realizing B.Seeing C.Hearing D.Feeling53.A.after B.before C.as D.when 54.A.died out B.passed by C.passed away D.died away 55.A.quick B.sudden C.mild D.little 56.A.new B.old C.beautiful D.cheap 57.A.the pages B.the cover C.the book D.the back 58.A.morning B.date C.place D.memory 59.A.understand B.avoid C.escape D.miss 60.A.true B.smart C.different D.cute第二节词汇测试(共10 小题;每小题 1 分,满分10 分)根据句意,从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.17.(1分)Michael Owen who was injured had to be off the field twenty minutes later.()A.substituted B.subjected C.stressed D.suffered18.(1分)A lot of small companies have been fighting for since Alibaba started the online shopping.()A.spirit B.survival C.strength D.sponsor19.(1分)As we all know,stories of love and adventure were popular the Middle Ages.()A.via B.throughout C.to D.under20.(1分)President Xi delivered a speech which mentioned the of Anti﹣Corruption Campaign in China uponthe 95th founding anniversary of CPC.()A.tendency B.timetable C.violence D.significance21.(1分)Because of the damage to their homes,many people had to stay in accommodation for a few months.()A.temporary B.subjective C.permanent D.tentative22.(1分)It's amazing!How can you a fake LV handbag from the real thing?()A.sort B.tick C.sniff D.tell23.(1分)The teaching facilities are and the learning environment is excellent in No.7High School.()A.specific B.superb C.systematic D.supreme24.(1分)On Thanksgiving Day,you should do something to thank your parents for their love.()A.unconditional B.vividC.unconscious D.theoretical25.(1分)The application of establishing the football league of No.7High was by those football lovers.()A.supplied B.submitted C.transported D.swapped26.(1分)The most unbelievable thing is that Wikileaks has got hold of some secret government documents.()A.simply B.sincerely C.somehow D.Yet第三节语法填空(共10 小题;每小题 1.5 分,满分15 分)阅读下面材料,在空白处填入适当的内容(1 个单词)或括号内单词的正确形式.27.(15分)Two weeks ago,we reported about developments with(71)(electricity)planes and flying cars.That technology could bring change to commercial and personal travel.Last week,two(72)(company),Kitty Hawk and Uber,announced their plans to bring flying cars to reality.Sooner(73)you think,flying cars may appear in the skies.Imagine never(74)(have)to worry about traffic,stoplights,or road construction.A flying car could get somewhere much faster than one traveling by road.Kitty Hawk is a start﹣up tech company supported by Google co﹣founder.Its first flying cars,(75)travel at a speed of up to 40 kilometers an hour,(76)(expect)to go on sale by the end of 2017.Uber expects to launch flying taxis in Texas and Dubai by 2020.(77)says its flying taxis could travel up to 241 kilometers an hour,with the travel time(78)(reduce)from 2 hours onthe road to 15 minutes in the air between San Francisco and San Jose,California.Riders could use the Uber app(79)(book)a flying taxi to take them to their destinations.It is estimated that flying taxi travel will be much(80)(expensive)compared with road taxi travel.第四部分:写作(共两节,满分35 分)第一节短文改错(共10 小题;每小题 1 分,满分10 分)28.(10分)假定英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文.文中共有10处语言错误,每句中最多有两处.每处错误仅涉及一个单词的增加、删除或修改.增加:在缺词处加一个漏字符号(∧),并在其下面写出该加的词.删除:把多余的词用斜线(\)划掉.修改:在错的词下划一横线,并在该词下面写出修改后的词.注意:1.每处错误及其修改均仅限一词;2.只允许修改10 处,多者(从第11 处起)不计分.Dear Bruce,I'm very excited to learn from that you will start an English magazine called New Babel.That sounds great and I definitely agree with you on that.Some of the columns mention in the letter are really my cup of tea."Cultural Express"gives us better understanding of the world.Unless people from different parts of the world have different value,it's necessary to learn from each other.Apart from that,"Thoughts"is pretty good for us Chinese students to open our minds and practice their critical thinking."Entertainment"is amazing!The stories about those popular celebrities are so attractively that we absolutely can't miss this part.As is often the case,teenagers were fond of popular things.Well,I can't list less.I really look forward to read this magazine.Yours,Thomas.