江苏省无锡市积余教育集团2024年英语八年级第二学期期末达标检测试题含答案

江苏省无锡市积余教育集团2024年英语八年级第二学期期末达标检测试题满分120分，时间90分钟一、单项选择（共10小题，满分20分）1、Ioftenvolunteermytime_________others.A.help B.willhelp C.tohelp D.helping2、—Asastudent,we________studytoohardbecausehardworkleadstosuccess.—Iagree.A.mustn’t B.needn’t C.shouldn’t D.can’t3、—Imustfinishmyhomeworkfirst.I’mafraidIcan’tgoshoppingwithyou.—________A.Welldone! B.Whatapity! C.Goodjob!4、LiuFengjun,thefinalassemblyinspector(总装检验员)ofShenzhouVI,islikeascanner.Hecheckseverystepagainandagain.Inhisopinion,qualitycheckissomethingveryimportant.Justasthesayinggoes,“_________”A.Everydoghasitsday. B.Don’tputalltheeggsinonebasket.C.Afriendinneedisafriendindeed. D.Youcan’tbetoocareful.5、LiMingwasabletospeakEnglish________thosefromtheUSAwhenhewassevenyearsold.A.asgoodas B.aswellas C.sogoodas D.sowellas6、—Kitty,couldIknow________?—Ofcourse.I’mgoingtothecountrysidetovisitmygrandparents.A.whyyouwenttothecountrysideB.howyouplantospendyourweekendC.whereyourgrandparentsliveD.howyouvisityourgrandparents7、It’s________formanyorganizationstodotheirworkone-to-onewithoutvolunteers.A.helpful B.impossible C.careful D.necessary8、PoyangLakeis_________freshwaterlakeinChina.A.large B.larger C.largest D.thelargest9、—Couldyouhelpme________thearticletoseeifthereareanymistakes?—OfcourseIcan.A.lookafter B.looklike C.lookthrough D.lookout10、—Didyoufeel________wasselfishofJacktohidethecomicbooks?—Yes.Itisimportant________aboytolearntoshare.A.that;of B.that;for C.it;of D.it;for二、完形填空（10分）11、阅读下面短文，掌握其大意，然后从各小题所给四个选项中选出最佳选项。Ms.Smithstoodinfrontofhersecond-gradeclass.Shepointedata____1____ofthecontinentofNorthAmerica.“Doyouseethesebig____2____placesinthemiddleofthecontinent?”Sheasked.“Theyareknown____3____theGreatLakes.Therearefiveofthem.”Shewentontosay,“ThesebigbodiesofwaterareLakeSuperior,LakeMichigan,LakeHuron,LakeErieandLakeOntario.”Asshesaideachname,Ms.Smith____4____adifferentblueplaceonthemap.ShethenpointedbelowandabovetheGreatLakes.“Theselakesarebetweentwobig____5____.Whocantellmethenamesofthem?”“TheUnitedStates”saidJennifer“AndCanada,”addedEli.“Youareboth____6____,”saidMs.Smith.“Andthesebiglakesare____7____withfreshwater.Thewaterinthemisnotsalty!”“Andy____8____hishand.”“Arethere____9____intheGreatLakes,Ms.Smith?”“Yes,”shereplied,“aboutthreehundredandfiftykindsoffisheslivethere.Andthelakesgivefreshwatertomorethanfortymillionpeople.”“Wow!”saidMartha.“Icanseewhytheyare____10____theGreatLakes.”1.A.lake B.country C.map D.student2.A.blue B.green C.white D.red3.A.for B.as C.with D.of4.A.picked B.built C.made D.dug5.A.oceans B.trees C.islands D.countries6.A.lazy B.right C.polite D.shy7.A.set B.played C.mixed D.filled8.A.putup B.gaveup C.showedup D.tookup9.A.people B.water C.ice D.fish10.A.imagined B.called C.told D.created三、完成句子（共5小题，满分10分）12、The________ofthisactivityistotrainpeopletoworkwiththosespecialathletes.(目的)13、成千上万吨的垃圾被送到那里。______________tonsofgarbagearesentthere.14、老师警告我们不要在河中游泳。（汉译英）______________________________________________________15、在我国浙江省，一种前所未知的动物化石被科学家发现了。Fossilsofan________animal________________inZhejiangProvince________thescientists.16、Sheopenedthed________andletusintoherhome.