1、初二数学上册期末考试试题及答案76952(word版可编辑修改)1/19初二数学上册期末考试试题及答案76952(word版可编辑修改)编辑整理:尊敬的读者朋友们:这里是精品文档编辑中心,本文档内容是由我和我的同事精心编辑整理后发布的,发布之前我们对文中内容进行仔细校对,但是难免会有疏漏的地方,但是任然希望(初二数学上册期末考试试题及答案76952(word版可编辑修改))的内容能够给您的工作和学习带来便利。同时也真诚的希望收到您的建议和反馈,这将是我们进步的源泉,前进的动力。本文可编辑可修改,如果觉得对您有帮助请收藏以便随时查阅,最后祝您生活愉快 业绩进步,以下为初二数学上册期末考试试题及答
2、案76952(word版可编辑修改)的全部内容。初二数学上册期末考试试题及答案76952(word版可编辑修改)2/19DCAB数学部分一、选择题(每小题有且只有一个答案正确,每小题4分,共40分一、选择题(每小题有且只有一个答案正确,每小题4分,共40分1、如图,两直线ab,与1相等的角的个数为(A、1个 B、2个 C、3个 D、4个2、不等式组的解集是(x3x4A、B、C、D、无解3x4x33、如果,那么下列各式中正确的是(abA、B、C、D、a3b3abb2akF8BNd6g1FA、AAS B、ASA C、SAS D、SSS5、已知一组数据1,7,10,8,x,6,0,3,若=5,则x应
3、等于(xA、6 B、5 C、4 D、26、下列说法错误的是(A、长方体、正方体都是棱柱;B、三棱住的侧面是三角形;C、六棱住有六个侧面、侧面为长方形;D、球体的三种视图均为同样大小的图形;7、ABC的三边为a、b、c,且,则(2(a+b)(a-b)=cA、ABC是锐角三角形;B、c边的对角是直角;C、ABC是钝角三角形;D、a边的对角是直角;8、为筹备班级的初中毕业联欢会,班长对全班学生爱吃哪几种水果作了民意调查,那么最终买什么水果,下面的调查数据中最值得关注的是(kF8BNd6g1FA、中位数;B、平均数;C、众数;D、加权平均数;9、如右图,有三个大小一样的正方体,每个正方体的六个面上都按
4、照相同的顺1ab4132126初二数学上册期末考试试题及答案76952(word版可编辑修改)3/1988884444xxyyyyOOOOA、B、C、D、ABCDEFABOCDyx5202112序,依次标有1,2,3,4,5,6这六个数字,并且把标有“6”的面都放在左边,那么它们底面所标的3个数字之和等于(kF8BNd6g1FA、8 B、9 C、10 D、1110、为鼓励居民节约用水,北京市出台了新的居民用水收费标准:(1若每月每户居民用水不超过4立方M,则按每立方M2M计算;(2若每月每户居民用水超过4立方M,则超过部分按每立方M4.5M计算(不超过部分仍按每立方M2元计算。现假设该市某户居
5、民某月用水x立方M,水费为y元,则y与x的函数关系用图象表示正确的是(kF8BNd6g1F二、填空题(每小题4分,共32分二、填空题(每小题4分,共32分11、不等式的解集是_;2x-1312、已知点A在第四象限,且到x轴,y轴的距离分别为3,5,则A点的坐标为_;13、为了了解某校初三年级400名学生的体重情况,从中抽查了50名学生的体重进行统计分析,在这个问题中,总体是指_;kF8BNd6g1F14、某班一次体育测试中得100分的有4人,90分的有11人,80分的有11人,70分的有8人,60分的有5人,剩下的8人一共得了300分,则中位数是_。kF8BNd6g1F15、如图,已知B=DE
6、F,AB=DE,请添加一个条件使ABCDEF,则需添加的条件是_;kF8BNd6g1F16、如图,AD和BC相交于点O,OA=OD,OB=OC,若B=40,AOB=110,则D=_度;kF8BNd6g1F17、弹簧的长度y(cm与所挂物体的质量x(kg的关系是一次函数,图象如右图所示,则弹簧不挂物体时的长度是_cm;第 15题 图 第 16题 图 第17题图kF8BNd6g1F18、如下图所示,图中是一个立体图形的三视图,请你根据视图,说出立体图形的名称:初二数学上册期末考试试题及答案76952(word版可编辑修改)4/19S(千Mt(时O 0.5 1.537.51022对应的立体图形是_的
7、三视图。三、解答题(共78分三、解答题(共78分19、(8分解不等式,并把解集在数轴上表示出来。x+1(x1)1220、(8分填空(补全下列证明及括号内的推理依据:如图:已知:ADBC于D,EFBC于F,1=3,求证:AD平分BAC.证明:ADBC,EFBC于F(已知 ADEF(1=E(2=3(又3=1(已知 1=2(等量代换 AD平分BAC(21、画出下图的三视图(9分22、(9分已知点A(10,0,B(10,8,C(5,0,D(0,8,E(0,0,请在下面的平面直角坐标系中,kF8BNd6g1F(1分别描出A、B、C、D、E五个点,并顺次连接这五个点,观察图形像什么字母;(2要图象“高矮”
8、不变,“胖瘦”变为原来图形的一半,坐标值应发生怎样的变化?23、(10分如图,lA,lB分别表示A步行与B骑车在同一路上行驶的路程S与时间t的关系。(1B出发时与A相距_千M。(2走了一段路后,自行车发生故障,进行修理,所用的时间是_小时。主视图左视图俯视图123ABCDEF初二数学上册期末考试试题及答案76952(word版可编辑修改)5/19ABCDEF(3B出发后_小时与A相遇.(4若B的自行车不发生故障,保持出发时的速度前进,几小时与A相遇,相遇点离B的出发点多少千M。在图中表示出这个相遇点C,并写出过程。kF8BNd6g1F24、(10分已知:如图,RtABCRtADE,ABC=AD
9、E=90,试以图中标有字母的点为端点,连结两条线段,如果你所连结的两条线段满足相等、垂直或平行关系中的一种,那么请你把它写出来并说明理由。kF8BNd6g1F25、(10分某工厂有甲、乙两条生产线,在乙生产线投产前,甲生产线已生产了200吨成品,从乙生产线投产开始,甲、乙两条生产线每天生产20吨和30吨成品。kF8BNd6g1F(1分别求出甲、乙两条生产线投产后,各自的总产量y(吨与从乙开始投产以后所用时间x(天之间的函数关系式,并求出第几天结束时,甲、乙两条生产线的总产量相同;kF8BNd6g1F(2在如图所示的直角坐标系中,作出上述两个函数和第一象限内的图象,并观察图象,分别指出第15天和
