初二数学上册期末考试试题75858

1、个人采集整理-仅供参照数学部分一、选择题(每题有且只有一个答案正确，每题4分，共40分1、如图，两直线ab，与1相等地角地个数为(1A、1个B、2个C、3个D、4个ab2、不等式组地解集是(A、B、C、D、无解3、假如，那么以下各式中正确地是(A、B、C、D、4、以下图，由D=C,BAD=ABC推得ABDBAC，所用地地判断定理地简称是(A、AASB、ASAC、SASD、SSSDC5、已知一组数据1，7，10，8，x，6，0，3，若=5，则x应等于(BAA、6B、5C、4D、26、以下说法错误地是(A、长方体、正方体都是棱柱；B、三棱住地侧面是三角形；C、六棱住有六个侧面、侧面为长方形；D、球

2、体地三种视图均为相同大小地图形；7、ABC地三边为a、b、c，且，则(A、ABC是锐角三角形；B、c边地对角是直角；C、ABC是钝角三角形；D、a边地对角是直角；8、为筹办班级地初中毕业联欢会，班长对全班学生爱吃哪几种水果作了民心检查，那么最后买什么水果，下边地检查数据中最值得关注地是(A、中位数；B、均匀数；C、众数；D、加权均匀数；9、如右图，有三个大小相同地正方体，每个正方体地六个面上都依照相同地次序，挨次标有1231，2，3，4，5，6这六个数字，而且把标有“6”地面都放在左侧，那么它们底面所标地3个数6412字之和等于(A、8B、9C、10D、1110、为鼓舞居民节俭用水，北京市出台

3、了新地居民用水收费标准：(1若每个月每户居民用水不超出4立方M，则按每立方M2M计算；(2若每个月每户居民用水超出4立方M，则超出部分按每立方M4.5M计算(不超出部分仍按每立方M2元计算.现假定该市某户居民某月用水x立方M，水费为y元，则y与x地函数关系用图象表示正确地是(二、填空题yyyy(每题4分，共32分11、不等式地解集是_；888812、已知点A在第四象限，且到x轴，y轴地距离分别为3，5，则A点地坐标为_；O4xO4xO4O4ABCD1/9个人采集整理-仅供参照13、为了认识某校初三年级400名学生地体重状况，从中抽查了50名学生地体重进行统计剖析，在这个问题中，整体是指_；14

4、、某班一次体育测试中得100分地有4人，90分地有11人，80分地有11人，70分地有8人，60分地有5人，剩下地8人一共得了300分，则中位数是_.15、如图，已知B=DEF，AB=DE，请增添一个条件使ABCDEF，则需增添地条件是_；16、如图，AD和BC订交于点O，OA=OD，OB=OC，若B=40,AOB=110，则D=_度；17、弹簧地长度y(cm与所挂物体地质量x(kg地关系是一次函数，图象如右图所示，则弹簧不挂物体时地长度是_cm；yABAD21第15题图第16题图第17题图O12CD18、以以下图所示，图中是一个立体图形地三视图，请你依据视图，说出立体图形地名称：xBECF5

5、20主视图左视图俯视图对应地立体图形是_地三视图.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.20、(8分填空(补全以下证明及括号内陆推理依照：如图：已知：ADBC于D，EFBC于F，1=3，E求证：AD均分BAC.A证明：ADBC，EFBC于F(已知321ADEF(1=E(BFDC2=3(又3=1(已知1=2(等量代换AD均分BAC(21、画出以下图地三视图(9分22、(9分已知点A(10，0，B(10，8，C(5，0，D(0，8，E(0，0，请在下边地平面直角坐标系中，(1分别描出A、B、C、D、E五个点，并按序连结这五个点，察看图形像什么字母；(2要图象“高矮”不

6、变，“胖瘦”变成本来图形地一半，坐标值应发生如何地变化？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地行程S与时间t地关系.(1B出发时与A相距_千M.S(千M2/922个人采集整理-仅供参照(2走了一段路后，自行车发生故障，进行维修，所用地时间是_小时.(3B出发后_小时与A相遇.(4若B地自行车不发生故障，保持出发时地速度行进，几小时与A相遇，相遇点离B地出发点多少千M.在图中表示出这个相遇点C，并写出过程.24、(10分已知：如图，RtABCRtADE，ABC=ADE=90，试以图中标有字母地址为端点，连结两条线段，假如你所连结地两条线段知足相等、垂直或平行关系中地