第二节书面表达(满分25 分)29.(25分)你是高一年级的张洋,你的外教Anne 打算暑假期间在四川旅游,请你给他写封邮件,内容包括:1.推荐两个旅游目的地,并分别阐述理由;2.感谢他一年来的教学;3.期待下期的学习.注意:1.词数:100 左右;2.可以适当增加细节,以使行文连贯.Dear Anne,Glad to know that you are planning a trip around Sichuan this summer vacation.Best wishes!Yours,Zhang Yang.2016-2017学年四川省成都七中高一(下)期末英语试卷参考答案与试题解析第一部分听力(满分20 分)1.(1分)What are the speakers doing?A.Planning to see each other again.B.Saying goodbye to each other.C.Enjoying meeting each other for the first time.【解答】B2.(1分)What time is it now?A.9:00.B.9:15.C.9:30.【解答】A3.(1分)Why does the man have to work a lot?A.His partner quit his job.B.He needs more money.C.The company is getting new business.【解答】A4.(1分)How does the woman feel about the man's idea?A.She is in favor of it.B.She doesn't really care.C.She is completely against it.【解答】C5.(1分)What does the man mean?A.He will train the dog later.B.He will walk the dog anyway.C.He will stay away from the dog.【解答】B6.(2分)听第6段材料,回答第6和7题.6.What does the man want to do according to the woman?A.Rent a car B.Live on an island C.Go to the desert 7.How does the man feel about the woman's dream?A.Uninterested B.Surprised C.Disappointed.【解答】AB7.(2分)听第7段材料,回答第8和9题.8.Why are there two parts of the final movie?A.It's based on two booksB.To make more moneyC.To increase its popularity9.What is true about the man?A.He was a fan of the other filmsB.He has read a book of Hunger GamesC.He was completely annoyed by the movie.【解答】BA8.(3分)听第8段材料,回答第10至12题.10.What is the condition of the house?A.It was repaired last weekB.The stove works wellC.There is no bathroom11.How long will the man probably live there?A.About three months B.About one year C.About three years12.What costs 50 dollars every month?A.The Internet service B.The water C.The electricity.【解答】BCA9.(4分)听第9段材料,回答第13至16题.13.What is the woman writing?A.A paper for a history classB.Some math problemsC.A creative story14.What did the woman ask Professor Wilson for?A.More time B.Some advice C.Some books.15.What does the man do whenever he gets stuck?A.He just keeps goingB.He writes down all his thoughtsC.He does something totally different16.Where will the woman go next?A.To a supermarket B.To a jewelry store C.To a police station.【解答】CACB10.(4分)听第10段材料,回答第17至20题.17.What is the man's work most known for?A.It's stolen from others B.It's very serious C.It's quite funny18.Who was the main influence on the man's work?A.A singer B.His uncle C.His parents19.How did the man start his career?A.He told jokes at barsB.He made funny music videosC.He rewrote popular songs20.Where does the conversation probably take place?A.In a television studio B.In a recording studio C.On a theater stage.【解答】CBCA第二部分:阅读理解(共两节,满分40 分)第一节(共15 小题;每小题 2 分,满分30 分)阅读下列短文,从每题所给的四个选项(A、B、C 和D)中,选出最佳项,并在答题卡上将该项涂黑.11.