四、阅读理解（40分）17、Iworkatacompany(公司)wherethereareaboutanumberofemployees.Ican’tsaythatIknowthemallbyname,butIknowmostofthem.Becauseit’sallbasedononesimpleprinciple:Ibelieveeverysinglepersonshouldberespected,howeversmallorsimplethegreetingis.WhenIwasabouttenyearsold,Iwaswalkingdownthestreetwithmymother.ShestoppedtospeaktoMr.Lee.Iwasbusytryingtothrowarockatthe“O”inthestopsign.IknewIcouldseeMr.Leeanyoldtimearoundtheneighborhood,soIdidn’tpayanyattentiontohim.AfterwepassedMr.Lee,mymotherstoppedmeandsaidsomethingthathasbeenwithmefromthatdayuntilnow.Shesaid,“Youletthatbethelasttimeyoueverwalkbysomebodyandnotopenupyourmouthtospeak,becauseevenadogcanwagitstailwhenitpassesyouonthestreet.”Fromthatdayon,thissentencehasalwaysbeeninmyheart.Ibelievethateverypersondeserves(应得)tofeelsomeoneacknowledge(承认)theirpresence,nomatterhowlowtheirsocialpositionmaybeorevenhowimportant.Irememberedafterafewyearsofpassingbytheboss,Ihadthecouragetoaskhimforameeting.Wehadagreattalk.Atacertainpoint,IaskedhimhowfarhethoughtIcouldgoinhiscompany.Hesaid,“Ifyouwantto,youcangetallthewaytothisseat.”Thedayyouspeaktosomeonewhohashisheadhelddownandwhenheliftsitupandsmiles,yourealizehowpowerfulitisjusttoopenyourmouthandsay,“Hello.”1.Whatdoestheunderlinedword“principle”inparagraph1mean?A.method B.knowledge C.belief D.theme2.HowdidthewriterbehavewhenhesawMr.Lee?A.ThewritertalkedhappilywithMr.Lee. B.ThewriterandMr.Leehadabigfight.C.ThewritergreetedMr.Leewithasmile. D.ThewriterpaidnoattentiontoMr.Lee.3.Whatdidthewriter’smotherthinkofhisbehavior?A.Hismotherwasproudofhim. B.Hismotherdidagreewithhim.C.Hismotherthoughthewasimpolite. D.Hismotherencouragedhimtodolikethat.4.Whatcanyouinferfromthewordsoftheboss?A.Hethoughtwellofthewriter. B.Helookeddownuponthewriter.C.Hewillincreasethesalaryofthewriter. D.Hewillkickthewriteroffthecompany.5.Whichisthebesttitleforthetext?A.TheStoryofMyChildhood B.ThePowerofGreetingC.AnUnusualExperience D.MeetingtheBestLeaders18、Theapps(用程)onmyphonehelpmehaveaneasylife.AlarmClockforMeIsetthreealarms.6:4a.m.:Wakeup9:00a.m.:Runintheparkforexercise10:00p.m.:GotobedWhenthealarmrings,Icanalwayshearmyfavouritemusic.WeatherBugWhatwilltheweatherbeliketomorrow?WeatherBugtellsme.Letmehavealookatit.Itwillbewindytomorrow.I’llhavetowearmyjacket.Thereisalsoamapontheapp.Iwon’tgetlostwithit.DuolingoItwillteachyouusefulphrasesandsentencestructures.Asyouprogressthroughthe“languagetree”,youwillmovefrombasicstotopicslikeartandpolitics.Youcaneventestoutsomeofyourlearningskills.1.Whatdoesthepassagemainlytalkabout?A.Smartphones. B.Someapps. C.Alarms. D.Sharedbikes.2.Whendoesthewriterbegintoexercise?A.At6:4a.m. B.At7:00a.m. C.At9:00a.m. D.At10:00p.m.3.Besidesweatherreports,whatelseisonWeatherBug?A.Ajacket. B.Aclock. C.Healthtips. D.Amap.4.WhatdoyouthinkDuolingowillhelpyouwith?A.Languagelearning. B.Sportsskills. C.Singing. D.Drawing.19、June29th,202Dearprincipal(校长),Ithinkthestudentsinourschoolshouldwearuniforms.Uniformswillhelpourfamiliessavemoney,sincewewouldhavetobuyonlyoneortwouniformsforthewholeyear.Also,uniformscouldgiveusmoreprideinourschool.Andbestofall,ifweallwearuniforms,kidswouldn’tteaseeachotherabouttheirclothes.Iknowsomestudentsthinkuniformsareuglyanduncomfortable.Butmaybewecanpickauniformthateveryonelikes.Iamsureit’sawonderfulideaforourschool.Sincerely,JustinJones1.Whoisthisletterwrittenby?A.Afather. B.Amother. C.Ateacher. D.Astudent.2.Howmanyadvantagesofwearinguniformsarelistedinthisletter?A.Two. B.Three. C.Four. D.Five.3.Justinwrotethisletterto________.A.askfornewclothes B.talkabouthisstudyC.thankstheprincipal D.advisethatstudentswearuniforms20、Couldyouimaginecarsdrivingwithouthumandrivers?Recently,Chinahasmadeabigsteptowardself-drivingtechnology.ThisAugust,moreandmoredriverlesstaxisrunonroadsinmanybigcitiesinChina.Whydowedevelopself-drivingcars?Self-drivingcarsgiveusmanybenefits.Theyusecomputerstosensethethingsaroundthemandmakebetteruseofspace.Thismeansfewertrafficjamsandbetterparkingofcars.Manypeoplecannotdriveforvariousreasons,includingage,disability,orlackofexperience.Now,theycangetaroundmoreeasily.Drivingbecomesmoreconvenient.Accordingtoaresearch,eachyear,over1.3millionpeopledieincaraccidentsaroundtheworld,andmanymoregethurt.Self-drivingcarscanreduce(减少)roadaccidentsby90%andsavealotofmoney.Themaincauseofcaraccidentsishumanmistakes.Byusingcomputers,self-drivingcarsdon’tmakepoordecisionsorloseattentionlikehumansdo.Theycanimprovedrivingsafety.Butself-drivingcarsaren’tperfect.Ifsomethingunexpectedontheroadhappens,self-drivingcarscan’treact(反应)asfastasahumandrivercan.Also,duringweathereventslikeheavysnow,itwillbedifficultforself-drivingcarstoseethelinesontheroad.Itmightleadtoanaccident.Thecomputersysteminthecarcanalsogethacked(非法入侵)bysomeone,causingittocrash.It’sclearthatthereisalotofworktodotomakeself-drivingcarsacommonandsafesightonourroads.AndChinaistakingtheleadinmakingthishappen.1.Whichofthefollowingisabenefitofself-drivingcarsaccordingtothepassage?A.Theydon’tneedparkingspace. B.Theycanteachpeoplehowtodrive.C.Theyallowdisabledpeopletotravelmoreeasily. D.Theycostlessmoneytomakeandrepair.2.Whycanself-drivingcarshelpreduceroadaccidents?A.Becausetheycancorrecthumanmistakeswhiledriving.B.Becausetheircomputerscanpredictallroadaccidents.C.Becausecomputersdonothaveattentionproblems.D.Becausetheycanseeclearlyeveninbadweathers.3.WhatisParagraph4mainlyabout?A.Theweaknessesofself-drivingcars. B.Thebenefitsofhavingahumandriver.C.Howroadaccidentsusuallyhappen. D.Howthecomputersinself-drivingcarswork.4.Whatdoweknowfromthelastparagraph?A.Manycountriesareworkingtogethertodevelopself-drivingcars.B.Self-drivingcarsneedcleanandsaferoadstorun.C.Wecanalreadyseeself-drivingcarseverywhereinChina.D.Chinaistryingtomakeself-drivingcarssaferandmorecommon.五、补全对话（10分）21、根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。A:Goodmorning,sir._____1_____?B:Yes.Iwanttobuyasuit.A:Wehavesuitsindifferentstyles.Whichonedoyoulike?B:Ilikethisone.Itseemssuitableformetowearatformalmeetings.CanItryiton?A:Yes._____2_____?B:SizeM.A:Whatcolorwouldyouprefer,darkblueorblack?B:_____3_____.A:Hereisadarkblueone.B:Whereisthefittingroom?A:Thefittingroomisoverthere.B:Thankyou.(Aftertenminutes)A:_____4_____?B:Hmm,itfitsmequitewell.I’llbuyit._____5_____?A:1000yuan.Youcanpayatthecounter(柜台)overthere.B:OK.Thankyou.六、阅读表达（10分）22、请阅读下面短文，根据所提供的信息，回答5个问题，要求所写答案语法正确，语义完整切题，并把答案写在答题卡对应题目的答题位置上。Readingshouldbepartofourlife.Buttheproblemisthatthere’stoomuchtoreadthesedaysandwehavetoolittletimetoread.Ifwewanttoreadmorebooksandgetmoreknowledgebyreadingbooks,weshouldtrytolearnsomereadingskills.Herearesomeskills.Preview—ifthematerialsarelongandhard.Previewingisveryusefulforgettingageneral(总结)ideaoflongarticlesandreports.Wecanreadthefirsttwoparagraphsandthelasttwoparagraphscarefully,andthenwecanonlyreadthefirstsentenceoftheotherparagraphs(段落).Skim—ifthematerialsareshortandeasy.Skimmingisagoodwaytogetageneralideaofpopularmagazinesorthesports,starsandmoviesofdailypaper.Whileskimming,getoureyestomovefastandsweepthemacrosseachline.Wecanpickuponlyafewkeywordsineachline.Everybodyskimsdifferently.Peoplemaynotpickupthesamewordswhenweareskimmingthesamenews,butusuallywecangetthesameideasofwhatitisallabout.1.What’sourprobleminreading?_____________________________________________2.Whatcanwedoifwewanttoreadmorebooks?_____________________________________________3.Howmanyreadingskillsdoesthepassagetalkabout?_____________________________________________4.Whatshouldwedoifwewanttoreadalongarticlequickly?_____________________________________________5.Whatshouldoureyesdowhenweareskimming?_____________________________________________七、书面表达（20分）良好的家庭关系对青少年的健康成长至关重要。然而，不少青少年容易与父母产生矛盾。我们应如何与父母和谐相处呢？假如你是李华，请以“Howtokeepagoodrelationshipwithparents”为题写一篇英语短文。内容包括：作文要求：HowtokeepagoodrelationshipwithparentsI’mLiHua.Idon’tagreewithmyparentssometimes.______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________.

