期末综合练习试题(一)
九年级上数学期末综合练习(1-4)

九年级数学期末综合练习1班级 学号 姓名 成绩一、填空题:1、如图,已知方格纸中是4个相同的正方形,则∠1+∠2+∠3= 。
2、一根蜡烛在凸透镜下成一实像,物距u ,像距v 和凸透镜的焦距f 满足关系式:111u v f+=。
若f =6cm ,v =8cm ,则物距u = 厘米。
3、正方形ABCD 内接于⊙O ,E 为DC 的中点,如果⊙O 2,则O 点到直线BE 的距离为______。
4、关于x 的方程2210x k x +-=有两个不相等的实数根,则k 的取值范围是 。
5、顶点为(-2,-5)且过点(1,-14)的抛物线的解析式为 。
6、将抛物线22(3)5y x =---向左平移2个单位,再向上平移3个单位,则其顶点为 。
二、选择题:7、如图,图中的两个转盘分别被均匀地分成5个和4个扇形,每个扇形上都标有数字,同时自由转动两个转盘,转盘停止后,指针都落在奇数上的概率是( ) A 、0.4 B 、0.3 C 、0.2 D 、0.158、抛物线24y x x c =-++的顶点在x 轴上,则c 的值为( ) A 、16 B 、-16 C 、4 D 、-49、已知21,x x 是方程22310x x --=的两个根,那么2111x x +等于( ) A 、3 B 、3- C 、31 D 、 31- 10、一个圆锥的侧面展开图是一个半径为6cm 的半圆,则此圆锥的底面半径是( ) A 、23cm B 、2cm C 、3cm D 、6cm. 11、在ΔABC 中,∠A=30º,∠B=60º,AC=6,则ΔABC 的外接圆的半径为( ) A 、23 B 、33 C 、3 D 、 312、如果两圆半径为R 、r ,圆心距为d ,且R 、r 、d 满足关系式2222R d Rd r +=+,则两123453489123圆位置关系是( ) A 、外切 B 、内切 C 、相切 D 、相交 三、解答题: 13、先化简后求值:)252(23--+÷--x x x x ,其中22x = 14、如图,在□ABCD 中,点E 、F 在BD 上,且BF =DE 。
【5套打包】人教版小学一年级数学上期末考试单元综合练习题(含答案解析)(1)

一年级上册数学试题 - 期末过关检测卷|人教新课标(含答案)一、算一算。
(1 题 12 分, 2 题 4 分,共 16 分)1.2.猜字谜,填一填。
+9=13 8+=1517-=813-=4+3二、填一填。
(3 题 3 分,其余每空 1 分,共 40 分)1.数一数。
2.3.4.(1)2 个十是 (),18里面有 ()个十和 ()个一。
(2)和14 相邻的数是()和()。
(3)9 个一和1 个十合起来是()。
5.11的前方一个数是(),后边一个数是()。
6.写出 1 小时后的时间。
7.在里填上“>”“<”或“=”。
105+619-8 113+66+39+86+88.(1)右图中一共有 ()种物件。
(2)的()面是,的()面是。
(3)的()边是,()边是。
9.里最大能填几?8+<1519->912+<18-2<17 10.要拼成一个大正方体,下面的图形起码还需要()个。
三、选一选。
(每题 2 分,共 10 分)1.13 和 15 之间的数是 ()。
① 12② 14③ 16④ 172.爸爸睡觉的时间是 ()。
①8时②9时③10时④11时3.从 8 数到 15,一共数了 ()个数。
①6②7③8④94.原定礼拜一开运动会,现推延 2 天开,开运动会是礼拜 ()。
①六②日③二④三5.起码用 ()个相同的小正方体能够拼成一个较大的正方体。
①4②6③8④9四、看图列式计算。
(每题 3 分,共 12 分)1. 2.=(本)=(颗)3. 4.=(只) .=(只)五、解决问题。
(1,2,3 题每题 4 分, 4 题 10 分,共 22 分)1.本来有多少个松果?=(个) 2.今日来了 18 个同学,每个同学一个,还差多少个?=(个)3.她可能买了多少支笔?=(支)4.(1)一共有几个小鸡?方法一:=(只)方法二:=(只)(2)请你再提出一个数学识题,并解答。
答案一、 1.11 15 168 18 1010 13 1210 14112.4796二、 1.9162082.891314171819203.75491(后四空答案不独一 )4.(1)2018(2)1315(3)195.10126.2:00 11:00 12:007.<==>8.(1)9 (2)下上(3)左右9.6 9 51810.3三、 1.② 2.③ 3.③ 4.④ 5.③四、 1.13-3=10(本)2.9+6=15(颗)3.3+3+2=8(只)4.6-3+4=7(只)五、 1.6+8=14(个)2.18-8=10(个)3.5+9=14(支)(答案不独一 )4.(1)方法一: 5+2=7(只)方法二:3+4=7(只)(2)略一年级上册试题 - 期末模拟卷 - 人教新课标(含答案) (6)一.选择题(共 5题,共 10分)1. “4 4=0”,在里应填的运算符号是()A.+B.-C.×D.÷2. 看图,一人一块糖,应当准备()A.7 块B.8 块C.9 块D.10 块3.12-8-4=()A.8B.18C.0D.44. 某班共有11 人,人人参加比赛,参加数学比赛的有 4 人,参加作文比赛的有9 人,那么有()A. 1 人既参加数学比赛又参加作文比赛.B. 2 人既参加数学比赛又参加作文比赛.C. 3 人既参加数学比赛又参加作文比赛.D. 4 人既参加数学比赛又参加作文比赛.5. 看图列式计算 , 正确的选项是()A. 15- 10=5(个)B.15-5=10( 个)C. 15+5=20( 个) D. 10-5=5(个)二.判断题(共 4题,共 8分)1.下面的题计算得对吗?对的画“√”,错的画“×”,并在横线上写出正确的得数 .13-5-4=5()_______________2.7+6-8=5 ()3.7+6-7+6=0()4.7+6>7-6 。
【5套打包】九江市小学四年级数学上期末考试单元综合练习题(解析版)(1)

四年级上册数学期末检测一.填空.1.600公顷=平方千米80000平方米=公顷2.中国历代长城总长度约为二千一百一十九万六千一百八十六米,划线部分的数写作,其中“2”在位上,表示个.3.2017年,广州地铁完成新线建设投资21700000000,日均客运量超过7670000人次.划线部分的数改写成用“万”或“亿”作单位的数是亿元,万人次.4.请把下面各数按从大到小的顺序排起来.680129067012906701029067001209>>>5.984273900用“四舍五入法”省略万位后面的尾数约是万,省略亿位以后的尾数约是亿.6.图中一共有组平行线;量一量∠1=°,∠2=°.7.已知∠2=60°,那么∠3=°,∠4=°.8.如图这块长方形绿地的宽要增加到24米,长不变.扩大后的绿地面积是平方米.二、判断下面各题,对的在()里打“v“,错的打“ד9.与100万相邻的两个数是10万和1000万.(判断对错)10.广州市越秀山占地面积约为86万平方干米.(判断对错)11.两个锐角拼成的角一定是钝角.(判断对错)12.学校清洁队有员工12人,负责清扫近400平方米的校园.这里的“12”是近似数.(判断对错)13.长方形和正方形都是特殊的平行四边形.(判断对错)三、选择正确答案的序号填在()里.14.一辆汽车的速度是85千米/时,4小时可以行驶多少千米?解答这道题目用到的数量关系是()A.路程÷时间=速度B.总价=数量×单价C.速度×时间=路程15.如图中,互相垂直的直线一共有()组.A.4B.3C.216.下列各数中,只读一个“零”的是()A.1702500B.1072050C.170200517.陈叔叔在跑道上画了一条长10米的()A.线段B.射线C.直线18.下面算式中()与240÷120的得数不相等.A.250÷130B.480÷240C.2400÷1200四、计算题19.直接写出计算结果.60÷10=400÷5013×20=500×14=80÷40=18×2=450÷90=3×26=20.用竖式计算下面各题,带★的要验算267×83=802×40=722÷38=★904÷24=7900÷600=五、操作题.21.画一个75°的角.22.画出如图图形底边上的高.23.如图是一个长方形的两条边,请把这个长方形画完整.24.开明书屋今天售出的部分图书数量如下表:(1)请根据上表,把下面的统计图补充完整.(2)图中每格代表本,售出的最多,最少.六、解决问题25.图书馆买回一批书,每个书架可以放130本书,放了12个书架,还剩250本,这批书一共有多少本?26.齐星果园里共有800棵果树,其中苹果树有100棵,其余全部是梨树.这些梨树种植了28行,平均每行有多少棵梨树?27.学校组织540名学生去植树,平均分成9个小队,每个小队分成12小组,平均每组有多少人?28.