(8分)Who are we and what do we do?Since National Theatre Live was launched in June 2009,we've broadcast more than forty productions live,from both the National Theatre and other theatres in the UK.Our broadcasts have now been experienced by over 5.5 million people in over 2,000 venues around the world,including over 650 venues in the UK alone.Past broadcasts from the National Theatre have included Danny Boyle's Frank enstein with Benedict Cumberbatch and Jonny Lee Miller;War Horse;Man and Superman with Ralph Fiennes.Broadcasts from other UK theatres include Coriolanus from the Donmar Warehouse;Macbeth from the Manchester International Festival;Our biggest single broadcast to date is Hamlet with Benedict Cumberbatch at the Barbican,which has been seen by over 550,000 people.How do we do it?Though each broadcast is filmed in front of a live audience in the theatre,cameras are carefully positioned throughout the theatre to ensure that cinema audiences get the"best seat in the house"view of each production.Where can you find us?The nearest venue to you is Emei 1958Cinema,located at No.360 Qingjiang Road East,Chengdu,China.What's on?Clicking"Book Now"will take you through to a third party site where you can complete your booking.21.What is the number of audience who have watched the National Theatre Live productions?AA.Over 5.5 million.B.Over 2,000.C.Over 650.D.Over 550,000.22.Which of the following statements is true about Hamlet?DA.It was performed at National Theatre.B.Barbican is one of the actors playing a role in it.C.It is Benedict Cumberbatch's biggest single broadcast.D.None of their other single broadcasts has been bigger than it.23.Which of the following productions can the audience in Chengdu enjoy this July?DA.The Deep Blue Sea.B.War Horse.C.Macbeth.D.Man and Superman.24.Where is this passage likely from?AA.A website.B.A theatre magazine.C.A textbook.D.A booklet.【解答】21.A.细节理解题.根据第二段Our broadcasts have now been experienced by over 5.5 million people in over 2,000 venues around the world,including over 650 venues in the UK alone可知观看国家剧院现场演出的观众人数超过550万人;故选A.22.D.细节理解题.根据文章Our biggest single broadcast to date is Hamlet with Benedict Cumberbatch at the Barbican,which has been seen by over 550,000 people可知最大的单一广播的日期是在巴比由肯本尼迪克特•康伯巴奇演出的哈姆雷特;故选D.23.D.细节理解题.根据图片可知Man and Superman在2017年7月23日上映;故选D.24.A.推理判断题.根据最后一段Clicking"Book Now"will take you through to a third party site where you can complete your booking可知文章最有可能来自于网站;故选A.12.(8分)Which boy hasn't dreamed of being a cool secret agent?The wonderful fighting abilities and the world﹣saving adventures are much more colourful than most people's everyday lives.Well,Cody Banks is just like any other boy,except that he is not just dreaming.He has a big secret his friends never know about.He was trained to be a spy by a special CIA programme,which was made to look like a summer camp.He learned high﹣speed driving,hand﹣to﹣hand fighting and the use of high﹣tech tools.After proving he could become a young hero by saving a baby from a runaway car,Banks gets his first real task.He must make friends with a popular girl at school,Natalie Connors.Then,he must spy on her father,a scientist who has developed a dangerous technology.Banks must stop a group of bad people from forcing Natalie's father into us ing the technology to endanger the world.The CIA may have taught him first﹣class self﹣defence moves,but they didn't show him how to talk to girls.Banks has zero ability when it comes to dealing with girls.How can he get around his problem and get an invitation to the girl's upcoming birthday party?Will he finally become Natalie's boyfriend and find out whatever he can about her father's work?Agent Cody Banks has everything that young people are interested in:big explosions,breath﹣taking performances and funny girl﹣dating experiences.Itwas listed No.2in the American box office last week."This story is interesting and fun for the whole family to enjoy,and especially cool for young boys,"said Paul Perkins,a film reviewer in the US.25.What is Banks'first real task?DA.To test a high﹣tech tool.B.To save a baby from a car.C.To study a new technology.D.To watch a scientist secretly.26.Banks wanted to