10、第25天结束时,哪条生产线的总产量高?kF8BNd6g1F26、(14分(1为保护环境,某校环保小组成员小敏收集废电池,第一天收集1号电池4节、5号电池5节,总重量460克;第二天收集1号电池2节、5号电池3节,总重量240克。kF8BNd6g1F 求1号和5号电池每节分别重多少克?学校环保小组为估算四月份收集废电池的总重量,他们随意抽取了该月腜 5天每天收集废电池的数量,如下表:kF8BNd6g1F1号废电池(单位:节29303228315号废电池(单位:节5153474950分别计算两种电池的样本平均数,并由此估算该月(30天环保小组收集废电池的总重量是多初二数学上册期末考试试题及答案76
11、952(word版可编辑修改)6/19少千克?(2如图,用正方体石墩垒石梯,下图分别表示垒到一、二、三阶梯时的情况,那么照这样垒下去,填出下表中未填的两空,观察规律.阶梯级数一级二级三级四级石墩块数39 垒到第n级阶梯时,共用正方体石墩_块(用含n的代数式表示。英语部分英语部分。单项选择22。I have been skating _ nine oclock。A.for B。since C.at D.fromkF8BNd6g1F(23。Would you mind _ those old jeans?A。dont wear B。not to wear C。arent wearing D.not
12、 wearingkF8BNd6g1F(24.-Hes never been to an aquarium。-_。A.Neither have I B.Neither do I C.I never too D.I dont tookF8BNd6g1F初二数学上册期末考试试题及答案76952(word版可编辑修改)7/19(25.Its really cold today,_?A。does it B。doesnt it C.isnt it D。is itkF8BNd6g1F(26。_ have you been swimming?For five years。kF8BNd6g1F A。How ma
13、ny times B.How long C。How often D.How muchkF8BNd6g1F(27。Could you please _ in the room?-Oh,Im sorry.A。not smoking B.not smoke C.not to smoke D.dont smokekF8BNd6g1F(28.-Could we buy a piano,Jack?-Im afraid there _ enough room for one in the house.kF8BNd6g1F A.arent B。are C.isnt D.is kF8BNd6g1F(29.I g
14、ot home _ they were having dinner。A。as soon as B。while C.because D.afterkF8BNd6g1F(30。We got mad _ the team for losing the match.kF8BNd6g1F A。at B。in C。on D。aboutkF8BNd6g1F(31。She _ a lot of money on clothes。A.takes B.costs C。spends D。buyskF8BNd6g1F(32。I will stay at home and read books if it _ tomo
15、rrow。kF8BNd6g1F A.is raining B。rains C。rain D。will rainkF8BNd6g1F(33。The teacher encourages her students _ English as much as possible。kF8BNd6g1F初二数学上册期末考试试题及答案76952(word版可编辑修改)8/19 A。to speak B.speaking C。speak D。spokekF8BNd6g1F(34.His father _ to Nanjing.He _ back next week。kF8BNd6g1Fhas been,is B
16、 has been,will beC.has gone,is D。has gone,will bekF8BNd6g1F(35.The teacher said that they _ hard-working students。kF8BNd6g1F A.is B。are C.were D。was kF8BNd6g1F。用所给词语的适当形式完成下列句子。5分)look through discover collect get over keep downkF8BNd6g1F 36。Do you know who _ America?37。He is in his bedroom and _ th
17、e newspapers for a job。kF8BNd6g1F 38.He is angry with me now.But he will understand me and _it soon。kF8BNd6g1F 39.Her brother likes stamps and he _ over a hundred stamps now。kF8BNd6g1F 40.We should _ our voice in public places.kF8BNd6g1F.补全对话用适当的词语补全下面对话。A:Hello。May I 46。_ Mr Brown。B:Sorry,he isnt i