珠江夜游“广州财富号”游船的票价如下表.王阿姨带的钱刚好购买24张3楼大厅的船票.如果购买1楼大厅的船票,最多能买几张?2018-2019学年广东省广州市海珠区四年级(上)期末数学试卷参考答案与试题解析一.填空.1.【解答】解:600公顷=6平方千米80000平方米=8公顷故答案为:6,8.2.【解答】解:中国历代长城总长度约为二千一百一十九万六千一百八十六米,划线部分的数写作21196186,其中“2”在千万位上,表示2个千万.故答案为:21196186,千万,2,千万.3.【解答】解:2017年,广州地铁完成新线建设投资21700000000,日均客运量超过7670000人次.划线部分的数改写成用“万”或“亿”作单位的数是217亿元,767万人次.故答案为:217,767.4.【解答】解:67010290>67001209>6801290>6701290故答案为:67010290、67001209、6801290、6701290.5.【解答】解:984273900用“四舍五入法”省略万位后面的尾数约是98427万,省略亿位以后的尾数约是10亿.故答案为:98427,10.6.【解答】解:图中一共有2组平行线;量一量∠1=60°,∠2=120°;故答案为:2,60,120.7.【解答】解:因为∠2=60°,所以∠3=90°﹣60°=30°,∠4=180°﹣30°=150°.故答案为:30;150.8.【解答】解:根据积的变化规律可得:一个因数不变,另一个因数扩大或缩小多少倍(0除外),积也会随之扩大或缩小相同的倍数24÷8=3(倍)400×3=1200(平方米)答:扩大后的绿地面积是1200平方米.故答案为:1200.二、判断下面各题,对的在()里打“v“,错的打“ד9.【解答】解:1000000﹣1=999999,1000000+1=1000001,所以与100万相邻的两个数是999999和1000001,所以本题说法错误;故答案为:×.10.【解答】解:广州市越秀山占地面积约为86万平方米或者86公顷,而不是86万平方干米;原题说法错误.故答案为:×.11.【解答】解:锐角是小于90度的角,钝角是大于90度的角而小于180度的角,所以两个锐角的可能组成钝角,还可能是锐角和直角;所以“两个锐角拼成的角一定是钝角”的说法是错误的.故答案为:×.12.【解答】解:学校清洁队有员工12人,负责清扫近400平方米的校园.这里的“12”是准确数;故答案为:×.13.【解答】解:长方形和正方形都是特殊的平行四边形.故答案为:√.三、选择正确答案的序号填在()里.14.【解答】解:85×4=340(千米)答:4小时可以行驶340千米.用到的关系式是速度×时间=路程.故选:C.15.【解答】解:如图中,互相垂直的直线一共有3组.故选:B.16.【解答】解:A、1702500读作:一百七十万两千五百,不读零;B、1072050读作:一百零七万两千零五十,读两个零;C、1702005读作:一百七十万两千零五,读一个零;17.【解答】解:直线和射线是无限长,没有长度;线段是有限的,所以陈叔叔在跑道上画了一条长10米的线段.故选:A.1四年级上册数学试题期末数学试卷全国通用(含答案)一、解答题(共1小题,满分6分)1.(6分)直接写得数.40×10=100÷20=20×13=140÷70=80÷10=25×30=200÷20=70×20=180÷30=50×40=450÷50=30×80=二、填空.(共23分)2.(2分)把3厘米长的线段向两端无限延长,得到的是一条,把一端无限延长,得到的是一条.3.(4分)(1)“移动支付”被誉为中国新“四大发明”之一.据统计,2018年第一季度移动支付业务达到10943000000笔,横线上的数读作.改写成用“亿”作单位的数是亿.(2)2018年秋季,我区公办学校共有六万七千二百一十八名中小学生.横线上的数写作,省略“万”以后的尾数,改写成以“万”作单位的数是万.4.(2分)在横线里填上适当的单位名称.(1)郑州园博园的占地面积是119.(2)航空港区的规划面积是415.5.(2分)(1)两数相除,被除数和除数同时乘2,商;(2)两数相除,被除数除以3,要使商不变,除数应该.6.(3分)308÷28,可以把28看作来试商,商是位数.7.(2分)在算盘上拨数字7,上珠应该拨颗,下珠拨颗.8.(4分)比直角多30°的角是角,它比平角少°.比周角少°.9.(4分)在〇里填上“>”“<”或“=”.507039〇507309260800〇27万600000000〇6亿三、选择.(将正确答案的序号填在括号里)(10分)10.(2分)37005609最高位的计数单位是()A.千万位B.千万C.百万11.(2分)这几个算式的商都是()A.7B.8C.912.(2分)角的度量单位是()A.1°B.10°C.0°13.(2分)关于平行四边形和梯形,下列说法正确的是()A.平行四边形和梯形都容易变形B.平行四边形和梯形都有无数条高C.梯形是特殊的平行四边形14.(2分)下列说法正确的是()A.永不相交的两条直线互相平行B.两条直线不平行就相交C.两条直线相交成直角,这两条直线互相垂直四、计算.(21分)15.(13分)笔算下面各题,带★请验算.128×25=510÷17=458÷52=★204×37=16.(4分)下面是小丽计算638÷72的过程,请你检查一下,她做的对吗?为什么?如果不对,请改正过来.17.(2分)想一想,填一填.18.(2分)根据240×3=720填空.24×3=240×30=240×6=×3=120五、动手操作.(10分)19.(7分)小东家的梯子少了一根梯梁,哥哥用一根木头把梯子整修了一下(如图).完整的梯子中AB和CD应该是什么位置关系?图中这个梯子中AB和CD是这样的位置关系吗?请动手验证,并叙述结论.六、解决问题.(30分)20.(6分)李老师为参加合唱的38名教师购买演出服装.每套衣服122元,(1)一共需要多少钱?(2)李老师带了5000元钱,够吗?21.(5分)学校礼堂每排可以坐24人,四年级共有220名学生,可以坐满几排?还剩几人?22.(6分)改革开放40年,我国居民出行方式发生巨大的改变,从步行到自行车,再到私家车,从普通列车、快速列车到高速列车.以前乘坐普通列车从郑州到广州要一天一夜还多,乘坐快速列车大约需要20小时,现在乘坐高速列车,大约6时就到达广州了.(1)高速列车平均每小时大约行290千米,郑州到广州的高铁线路长大约多少千米?(2)观察如图的铁路路线图,请你估一估,乘坐12:34的高铁从郑州东站出发,14:34会到达长沙吗?为什么?23.(5分)除了出行方式的改变,我国交通基础设施建设也取得了巨大成就,从普通公路到高速公路,逢山开路,遇水架桥,“中国桥、中国隧”成为展示中国形象的新品牌.2018年港珠澳大桥的通车,更是成为现代世界七大奇迹之一.原来从珠海到香港走陆地,需要3个多小时,现在只需要30分钟,使三地居民的交流更便捷.华侨小学5名老师带领20名四年级学生,乘坐港珠澳大桥穿梭巴士,从珠海到香港进行传统文化交流,他们计划早上8:00过关去香港.根据下面价格表,这次他们买巴士票共需要多少钱?24.(8分)阳光小学学生周末活动时间调查结果.阳光小学学生周末活动时间统计图(1)请完成上面的条形图.(2)每格代表分钟.(3)从图中你发现了哪些信息?请写出两条.(4)根据这些信息,你想说点什么?2018-2019学年河南省郑州市四年级(上)期末数学试卷参考答案与试题解析一、解答题(共1小题,满分6分)1.【解答】解:40×10=400100÷20=520×13=260140÷70=280÷10=825×30=750200÷20=1070×20=1400180÷30=650×40=2000450÷50=930×80=2400二、填空.(共23分)2.【解答】解:把3厘米长的线段向两端无限延长,得到的是一条直线,把一端无限延长,得到的是一条射线.故答案为:直线,射线.3.【解答】解:(1)10943000000读作:一百零九亿四千三百万,10943000000≈109亿.(2)六万七千二百一十八写作:6721867218≈7万故答案为:一百零九亿四千三百万,109亿;67218,7.4.【解答】解:(1)郑州园博园的占地面积是119 公顷.(2)航空港区的规划面积是415 平方千米.故答案为:公顷,平方千米.5.【解答】解:根据商不变的性质可知,(1)两数相除,被除数和除数同时乘2,商不变;(2)两数相除,被除数除以3,要使商不变,除数应该除以3.故答案为:不变,除以3.6.【解答】解:计算308÷28时,可以把28看作30来试商;因为30>28,所以商是两位数;故答案为:30,两.7.【解答】解:算盘中一个上珠代表5,一个下珠代表1,所以在算盘上拨数字7,上珠应该拨1颗,下珠拨2颗.故答案为:1,2.8.