7、一种，那么请你把它写出来并说明原因.A英语部分.单项选择21.He_whentheUFOarrived.A.wassleepingB.weresleepingC.hassleptD.isasleep(22.Ihavebeenskating_nineoclock.A.forB.sinceC.atD.from(23.Wouldyoumind_thoseoldjeans?A.dontwearB.nottowearC.arentwearing(24.-Hesneverbeentoanaquarium.DBFCED.notwearing-_.A.NeitherhaveIB.NeitherdoIC.Ine

8、vertooD.Idonttoo(25.Itsreallycoldtoday,_?A.doesitB.doesntitC.isntitD.isit(26._haveyoubeenswimming?Forfiveyears.A.HowmanytimesB.HowlongC.HowoftenD.Howmuch(27.-Couldyouplease_intheroom?-Oh,Imsorry.A.notsmokingB.notsmokeC.nottosmokeD.dontsmoke(28.-Couldwebuyapiano,Jack?-Imafraidthere_enoughroomforonein

9、thehouse.A.arentB.areC.isntD.is(29.Igothome_theywerehavingdinner.A.assoonasB.whileC.becauseD.after(30.Wegotmad_theteamforlosingthematch.A.atB.inC.onD.about(31.She_alotofmoneyonclothes.A.takesB.costsC.spendsD.buys(32.Iwillstayathomeandreadbooksifit_tomorrow.A.israiningB.rainsC.rainD.willrain(33.Thete

10、acherencouragesherstudents_Englishasmuchaspossible.A.tospeakB.speakingC.speakD.spoke(34.Hisfather_toNanjing.He_backnextweek.hasbeen,isBhasbeen,willbeC.hasgone,isD.hasgone,willbe(35.Theteachersaidthatthey_hard-workingstudents.A.isB.areC.wereD.was.用所给词语地适合形式达成以下句子.5分）lookthroughdiscovercollectgetoverk

11、eepdown36.Doyouknowwho_America?3/9个人采集整理-仅供参照37.Heisinhisbedroomand_thenewspapersforajob.38.Heisangrywithmenow.Buthewillunderstandmeand_itsoon.39.Herbrotherlikesstampsandhe_overahundredstampsnow.40.Weshould_ourvoiceinpublicplaces.补全对话Whatareyoudoing,Jenny?41._Imcleaningthehouse.Doyouoftendoit?Someti

12、meswhenImfree.42._Hereitis.Whatwillyoudoafteryoufinishingthecleaning?43._44._Letsgoswimming,shallwe?Soundsgreat.Letmehelpyouthen.45._Thankyou.A.Nothingmuch.B.Inthiswayyoucanfinishtheworksooner.C.Whatbadweather!D.Cantyousee?E.Canyouseethebook?F.Itwillbeapitytostayathomeinsuchfineweather.G.Couldyouple

13、asepassmethetowel?41._42._43._44._45._(B用适合地词语补全下边对话.Hello.MayI46._MrBrown.Sorry,heisntin.He47._toFrance.Well,thendoyouknow48._?Hesaidhewouldreturninamonth.Oh,suchalongtime.49._canIgetintouchwithhim?Youmay50._.Whatshistelephonenumber?Its00334760488532.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.Theyheldthecon

14、certto_thecharity.52.他地父亲母亲特别快乐他们地儿子在学习上获得了很大地进步.Hisparentsareveryhappythattheirson_inhisstudy.消防队员很快把火息灭了.Thefirefighters_thefiresoon.你什么时候开始对集邮感兴趣了？Whendidyoubeginto_collectingstamps?55.假如你插队地话，其余人会不快乐地.Otherpeoplewontbehappy_.56.我们班级三分之二地学生来自于南方._.你们不该当违犯学校规定._.他们俩当时都没有在家._.你听闻过这样一个人吗？_？你介怀把电视声音调