18、n.He 47._ to France。kF8BNd6g1F A:Well,then do you know 48._?B:He said he would return in a month.A:Oh,such a long time.49._ can I get in touch with him?kF8BNd6g1F B:You may 50。_。A:Whats his telephone number?B:Its 00334760488532。.句子翻译.10分)51.他们举办这场音乐会是为了给慈善事业筹集钱款。They held the concert to _the charity
19、。kF8BNd6g1F 52。他的父母非常高兴他们的儿子在学习上取得了很大的进步。His parents are very happy that their son _ in his study.kF8BNd6g1F 53.消防队员很快把火扑灭了.The firefighters _ the fire soon。初二数学上册期末考试试题及答案76952(word版可编辑修改)10/19 54.你什么时候开始对集邮感兴趣了?When did you begin to _collecting stamps?kF8BNd6g1F55。如果你插队的话,其他人会不高兴的。Other people won
20、t be happy _。kF8BNd6g1F 56。我们班级三分之二的学生来自于南方。_。57。你们不应该违反学校规定。_.58.他们俩当时都没有在家。_.59。你听说过这样一个人吗?_?60.你介意把电视声音调低吗?_?.完形填空62。A。drink B.drinking C.to drink D。drinksGmj01chi0y(63。A.salt B。pepper C.sugar D。juiceGmj01chi0y(64.A.good B.well C.tired D.badGmj01chi0y(65.A.hungry B.fine C。thirsty D.excitedGmj01ch
21、i0y(66.A.will feel B。are feeling C。felt D.feelGmj01chi0y(67.A.bad B.worse C。the worst D.the worseGmj01chi0y(68。A.not B。without C.with D.afterGmj01chi0y(69。A。to B.for C。on D.atGmj01chi0y(70。A.good B。well C。best D.betterGmj01chi0y.阅读理解20分)(A阅读短文,然后根据短文内容选择正确答案。Passage 1Birds live in trees.Squirrels松鼠)
22、live in trees.But did you know that some frogs蛙)live in trees,too?Gmj01chi0yThe tree frog is hard to find。It can change colors.On green leaves,it stays green。On a brown branch树枝),it turns brown.Some tree frogs can change from green to gold or blue。Gmj01chi0yTree frogs have legs and wide feet.They ha
23、ve sticky pads72。If the season is spring,the colors of tree frogs is _.Gmj01chi0yA.gold B.brown C.green D.blueGmj01chi0y(73.The tree frogs can stay on trees because _。Gmj01chi0yA.they have sticky pads B.they can change their colorsGmj01chi0yC。they are strong D。they are smallGmj01chi0y(74。Which of th
24、e following sentences is right?A.The tree frogs have different colors and feathers75.The passage is mainly about _。A.the colors of a special frog B。the sound of a special frogGmj01chi0yC.the eyes of a special frog D.a frog that is specialGmj01chi0yPassage 2初二数学上册期末考试试题及答案76952(word版可编辑修改)13/19Most o
25、f the flowers in nature are red,orange and yellow.If we have seen a black flower,its chance in million.Gmj01chi0y People have made a survey of colors of more than four thousand kinds of flowers and found that only eight of them are black。Gmj01chi0yAs we know,sunlight is formed(形成 by seven different
26、colored lights.The wave length(波长 of each light is different,so the quantity(量 of heat in each light is also different.Flowers especially their petal(花瓣,are easy to be harmed(伤害 by high temperature.Gmj01chi0y Black flowers can take in all the light waves which cause the flowers to dry up in a high t