go to Natalie's birthday party to C.A.meet her father face to faceB.know more people in her familyC.find something about her father's workD.steal some information from her father27.What is considered as a great danger in the text?AA.The technology developed by Natalie's father.B.An explosion set off by some bad people.C.The CIA's training of Banks for its tasks.D.Banks'stopping bad people.28.What is the purpose of the text?DA.To make known the work of the CIA.B.To tell the story about a cool boy.C.To show the dark side of science.D.To introduce a new film.【解答】25.D.细节理解题.根据文章第二段2,3行He must make friends with a popular girl at school,Natalie Connors.Then,he must spy on her father,a scientist who has developed a dangerous technology(技术)可知他的任务就是监视Natalie Connors的父亲.防止坏人利用他的技术危害人类.故D正确.26.C.细节理解题.根据文章第二段He must make friends with a popular girl at。
成都七中2016-2017学年度下期高2019届期末考试英语试卷(含答案)
成都七中2016-2017学年度下期高2019届期末考试英语试卷考试时间:120分钟满分:150分注意事项:1、本试卷分第I卷(选择题)和第II卷(非选择题)两部分。
2、考生务必将自己的姓名、考号填写在答题卡上。
3、作答时,将答案写在答题卡上。
写在本试卷和草稿纸上无效。
4、考试结束后,只将答题卡交回。
第Ⅰ卷(选择题共100分)第一部分:听力(共两节,满分20分)第一节(共5小题;每小题1分,满分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。
听完每段对话后,你都有10秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
1. What are the speakers doing?A. Planning to see each other again.B. Saying goodbye to each other.C. Enjoying meeting each other for the first time.2. What time is it now?A. 9:00.B. 9:15.C. 9:30.3. Why does the man have to work a lot?A. His partner quit his job.B. He needs more money.C. The company is getting new business.4. How does the woman feel about the man’s idea?A. She is in favor of it.B. She doesn’t really care.C. She is completely against it.5. What does the man mean?A. He will train the dog later.B. He will walk the dog anyway.C. He will stay away from the dog.第二节(共15小题;每小题1分,满分15分)听下面5段对话或独白。
四川省成都市第七中学2016-2017学年高一下学期期末考试化学试题(Word版)
成都七中2016-2017学年度下期高一年级期末考试化学试卷注意:请各位同学将答案写在题号前!可能用到的相对原子质量:H-1 C-12 N-14 O-16 Al-27 Cl-35.5 K-39 Cu-64第Ⅰ卷(选择题共40分)一.选择题(每题只有一个选项符合题意,每小题2分,共40分)1.化学与生活、社会发展息息相关。
下列说法不正确的是A.乙醇和醋酸可用作厨房调味剂B.乙醇用作医用消毒剂时,无水乙醇消毒效果最好C.用浸有酸性高锰酸钾溶液的硅藻土作水果保鲜剂D.用天然气代替煤作燃料可减少大气污染2.下列说法正确的是A.人造纤维、合成橡胶和光导纤维都属于有机高分子化合物B.可用焦炭或一氧化碳还原氧化铝的方法来冶炼铝C.用电解NaCl溶液的方法来冶炼金属钠D.回收旧金属可以重新制成金属或它们的化合物3.下列化学用语表达正确的是A.HBr的电子式:B.16S的原子结构示意图:C.葡萄糖的最简式:CH2O D.HClO结构式:H-Cl-O4.下列有关海水综合利用的说法中,不正确的是A.海水中含有钾元素,可以在加热条件下用H2或CO还原KCl固体得到钾单质B.用氯气从海水中提取溴的关键反应是:Cl2+2Br-2Cl-+Br2C.海水中的Na+、Cl-结晶形成NaCl的过程,形成了化学键D.从海水中可以得到氯化镁,再经过电解可制金属镁5.下列与有机物结构、性质相关的叙述错误的是A.苯不能使溴的四氯化碳溶液褪色,说明苯分子中没有乙烯分子中类似的碳碳双键B.蛋白质和油脂都属于高分子化合物,一定条件下都能水解C.甲烷和氯气反应生成一氯甲烷与苯和硝酸反应生成硝基苯的反应类型相同D.乙酸分子中含有羧基,可与NaHCO3溶液反应生成CO26.NA代表阿伏加德罗常数的值。
下列说法不正确的是A.3.9g金属钾完全反应生成K2O2和K2O的混合物时,失去的电子数目一定是0.1NAB.0.1mol11B与0.1mol10Be均含有0.6NA个中子C.1.8g D2O与T2O的混合物共含电子数目为NAD.标准状况,4.48L NH3中含共价键数目为0.6NA7.已知苯乙烯的结构为。
2016-2017学年四川省成都七中高一(下)期末物理试卷(解析版)
2016-2017学年四川省成都七中高一(下)期末物理试卷一、单项选择题(本题包括8个小题,每小题4分,共32分)1.(4分)若航天飞机在一段时间内保持绕地心做匀速圆周运动,则()A.航天飞机所做的运动是匀变速曲线运动B.航天飞机的速度大小不变,加速度等于零C.航天飞机的动能不变,动量时刻变化D.航天飞机不断地克服地球对它的万有引力做功2.(4分)把动力装置分散安装在每节车厢上,使其既具有牵引动力,又可以载客,这样的客车车厢叫做动车.而动车组是几节自带动力的车厢(动车)加几节不带动力的车厢(也叫拖车)编成一组.假设动车组运行过程中受到的阻力与其所受重力成正比,每节动车与拖车的质量都相等,每节动车的额定功率都相等.若2节动车加6节拖车编成的动车组的最大速度为120km/h,则9节动车加3节拖车编成的动车组的最大速度为()A.120km/h B.240km/h C.360km/h D.480km/h3.(4分)如图,光滑圆轨道固定在竖直面内,一质量为m的小球沿轨道做完整的圆周运动.已知小球在最低点时对轨道的压力大小为N1,在高点时对轨道的压力大小为N2.重力加速度大小为g,则N1﹣N2的值为()A.3mg B.4mg C.5mg D.6mg4.(4分)在距地面高为h处,同时以相等的初速度V0分别平抛、竖直上抛、竖直下抛一质量相等的物体m,当它们从抛出到落地时,比较它们的动量的增量△P,有()A.平抛过程△P较大B.竖直上抛过程△P较大C.竖直下抛过程△P较大D.三者一样大5.(4分)已知一质量为m的物体静止在北极与赤道对地面的压力差为△N,假设地球是质量分布均匀的球体,半径为R.则地球的自转周期为()A.T=2πB.T=2πC.T=2πD.T=2π6.(4分)如图,一质量为m,长度为l的均匀柔软细绳PQ竖直悬挂.用外力将绳的下端Q缓慢地竖直向上拉起至M点,M点与绳的上端P相距l.重力加速度大小为g.在此过程中,外力做的功为()A.mgl B.mgl C.mgl D.mgl7.(4分)一小物块沿斜面向上滑动,然后滑回到原处。