【解答】解:90+30=120(度),120度的角是钝角;180﹣120=60(度),360﹣120=240(度),即:比直角多30°的角是钝角,它比平角少60°.比周角少240°.故答案为:钝,60,240.9.【解答】解:507039<50730980000>79999260800<27万600000000=6亿故答案为:<、>、<、=.三、选择.(将正确答案的序号填在括号里)(10分)10.【解答】解:37005609最高位的计数单位是千万;故选:B.11.【解答】解:故选:C.12.【解答】解:角的度量单位是1°;故选:A.13.【解答】解:A、平行四边形和梯形都容易变形,说法错误,因为梯形不容易变形;B、平行四边形和梯形都有无数条高,说法正确;C、梯形是特殊的平行四边形,说法错误;故选:B.14.【解答】解:A、在同一平面内,永不相交的两条直线互相平行,所以本选项说法错误;B、两题直线不平行就相交,说法错误,前提是“同一平面内”;C、两条直线相交成直角,这两条直线互相垂直,说法正确;故选:C.四、计算.(21分)15.【解答】解:(1)128×人教版小学四年级数学上册期末测试卷及答案一、填空1.两条直线相交,如果一个角是锐角,那么其余3个角中必须有锐角,个钝角.2.一块长方形草地的面积是98平方米,如果长不变,将宽扩大到原来的2倍,草坪的面积变成平方米.3.一个长方形花坛,如果将长和宽都扩大到原来的2倍,那么面积扩大到原来的倍.4.统计图是最容易看出各种数量的多少.5.长方形的互相垂直,互相平行.6.当钟面上分针走了1分钟,秒针旋转的角是度.7.分针走一小时,在钟面上转的角是度,这个角是角.8.一副三角尺中,最大的角是角,最小的角是角,最大角和最小角可以拼成一个角.9.一个数由6个一、28个百万和30个亿组成,这个数写作省略“万”位后面的尾数约是.10.直线上两点之间的一段叫.11.等腰梯形的和互相平行,相等.12.将6写在百万位上比写在百位上多.13.在452的后面添上个0,就是4520万;在5和2之间添上0,才能成为五百万零二.14.如图所示中,平行四边形AB边上的高是厘米.二、判断15.小于180度的角叫钝角.(判断对错)16.三个角组成一个平角,这三个角一定都是锐角..(判断对错)17.有两个数级的数一定是八位数.(判断对错)18.直角三角形的两条直角边是互相垂直的(判断对错)19.两条直线互相垂直是两条直线相交的一种特殊情况..(判断对错)20.3时30分时,时针与分针成直角..(判断对错)21.只要不相交就一定是平行线..(判断对错)22.除数是一位数或两位数的除法,都要从被除数的最高位除起.23.直角梯形只有一个直角,但他有无数条高.(判断对错)24.三位数除以两位数,商可以是三位数.(判断对错)25.甲数除以乙数,商是5,没有余数,那么甲数一定是乙数的5倍.(判断对错)三、选择26.有一个角是直角的平行四边形是()A.长方形B.三角形C.梯形27.10点半时,时针与分针所成角()A.180度B.160度C.135度28.三角尺,有三个角,下面说法错误的是()A.一个角是锐角,一个角是直角,一个角是钝角B.三个角的和是180度C.一个直角两个锐角29.三个相等的角拼成了一个平角,这三个角一定是()A.锐角B.直角C.钝角30.平角与钝角的差是()A.锐角B.直角C.钝角四、操作题。
六年级上册数学试题-期末综合测验卷(一) 人教新课标

2019学年第一学期六年级数学期末综合测验卷(一)(90分钟完成)一、算一算(第1题12分,第2题8分,第3题4分,第4题4分,共28分)。
1.直接写出得数。
112×6= 827 ÷49= 56×34 = 27÷4=2÷67= 18 ÷ 5= 27÷67= 14÷29=310×512= 0 × 415= 29×0.125= 23×23×23=2.计算下面各题。
(1)516×45÷815(2) 57÷114+57×711(3) (5-35)×15 (4) (14+25)×5133.解方程。
(1) x ÷45=56 (2) 23x ÷57=284密封 线内不得答题学校班级姓名考号二、填一填(每空1分,共20分)。
1.0.5的倒数是( ),4×( )=1。
2.0.25:23 化成最简单的整数比是( ),它的比值是( )。
3.14: ( ) =( )30 = 75=( )%=( )(填小数) 4.(1)4袋木耳重65千克,平均每袋木耳重( )千克。
(2)1袋花生米重65千克,5袋这样的花生米重( )千克。
5.在○里填上“<”、“>”或“=”。
29×29 27+27+2727×3 57÷3457×346.学校买来25盒白粉笔,20盒彩粉笔。
彩粉笔的盒数是白粉笔的( )%,白粉笔盒数与彩粉笔盒数的最简单整数比是( ),白粉笔的盒数比彩色笔多( )%。
7.(1)用120粒种子做发芽试验,有117粒发芽,发芽率是( )%。
(2)六年级同学体育达标测试有285人达标,达标率为95%,六年级有 ( )人。
8.(1)数学小组有60人,美术小组的人数是数学小组的56,美术小组有( )人。
期末综合练习试卷(试题)-北师大版数学三年级下册

北师大版三下数学期末综合练习试卷一、选择题1.计算除法时,要从( )算起。
A.高位 B.低位 C.低位或高位2.29×34,用第二个乘数十位上的数字3去乘29,结果是( )。
A .87 B .870 C .87003.把一张正方形纸对折、对折、再对折,每份是这张纸的( )。
A.13B.18C.194.从一个长方形的一个角上剪下一个小正方形(如下图),下面说法正确的是( )。
A .周长和面积都变小B .周长不变,面积变小C .周长变大,面积变小5.下面的图形中阴影部分不表示14的是( )。
二、判断题6.0除以任何非0的数都得0。
( )7.一个分数的分母越大,这个分数就越大。
( ) 8.最大的两位数与最小的两位数的积是990。
( )9.正方形的边长减少1厘米,它的面积就减少1平方厘米。
( ) 三、填空10.616÷7的商是( )位数,最高位是( )位;50×20的积是( )位数,它的末尾有( )个零。
11.长方形有( )条对称轴,正方形有( )条对称轴。
12.如果两个乘数的末尾各有一个0,则积的末尾至少有( )个0。
13.小方在计算除法时,错把除数3看成了8,得到的结果是48。
正确的结果是( )。
14.一块长方形绿地长32米、宽18米,这块绿地的面积是();如果要在这块绿地的四周围上一圈栏杆,栏杆长()。
15.一个周长是28厘米的正方形,它的面积是()。
16.填上合适的单位名称。
天气真热呀,吃过晚饭妈妈说带我去超市逛逛。
这么大的超市,面积大约有300()吧。
我买了一支重量大约100()的牙膏,妈妈拎回一桶大约重2()的食用油。
17.85÷4,要使商的中间有0,里可以填()。
四、计算18.列竖式计算,带☆的要验算。
29×14=324÷3=57×16=42×80=☆688÷7=☆660÷4=19.脱式计算。
人教版七年级数学上册期末复习综合练习(Word版含答案)

期末复习综合练习一2021-2022学年人教版七年级数学上册一、单选题(30分)1.在有理数﹣32 , 3.5,﹣(﹣3),|﹣2|、(﹣23)2 , ﹣3.1415926中,负数的个数是( )A. 1个B. 2个C. 3个D. 4个 2.在0,﹣1,1,﹣2这四个数中,最小的数是( )A. 0B. 1C. ﹣1D. ﹣2 3.下列各组数中,相等的一组是( )A. (﹣2)3与﹣23B. (﹣2)2与﹣22C. (﹣3×2)3与3×(﹣2)3D. ﹣32与(﹣3)+(﹣3)4.计算:(−5)÷(−5)×(−15)的结果为( ) A. -5 B. 5 C. −15 D. 15 5.2021年8月19日,由《环球时报》发起的“要求加拿大释放被美国迫害的中国公民!”联署活动,最终签名人数高达1400多万.经过中国政府不懈努力,9月25日,孟晚舟女土乘坐中国政府包机,回到祖国,将14000000这个数用科学记数法表示为( )A. 1.4×106B. 14×106C. 1.4×107D. 0.14×106 6.多项式2x 3﹣10x 2+4x ﹣1与多项式3x 3﹣4x ﹣5x 2+3相加,化简后不含的项是( )A. 三次项B. 二次项C. 一次项D. 常数项 7.下列式子中去括号错误的是( )A. 5x ﹣(x ﹣2y+5z )=5x ﹣x+2y ﹣5zB. 2a 2+(﹣3a ﹣b )﹣(3c ﹣2d )=2a 2﹣3a ﹣b ﹣3c+2dC. 3x 2﹣3(x+6)=3x 2﹣3x ﹣6D. ﹣(x ﹣2y )﹣(x 2+y 2)=﹣x+2y ﹣x 2﹣y 2 8.要使关于x 的方程3(x -2)+b=a(x -1)是一元一次方程,必须满足( )A. a≠0B. b≠0C. a≠3D. a ,b 为任意有理数 9.按下面图示的程序计算,若开始输入的值x 为正数,最后输出的结果为11,则满足条件的正数x 有( )A. 1个B. 2个C. 3个D. 4个 10.