15、低吗？4/9个人采集整理-仅供参照_?.完形填空isoneof61drinksintheworld.Alotofpeopleenjoy62_it.Butnowpeoplebegintobelievethatitnotagooddrinkforhealth.Thereislotsof63inthecoke.Havingmuchsugaris64forpeople.Anditalsohassomecaffeine(咖啡因init.Thecaffeinecangetpeopleintothehabit(习惯ofdrinkingmorecokewhentheyfeel65.Iftheydontdrin

16、kcokethey66bad.And67thingissomepeoplecantworkorstudy68drinkiseveralcupsofcokeeveryday.Moreandmorepeoplewanttocutdownthecoketheydrinkandask69helpfromthedoctors.Ifyoulikedrinkingcokeverymuch,IthinkyoumusthavetheCokeHabit.Infactdrinkingmorefruitandvegetablejuiceis70_foryou.(61.A.morepopularB.mostpopula

17、rC.popularD.themostpopular(62.A.drinkB.drinkingC.todrinkD.drinks(63.A.saltB.pepperC.sugarD.juice(64.A.goodB.wellC.tiredD.bad(65.A.hungryB.fineC.thirstyD.excited(66.A.willfeelB.arefeelingC.feltD.feel(67.A.badB.worseC.theworstD.theworse(68.A.notB.withoutC.withD.after(69.A.toB.forC.onD.at(70.A.goodB.we

18、llC.bestD.better.阅读理解阅读短文,而后依据短文内容选择正确答案.Passage1Birdsliveintrees.Squirrels松鼠）liveintrees.Butdidyouknowthatsomefrogs蛙）liveintrees,too?Thetreefrogishardtofind.Itcanchangecolors.Ongreenleaves,itstaysgreen.Onabrownbranch树枝）,itturnsbrown.Sometreefrogscanchangefromgreentogoldorblue.Treefrogshavelegsandwi

19、defeet.Theyhavestickypads粘性地肉趾）attheendsoftheirtoes.Thesestickytoepadskeepthetreefrogsfromfalling.Treefrogshavedifferentcolorsandmarkings斑点）ontheirskins.Theireyesaredifferent,too.Somehavegreeneyes,andothershavebrightredones.Thesoundtheymakearedifferent,too.Onefrogmakesasoundlikeadogbarking.Anotherfr

20、ogmakesaloudnoiselikeasnore打鼾）.Thereisevenafrogthatwhistles71.Thesefrogsarehardtofindbecause_.A.theystayintreesB.theycanchangetheircolorsC.theyhavestickypadsD.theymakesurprisingsounds(72.Iftheseasonisspring,thecolorsoftreefrogsis_.A.goldB.brownC.greenD.blue(73.Thetreefrogscanstayontreesbecause_.A.th

21、eyhavestickypadsB.theycanchangetheircolorsC.theyarestrongD.theyaresmall(74.Whichofthefollowingsentencesisright?A.Thetreefrogshavedifferentcolorsandfeathers75.Thepassageismainlyabout_.A.thecolorsofaspecialfrogB.thesoundofaspecialfrogC.theeyesofaspecialfrogD.afrogthatisspecialPassage2Mostoftheflowersi

22、nnaturearered,orangeandyellow.Ifwehaveseenablackflower,itschanceinmillPeoplehavemadeasurveyofcolorsofmorethanfourthousandkindsofflowersandfoundthatonlyeightof5/9个人采集整理-仅供参照themareblack.Asweknow,sunlightisformed(形成bysevendifferentcoloredlights.Thewavelength(波长ofeachlightisdifferent,sothequantity(量ofh

23、eatineachlightisalsodifferent.Flowersespeciallytheirpetal(花瓣,areeasytobeharmed(损害byhightemperature.Blackflowerscantakeinallthelightwaveswhichcausetheflowerstodryupinahightemperature.Soblackflowerscanrarely(极少survive(挺过sunlight.Butredflowers,orangeflowersandyellowflowerscanprotect(保护themselvesfromsun

24、lightbyreflecting(反射theredlight,orangelightandyellowlight,eachofwhichhasalargequantityofheat.(76.Peoplecan_seeblackflowers.A.oftenB.neverC.hardlyeverD.always(77.Theunderlinedword“them”inthesecondparagraphefersto(指_.A.athousandB.colorsC.flowersD.kinds(78.Thepassagemainlytellsusthat_.A.blackflowersare