27、emperature。So black flowers can rarely(很少 survive(挺过 sunlight.But red flowers,orange flowers and yellow flowers can protect(保护 themselves from sunlight by reflecting(反射 the red light,orange light and yellow light,each of which has a large quantity of heat。Gmj01chi0y(76.People can_ see black flowers。
28、A.oftenB。neverC.hardly everD。always(77.The underlined word“them”in the second paragraph refers to(指 _.Gmj01chi0y A。a thousandB。colors C。flowers D。kinds(78。The passage mainly tells us that _。A.black flowers are too weak and it is difficult for them to grow upGmj01chi0yB。there are only eight black flo
29、wers in natureC。sunlight has seven different colored lights and the wave length of each is differentGmj01chi0y初二数学上册期末考试试题及答案76952(word版可编辑修改)14/19D.why its difficult for black flowers to grow(79.How do red flowers,orange flowers or yellow flowers protect themselves from sunlight?Gmj01chi0y A。By tak
30、ing in the light.B.By reflecting the light。Gmj01chi0yC。By hiding themselves.D.By sleeping。(80.Which of the following ideas is NOT right?A。The black flowers cannot protect themselves from the sunlight。Gmj01chi0yB.Red,orange and yellow flowers can also take in the light of all wave lengths.Gmj01chi0yC
31、。People have found that only a few kinds of flowers are black.Gmj01chi0yD.Flowers are easy to be harmed by very high temperature。Gmj01chi0y(B 阅读短文,然后根据短文内容填写表格或回答问题.Passage 3People live around the world.They like to have celebrations(庆祝活动.In China,people celebrate New Year.New Year is in January or
32、February.They wear red clothes because red is the color that will bring joy.Chinese children get money in red envelopes for the new year.In Gambia(冈比亚,people celebrate Independence Day(独立日.It is in February。They wear bright clothes and play music at the celebration。In England,people celebrate May Da
33、y.May Day is in May。They wear pretty clothes to celebrate the coming spring。The children like to dance on this day.In America,people celebrate Thanksgiving Day(感恩节。Its in November.They have a very big dinner with their families or friends.They eat turkeys and a lot of other delicious food。They have
34、a long talk after dinner.Gmj01chi0y初二数学上册期末考试试题及答案76952(word版可编辑修改)15/19 Celebrations Around the World61._CelebrationsMonthsClothesChinaNew YearJanuary or February62._Gambia63._Februarybright clothes64._May DayMaypretty clothesAmericaThanksgiving Day65。_Passage 4Are you interested in Helmut Newton a
35、nd John Pilger?Do you want to learn more about their painting?Come to Barbican Gallery(画廊!Gmj01chi0yBarbican GalleryOpen Mon,Thu Sat 10am 6 pm(Helmut Newton;Tue,Wed,Sun 10am 9pm(John Pilger Tickets Adults(成人¥7 Students,young people 1217,over 60s¥5 Disabled people with companion¥3。5 Under 12 freeBarb