下列各图中,可以是一个正方体的平面展开图的是( )A. B. C. D11.如图,学校、公园、体育场在平面图上的位置分别是点O 、A 、B ,若OB 的方向是南偏东60°,∠AOB =90°,则OA 的方向是( )A. 北偏东30°B. 南偏东30°C. 南偏西60°D. 东偏北30°12.甲、乙两车分别从A 、B 两地同时出发,相向而行,若快车甲的速度为60km/ℎ , 慢车乙的速度比快车甲慢4km/ℎ , A 、B 两地相距80km , 求两车从出发到相遇所行时间,如果设x ℎ后两车相遇,则根据题意列出方程为( )A. x 80+x−480=60 B. x(x −4)=80 C. 60x +(60−4)x =80 D. 60x +60(x −4)=8013.植树节期间,七(8)班安排了10人挖土,6人提水.为了尽快完成植树任务,又有16位同学加入,使得挖土的总人数恰好是提水总人数的三倍.假设新加入的同学中去挖土的有x 人,根据题意可列出方程为( )A. 10+x=3(6+16-x)B. 3(10+ x)=6+16-xC. 3(10+16-x) =6+xD. 10+16-x=3(6+x) 14.若|a|=3,|b|=2,且a −b <0,则a +b 的值等于 ( )A. 1或5B. 1或-5C. -1或-5D. -1或515.已知a <-1,那么|a−1||a|−1的值是( ). A. 等于1 B. 小于零 C. 等于 D. 大于零二、填空题(15分)16.如果把收入30元,记作+30元,那么支出60元,应记作 元.17.已知:a <b ,b >0,且|a|>|b|,则|b+1|﹣|a ﹣b|= .18.若x ,y 互为相反数,m ,n 互为倒数,则 3mn −x −y = .19.单项式﹣4ab 2的系数是 .20.若关于x 的方程9+ax=3的解是x=-2,则a 的值是 .三、解答题(55分)21.小明过年得到2000元的压岁钱,存入银行,准备到期后的利息捐给希望工程.已知四年定期存款的年利率为2.25%,那么三年后小明可捐给希望工程多少钱?(国家规定要收取20%的利息税).22.化简:(1)(3mn−2m2)+(−4m2−5mn);(2)−(2a−3b)−2(−a+4b−1).(3)先化简再求值:3(2x2y−4xy2)−(−3xy2+x2y),其中x=−12,y=1.23.2021年!1月1日,某社区接种新冠疫苗第二针(分为北京科兴和北京生物两种)人数共110人,其中接种北京科兴的人数是接种北京生物的人数的2倍多20人,求接种两种疫苗的人数分别是多少人?24.如图,已知∠AOC:∠AOB=2:5,OD是∠AOB的平分线,若∠COD=20°,则∠AOC的是多少度?四、综合题25.奶奶逛超市看到如下两个超市的促销信息.甲超市促销信息栏:全场8.8折.乙超市促销信息栏:不超过200元,不给予优惠;超过200元而不超过500元,全部打9折;超过500元,其中500元的部分优惠10%,超过500元的部分打8折.(注:假设两个超市相同商品的标价都一样)(1)当一次性购买商品的标价总额是a元时(200<a<500),甲、乙两超市实际付款分别是多少元?(2)当标价总额是多少元时,甲、乙两超市实付款一样?(3)奶奶两次到乙超市购物付款分别是170元和474元,若她只去一次该超市购买同样的商品,你帮助奶奶算一算可以节省多少元?参考答案1--10 BDACC CCCCC 11--15ACACD16. -6017. a+118. 319. -420. 321.解:实得利息为:2000×2.25%×(1﹣20%)×4=144(元),答:三年后小明可捐给希望工程144元.22.(1)解:(3mn−2m2)+(−4m2−5mn)=3mn−2m2−4m2−5mn=−6m2−2mn;(2)解:−(2a−3b)−2(−a+4b−1)= −2a+3b+2a−8b+2=2-5b;(3)解:原式= 6x2y−12xy2+3xy2−x2y=5x2y−9xy2,当x=−12,y=1时,原式= 5×(−12)2×1−9×(−12)×12=234.23. 解:设接种北京生物的人数为x人,则接种北京科兴的人数为(2x+20)人,根据题意,得x+(2x+ 20) =110,解得x= 30,2x +20= 2×30+20= 80.答:接种北京生制的人数为30人,接种北京科兴的人数为80人.24.解:∵∠AOC:∠AOB=2:5,∴设∠AOC=2x°,∠AOB=5x°,∵OD是∠AOB的平分线,∴∠AOD=12∠AOB=2.5x∘∵∠COD=15°,又∵∠COD=∠AOD -∠AOC=2.5x-2x=15°,∴x=30°,∴∠AOC=2x°=60°.25. (1)解:甲超市:打8.8折,则实际付款0.88a元;乙超市:超过200元而不超过500元,全部打9折,则实际付款为0.9a元(2)解:设总价为a元,当0<a<200时,乙没有优惠,甲打8.8折,实际付款不可能相等;当200<a<500时,乙打9折,甲打8.8折,实际付款不可能相等;当a>500时,根据题意可得方程0.88a=500×0.9+(a−500)×0.8,解得:a=625,∴当标价总额为625元时,两个超市实际付款一样(3)解:∵170<200,∴第一次未打折;474÷0.9=526.7>500,∴第二次标价超过500元,设第二次总价为a元,500×0.9+(a−500)×0.8=474,解得:a=530,∴两次的标价总额为:170+530=700元,若一次性购买需付款:500×0.9+(700−500)×0.8=610元,节省170+474−610=34元,故可以节省34元.。
新目标八年级英语下册期末综合练习题(一)

新目标八年级英语下册期末综合练习题(一)一.单项选择( )1.Do you know____ a report on English learning tomorrow morning?A.is thereB.there is going to haveC.will there beD.there is going to be( )2.—I don’t know_____ to do next.—It’s easy .Press the red button in 2 minutes.A.whatB.howC.whereD.when( )3.The boy found_____hard to get along with the other classmates.A.thisB.thatC.it( )4.There are many people downstairs . What do you think______?A.to happenB.happeningC.is happenedD.has happened( )5.Tom is good at drawing______ John does well in playing football.A.becauseB.whenC.whileD.since( )6.Several days has passed______ the air crash happened.A.sinceB.afterC.asD.for( )7.We will have no water to drink ______ we don’t protect(保护)our earth.A.untilB.beforeC.thoughD.if( )8.—Remember this, John._________ careful you are,______ mistaeks you will make.--Thanks , Miss Rose.A.The more; the lessB.The more; the fewerC.The less; the fewerD.The more; the more( )9.Can you make some_____ for the old lady ?A.roomsB.roomC.placeD.places( )10.—How long have you been collecting shells?--___________.A.After I left schoolB.Before I moved here.C.When I went to the beachD.Since I was ten years old.( )11.—Look!It’s raining heavily._______ take a raincoat with y ou ?--Well , I’ll take one right now.A.Why notB.Why don’tC.Would you mindD.Would you like ( )12.In the past few years there______ great changes in my hometown.A.have beenB.wereC.had beenD.are( )13.