25、tooweakanditisdifficultforthemtogrowupB.thereareonlyeightblackflowersinnatureC.sunlighthassevendifferentcoloredlightsandthewavelengthofeachisdifferentD.whyitsdifficultforblackflowerstogrow(79.Howdoredflowers,orangeflowersoryellowflowersprotectthemselvesfromsunlight?A.Bytakinginthelight.B.Byreflectin

26、gthelight.C.Byhidingthemselves.D.Bysleeping.(80.WhichofthefollowingideasisNOTright?A.Theblackflowerscannotprotectthemselvesfromthesunlight.B.Red,orangeandyellowflowerscanalsotakeinthelightofallwavelengths.C.Peoplehavefoundthatonlyafewkindsofflowersareblack.D.Flowersareeasytobeharmedbyveryhightempera

27、ture.(B阅读短文，而后依据短文内容填写表格或回答以下问题.Passage3Peoplelivearoundtheworld.Theyliketohavecelebrations(庆贺活动.InChina,peoplecelebrateNewYear.NewYearisinJanuaryorFebruary.Theywearredclothesbecauseredisthecolorthatwillbringjoy.Chinesechildrengetmoneyinredenvelopesforthenewyear.InGambia(冈比亚,peoplecelebrateIndepende

28、nceDay(独立日.ItisinFebruary.Theywearbrightclothesandplaymusicatthecelebration.InEngland,peoplecelebrateMayDay.MayDayisinMay.Theywearprettyclothestocelebratethecomingspring.Thechildrenliketodanceonthisday.InAmerica,peoplecelebrateThanksgivingDay(感恩节.ItsinNovember.Theyhaveaverybigdinnerwiththeirfamilies

29、orfriends.Theyeatturkeysandalotofotherdeliciousfood.Theyhavealongtalkafterdinner.CelebrationsAroundtheWorld61._CelebrationsMonthsClothesChinaNewYearJanuaryorFebruary62._Gambia63._Februarybrightclothes64._MayDayMayprettyclothesAmericaThanksgivingDay65._Passage4AreyouinterestedinHelmutNewtonandJohnPil

30、ger?Doyouwanttolearnmoreabouttheirpainting?CometoBarbicanGallery(画廊!BarbicanGalleryOpenMon,Thu-Sat10am-6pm(HelmutNewton;Tue,Wed,Sun10am-9pm(JohnPilgerTicketsAdults(成人￥7Students,youngpeople12-17,over60s￥5Disabledpeoplewithcompanion￥3.5Under12freeBarbicanCarddiscount(折扣20%offfullpriceticketsGroupBooki

31、ngsCanbemadethroughtheGroupsline73827211Adultgroupsof10ormore￥6each6/9Schoolandfulltimestudentgroupsof10ormore个人采集整理￥2each.-供参照86.WhenmayyougotoBarbicanGallerytoseethepaintingsonTuesday?_.87.Doesachildundertwelveneedtopayanymoneytoseethepaintings?_.88.WhosepaintingscanyouseeifyougotothegalleryonSatu

32、rday?_.89.Whattelephonenumbercanyoucallifyouwanttobooktickets?_.90.Howmuchshouldyoupayifyouwanttobuyticketsforgroupoftenstudents?_.面表达比四分之三多地是用英.并一你是怎学英地.数学部分一、(每小有且只有一个答案正确，每小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(每小4分，共32分11、；12、；13、某校初三年400名学生体重状况地全体；14、80分15、BC=EF(答案不独一；16、30；17、9；18、四棱或五面体；三、解答(共78分01219、解：(2分(1分(1分(2分数表示正确2分；20、明：ADBC，EFBC于F(已知ADEF(同位角相等，两直同等或在同一平面内，垂直于同一条干地两条直平行1=E(两条直平行，同位角相等2=3(两条直平行，内角相等又3=1(已知1=2(等量代AD均分BAC(角均分地定每空2分，共8分；21、形以下，每个3分，共9分；主左俯22、形略，(3分(1像字母M；(2分A(2横坐