36、ican Card discount(折 扣 20 off full price ticketsGroup Bookings Can be made through the Groups line 7382 7211Adult groups of 10 or more¥6 eachSchool and full time student groups of 10 or more¥2 each.86.When may you go to Barbican Gallery to see the paintings on Tuesday?Gmj01chi0y _.87.Does a child un
37、der twelve need to pay any money to see the paintings?Gmj01chi0y _。88.Whose paintings can you see if you go to the gallery on Saturday?Gmj01chi0y _.89。What telephone number can you call if you want to book tickets?Gmj01chi0y _.90。How much should you pay if you want to buy tickets for group of ten 初二
38、数学上册期末考试试题及答案76952(word版可编辑修改)16/19students??Gmj01chi0y _.数学部分数学部分一、选择题(每小题有且只有一个答案正确,每小题4分,共40分一、选择题(每小题有且只有一个答案正确,每小题4分,共40分1、C;2、A;3、D;4、A;5、B;6、B;7、D;8、C;9、A;10、C;二、填空题(每小题4分,共32分二、填空题(每小题4分,共32分11、;12、;13、某校初三年级400名学生体重情况的全体;14、80分2x(5,3)15、BC=EF(答案不唯一;16、30;17、9;18、四棱锥或五面体;三、解答题(共78分三、解答题(共78分
39、19、解:x+1(x1)12 (2分x+1 2(x1)2 (1分x1 2x22 (1分x1 (2分x1数轴表示正确2分;20、证明:ADBC,EFBC于F(已知 ADEF(同位角相等,两直线平等或在同一平面内,垂直于同一条干线的两条直线平行 1=E(两条直线平行,同位角相等 2=3(两条直线平行,内错角相等 又3=1(已知 1=2(等量代换 AD平分BAC(角平分线的定义 每空2分,共8分;120初二数学上册期末考试试题及答案76952(word版可编辑修改)17/19ABCDFE21、图形如下,每个3分,共9分;主 视 图 左 视 图 俯视图22、图形略,(3分(1像字母M;(2分(2横坐标
40、变为原来的一半,纵坐标不变;(4分23、(110;(21;(33;(每题1分(4解:表示出相遇点C得1分;求出lA的函数关系式:分S=4t+10 求出的函数关系:分BlS=15t解得分10t=111分150S=1124、解:有不同的情况,图形画正确,并且结论也正确的即可给2分;(1连结CD、EB,则有CDEB;(2连结AF、BD,则有AFBD;(3连结BD、EC,则有BDEC;选(1;证明:RtABCRtADE(已知ACAE,ADAB(全等三角形对应边相等CABEAB(全等三角形对应角相等分CABBAD=EADBAD即:2分CAD=EAB初二数学上册期末考试试题及答案76952(word版可编
41、辑修改)18/19在ADC和ABE中:AC=AECAD=EABAD=ABADCABE(SAS分CDEB分25、(1解得:分y=200+20 x甲分y=30 x乙两者总生产量相等,即:y=y乙甲200+20 x=30 x解得:分x=20(2图形略,分第15天结束,甲的总生产量大于乙的总生产量;分第25天结束时,乙的总生产量大于甲的总生产量;分26、解:(1设1号电池每节重量为x克,5号电池每节重量为y克;由题意可得:分4x+5y=4602x+3y=240解得:,1分x=90y=20答:1号电池每节重量为90克,5号电池每节重量为20克;1分 求得1号电池平均每天30节,5号电池平均每天50节,2
42、分所以总重量(30 9050 20)30111000(克)111(千克2分(218,30,3n(n+1)2第一个空1分,第二个空2分,第三空3分;英语部分英语部分初二数学上册期末考试试题及答案76952(word版可编辑修改)19/19。ABDAC BBCBA CBADC.discovered,looking through,get over,has collected,keep downGmj01chi0y.A DGAFBB 46.speak to 47.has gone 48.when he will return/be back 49。How Gmj01chi0y50.call him/
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44、rule(s 58.Neither of them was at home thenGmj01chi0y59。Have you ever heard of such a person 60。Would you mind turning down the TVGmj01chi0y.DBCDC ACBBD。A BCADD CDDBB B)81。Countries 82。red clothes 83.Independence Day 84。England 85.NovemberGmj01chi0y 86。10am-9pm 87。No 88.Helmut Newtons 89.7382 7211 90.20 yuan/¥20Gmj01chi0y.略申明:所有资料为本人收集整理,仅限个人学习使用,勿做商业用途。