—Hello! May I speak to Kate ?--Sorry, she isn’t here now.She______ to Shanghai.A.wentB.has beenC.has gone( )14.—Zhou Weilun could hardly speak English three years ago,_____?--No, he couldn’t .But now he is quite g ood at it.A.couldn’t heB.could heC.didn’t he( )15.The popular book_______ out.A.soldB.sellsC.was soldD.was sell( )16.The citizens complained______ the police_____ the noise from the neighborhood.A.to , aboutB.about, toC.to , forD.of ,to( )17.—Do you mind my taking this place ?--________. It’s for Mr Smith.A.Not at allB.Yes, pleaseC.Yes, of course notD.Better not( )18.—Do you mind my smoking here ?--________.Look at the sign.It says,“No smoking ”.A.Of course not B.No, I don’t C.You’d better not D.Yes, go ahead ( )19.They’re not rich,_______ they always enjoy_______.A.or, themB.because, theirC.and, theirD.but,themselves( )20.He worked______ the maths problem for half an hour, but he couldn’t work it_________.A.on , outB.on , atC.in , outD.for , on( )21.Her brother didn’t know______.A.when to doB.why to doC.how to doD.what to do( )22.She gets ______when people cut in line, the _______phenomenon(现象)happens on Christmas.A.annoyed, annoyedB.annoying, annoyingC.annoyed, annoyingD.annoying, annoyed( )23.—Would you mind not wearing the old hat ?It looks terrible!--OK,I’ll put_______.A.on another pairB.another one onC.on othersD.on another ( )24.Would you mind________?A.if I open the windowB.my open the windowC.my opening the windowD.that I open the window( )25.We would rather stay at home than_____________.A.going shoppingB.go shoppingC.went shoppingD.to go shopping ( )26._____ seems a good-for-all solution to delay mid-term-exam.A.ThatB.ItC.ThisD.What( )27.When a tiger is trapped, he will be very______and can do nothing but wait for help.A. helpfulB. unhelpfulC. helplessD. useless( )28.--Shall we go to the _______ this weekend?--Good idea. I haven't enjoyed a movie for months.A. restaurantB. museumC. theme parkD. cinema( )29.--Don't worry about money. I can_____ you some.--Thanks. I'll give it back as soon as we are back.A. lendB. giveC. returnD. borrow( )30.--How_______the meat smells! Why not throw it?--OK. I will.A. niceB. wouderfulC. terrihleD. harmless( )31.I am looking forward to going to Qingdao on holiday this summer. I hope I can go _______on the sea and enjoy a sunbath on the beach.A. skiingB. skatingC. divingD. sailing( )32.--Did you catch what he said?--No. He didn't speak ________ enough.A. especiallyB. incorrectlyC. clearlyD. widely( )33.—It________ that he has heard about the accident.--Yes. He watched the local news on TV.A. seemsB. listensC. seesD. says( )34.--How will you feel when you get to a city______ for the first time?--I will feel rather______A. lonely; aloneB. lonely; lonelyC. alone ; lonelyD. alone ; alone( )35.Look at the clock, lt's lunchtime ______ . But Jim hasn't returned fl'om school__________.A. already ; alreadyB. already ; yetC. yet alreadyD. yet; yet( )36.--______ do you live with your parents or have a house of your own?--I live with my parents.A. In factB. In some waysC. In my opiniohD. By the way( )37.--Hello. this is Jane. May I speak to Tom?--Sorry. He _______ the library. Please call him later.A. went toB. has beeu toC. has gone toD. has been in( )38.--My family are going to Hong Kong Disneyland on holiday next week!--_________ How I wish I could go with you.A. Don't play too longB. You are welcomeC. Have a nice tripD. I'd love to( )39. Han Han a young, writer in China, has been successful since his first book The Three Successive Doors ________in 2000.A. came onB. came backC. came outD. came from40.--Do you mind my torning on the TV?-- _______ it's time for me to do my homework.A. No, please don'tB. Sorry, but you'd better notC. No, not at allD. Of enurse you can二.完形填空One of the most famous writers from England until now is Agatha Christie. Her books and plays can 1 in many foreign languages. Agatha Christie's real name was Agatha Miller. She was 2 in England in 1890. She married Archibald Christie 3 she was 24 years old, and she changed her 4 name to Christie.She sold her first book in 1920. This book was the first 5 that the world met Mrs. Christie's famous detective (侦探) . Hereule Poirot. Ten years after that, Mrs. Christie wrote her another book with her 6 famous detective Miss Marple. In 1928, Mrs. Christie's first Marriage broke up. She 7 M.E.L. Mallowun in 1930, but she continued to write her books under the 8 of Agatha Christie.Over her 9 , Agatha Christie wrote 60 books, 16 plays, and more than 100 shorts stories. She 10 in 1976 when she was 85 years old. Now her books can still be found for sale in bookstores all around the world.( ) 1. A. find B. he found C. read D. write ( )2. A. interested B. busy C. read D. born( )3. A. when B. until C. though D. since( )4. A. full B. real C. family D. given( )5. A. work B. time C. chance D. experience( )6. A. very B. more C. less D. second( )7. A. knew B. showed C. married D. lost( )8. A. name B. help C. way D. choice( )9. A. study B. life C.idea D. plan( ) 10. A. passed B. disappeared C. left D. died三.阅读理解AIn Spain there once lived a king and he liked playing jokes.“I will give a bag of gold to the person who can tell me the besl story.”he said.“But there js one rule:It must be a story which I can’t believe true.If I can believe it.then I won’t give away the bag of gold.”People came to the king from all parts of the country.They brougltt strange and wonderful stories.The king sat in his palace and listened In all the stories.He enjoyed them very much but to each person he said.“I can believe it.It could happen and it may be true.So I won’t give you any gold.”At last a poor old nlan came to the palace.He was carrying a huge stone jar.The old man began his story,“0h,my king.Your good father was once a very poor man,and my father was very.rich.They were very good friends.My father gave your father a large jar,like this onc,and it Was tull of goht.Your father promised(答应) to give back the gold when he became rich.But he didn’t give it back.When my father died he told hie not to forget to get our gold back.Now you are rich and I am poor.It’s time to retum my gold.”The king said."I can’t believe your story.It’s impossible.My father never told me anything about the jar full of gohl.Be sides there isn’t enough gold to fill that jar."“All right,”said the old man."If you(Ion’t believe my story.give me the bag of gold.Keep your promise(诺言),please.”The king remembered the rule and gave the man the bag of gold.( )1.At the beginning ofthe story the king.wanted to________·A.make a joke about others B.give his people some goldC.find a good story teller D.set up a new rule for people( )2.The king would give a bag of goht to the person who told______.A.a strange story B.an unbelievable storyC.the best story of the world D.a story which was true( )3.Why did the old man came to the palace?A.He tried to get his father’s gold back.B.He wanted to get the bag full of gold.C.He thought the king would like his story.D.His tather had been the king’s father’s fiiend.( )4.Why didn’t the king believe the old man’s story?A.The jar was so big.B.There wasn’t much gold in the country.C.The jar couldn’t have been used for hohting gold.D.His father didn’t tell him about the iar fu ll of gold.( )5.Which word can describe the old man best?A.Clever.B.Poor.C.Interesting.D.Strange.BPeople all over the world eat rice.Millions of people in Asia,Africa,and South America live off it.Some people eat almost no|hing but rice.Rice is a kind of grass.There are more thatl 7,000 kinds of rice.Most kinds are water plants.Farmers grow rice in many countries,even in the south of the United States and in eastern Australia.China is the world’s largest rice-growing country.In 2003.China grew 1 66 million tons of rice.But it is not easy to feed the world’s largest population.In the 1960s,thousands of Chi nese died because they didn’t have enough food to eat.In the 1970s,Yuan Longping,a Chinese scientist,grew a new kind of rice called hybrid rice .It makes 20%more rice than any other kind.Hybrid rice is a Stronger plant.unlike ordinary rice.It can grow in lots of water or in not much water.It doesn’t easily get diseases or worms(虫子).Today,half of China’s rice plants are Yuan’s special hybrid rice.China uses Yuan’s hybrid rice to grow much more rice than before.Ytlall is known as the Father of Hybrid Rice.He won the World Food Prize for his work to help feed so many people.( )6. Rice is grown _______ in the world.A. in lots of countriesB. for humans and animalsC. only on wet landD. by Chinese farmers( )7. China ________ in the world.A. offers the best rice to peopleB. harvests the most riceC. has the largest farmlandD. is short of rice( )8. Yuan Longping's hybrid rice______A. gets sick more oftenB. is ordinary riceC. can grow without waterD. can make more rice than the others( )9. The Chinese scientist, Yuan L0ngping, is famous for_____A. the Father of RiceB. his rice to feed all ChineseC. his hybrid riceD. growing different kinds of rice( )10. What did Yuan Longping win?A. The World Food Prize.B. A game of growing rice.C. China's Population Prize.D. The Farming Prize.COur eating habits are very. important for good health and a strong body. There are times when most of us like eating sweets and ice cream better than meat and rice. Sweets and ice cream are not bad for us if we eat them at the end of a meal. If we eat them before a meal, they may take away our appetite(食欲). It's important for us to eat our meal at regular(规律) time each day. When we feel worry,' or excited, we may no! want to eat. A long time ago, in England, some judges often decided whether a man was telling truth by giving him some dry bread. If the man could not swallow (吞)the bread, it meant that he wasn't telling the truth. Though this seems strange and foolish they thought it was good way of finding out truth. A man who is worrying something has difficulty in swallowing anything drt, because he loses his appetite.( )11. Good eating habits make us .A. strongerB. happierC. more beautifulD. more polite ( )12. It's good to eat sweets and ice cream______A.after a mealB. before a mealC. when we are happyD. when we want to eat( )13. It's good for us to have our meal __ every day.A. earlierB.at the same timeC. at any timeD. at the different time( )14. The judge in ohl England thought if a man didn't tell the truth, he can____A. drink milk or teaB. eat a lot of dry breadC. hardly eat dry breadD. swallow dry. bread easily( )15. A person who feels ______may not want to eat.A. happyB. shyC. unhappyD. wellDLinda was not satisfied. She had bought a sweater from a chain.store and when she had washed iy, the color had run and the sweater lf had shrunk, even though she had followed the washing instructions exactly.When she took it back, the salesgirl looked at it suspieiously(怀疑地). " You must have washed it in boiling water," she said. Linda told her she had used lukewarm water, just as the label said she should. Since the salesgM still refused.to exchange the sweater, Linda insisted on seeing the manager.The manager was not helpfuT, "either. He did not want to admit that the sweater was not really washable. Suddenly Linda noticed the shop's poster on the wall. It said, " We give our customers satisfaction. " Linda pointed to it and asked if it really meant it said. The manager looked embarrassed (为难的). Then he appeared to notice something. The sweater had a flaw (瑕疵). One of the threads had a different colour fi'om the others. Then he said they would exchange the sweater after all. But he emphasized this was only because of the flaw. Linda stared but could not see, the flaw. tlowever, she smiled and said nothing. She had got what she wanted.( )16. The sweater sht'ank and its colour ran because______A. Linda had washed it in awnmg wayB. its quality isn't goodC. the salesgirl told Linda the wrong wayD. the manager cheated Linda ( )17. The salesgirl wouldn't exchange the sweater for Lind because____A. Linda was not politeB. the manager didn't permit thatC. it was Linda's faultD. she didn't trust Linda( )18. At flint the manager wouldn't help Linda though _____A. he knew the truth of the sweaterB. he knew there was a flawC. he watched the buyingD. he cheated every customer( )9. At last Linda got a new sweater because_____A. the manager admitted he was wrong and said sorry.B. the salesgirl gaw; her a new oneC. there was a flaw in the sweaterD. Linda argued with them( )20. The poster in the store_____A. helped LindaB. made the manager angryC. didn't workD. was written by the manager四.阅读短文,用方框内所给单词的正确形式填空,使短文意思通顺,完整。
最新版新目标九年级上期期末考前综合练习(1)一中题目-used

九年级上期期末考前综合练习(一)试题很精彩,做题要认真,题眼要找好,思维要放开,方法要到位,且做且珍惜(本次节选重庆一中本学期期中考试试题)II. 单项选择。
(每小题1分,共15分)( ) 21. –So far, I think this exam is easy and interesting. –Yeah, __________ English paper it is!A. what a easyB. how easyC. what an easyD. how an easy( ) 22. I have some good___________ for you to make better use of your time.A. newsesB. suggestionC. adviceD. medicines( ) 23. During these days, many students have been working very late. They _______go to bed ______11:30 pm.A. won’t; afterB. often; beforeC. hardly; untilD. / ; until( ) 24. I don’t know why we can’t have our English class outside in __________ fine weather?A. so aB. such aC. soD. such( ) 25. If you don't know ____________ a problem, don’t be sad. Just think it over.how to do with B. how to do C. what to do with D. what to do( ) 26. Of all your art works, some students’ drawings are so fantastic while _______are not.A.anotherB. the others’C. the otherD. others( ) 27. – Maggie, must I finish all the housework today? – Well, I am afraid you __________. Everyday work should be finished on time.A. mustn’tB. can’tC. needn’tD. must( ) 28. The clothes _________cotton ________comfortable.A. are made of; are feltB. made of; feelC. are made from; feelD. made from; are felt( ) 29. Boys and girls, listen to me ________. Make sure you don't miss anything important.A. careful enoughB. enough carefulC. carefully enoughD. enough carefully( ) 30. The man asked his son _____________.A. what’s the matterB. that they would eat in KFCC. where did he put his moneyD. if he wanted to see a movie( ) 31. It’s said that the number of people shopping on the Internet ________ becoming __________.A. is; more and moreB. are; more and moreC. is; bigger and biggerD. are; bigger and bigger( ) 32. Glasses are used ___________ seeing and I am used _________them now.I can’t see anything without them.A. to; toB. for; toC. to; forD. for; for( ) 33. The boy has ___________ his final exam, because he has been working hard in the __________ two months.A. passed; pastB. past; passedC. passed; passedD. past; past( ) 34. Jay’s latest album ________________.A. sells outB. sold outC. sells wellD. is sold well( ) 35. – Mom, I am very worried about my study these days. It seems that it’s gettingworse and worse. ----Be patient. _______________.A. No problem.B. It takes time.C. Sounds easy for you.D. It’s too difficult.Ⅲ. 完型填空。