参考答案一、单项选择（共10小题，满分20分）1、C【解析】【详解】句意：我经常志愿抽出时间帮助他人。考查非谓语动词。volunteerone’stimetodosth“花费时间志愿做某事”，因此空格处填tohelp。故选C。2、D【解析】【详解】句意：——作为一名学生，我们再努力学习也不为过，因为努力工作导致成功。——我同意。考查情态动词。mustn’t禁止；needn’t不必；shouldn’t不应该；can’t不能。can’t...too...“再……也不为过”，是固定搭配。故选D。3、B【解析】【详解】句意：——我必须先完成作业。恐怕我不能和你一起去购物了。——真遗憾！考查情节交际。Welldone!做得好；Whatapity!真遗憾；Goodjob!做得好。根据“I’mafraidIcan’tgoshoppingwithyou.”可知，很遗憾不能一起去购物，故选B。4、D【解析】【详解】句意：神舟六号总装检验员刘峰均就像一台扫描仪。他一遍又一遍地检查每一步。在他看来，质量检查是一件非常重要的事情。正如俗话所说，你再小心也不为过。考查谚语。Everydoghasitsday风水轮流转；Don’tputalltheeggsinonebasket不要孤注一掷；Afriendinneedisafriendindeed患难见真情；Youcan’tbetoocareful再小心也不为过。根据“Hecheckseverystepagainandagain.Inhisopinion,qualitycheckissomethingveryimportant.”可知，他一遍一遍地检查每个步骤，即再小心也不为过。故选D。5、B【解析】【详解】句意：李明在七岁的时候就能说和那些来自美国的人一样好的英语了。考查副词原级。根据“LiMingwasabletospeakEnglish...”可知用副词修饰动词，排除A、C；肯定句中用as...as表示“和……一样……”，这里用aswellas表示“和……一样好”。故选B。6、B【解析】【详解】句意：——Kitty，我能知道你周末打算怎么过吗？——当然。我打算去乡下看望我的祖父母。考查情景交际和宾语从句。whyyouwenttothecountryside你为什么去了乡下；howyouplantospendyourweekend你打算如何度过周末；whereyourgrandparentslive你的祖父母住在哪里；howyouvisityourgrandparents你如何看望你的祖父母；根据答语“I’mgoingtothecountrysidetovisitmygrandparents.”可知问话的人想知道对方去哪里。故选B。7、B【解析】【详解】句意：许多组织在没有志愿者的情况下一对一地开展工作是不可能的。考查形容词辨析。helpful有帮助的；impossible不可能的；careful小心的；necessary有必要的。根据“manyorganizationstodotheirworkone-to-onewithoutvolunteers”可知，空处填“不可能”符合语境，其他语意不通。故选B。8、D【解析】【详解】句意：鄱阳湖是中国最大的淡水湖。考查形容词最高级。根据“inChina.”可知此处是在整个中国里进行比较，应用形容词最高级，故选D。9、C【解析】【详解】句意：——你能帮我通读这篇文章，看看是否有错误吗？——当然可以。考查动词短语。lookafter“照顾”；looklike“看起来像”；lookthrough“浏览”；lookout“当心”。根据“…thearticletoseeifthereareanymistakes”可知，浏览这篇文章，看看是否有错误。故选C。10、D【解析】【分析】【详解】句意：——你觉得Jack把漫画书藏起来很自私吗？——是的。对一个男孩来说学会分享是很重要的。考查it的用法和介词。根据“Itisadj.todosth.”可知，第一空it符合句意；根据“important”可知，修饰的是“learntoshare”这件事，因此用介词for“对……来说”。故选D。二、完形填空（10分）11、1.C2.A3.B4.A5.D6.B7.D8.A9.D10.B【解析】【导语】本文主要是史密斯女士向学生们介绍五大湖的故事。【1题详解】句意：她指着一张北美大陆的地图。lake湖；country国家；map地图；student学生。根据下文“adifferentblueplaceonthemap.”可知是指地图，故选C。【2题详解】句意：你看到大陆中部那些蓝色的大地方了吗？blue蓝色；green绿色；white白色；red红色。根据下文“adifferentblueplaceonthemap.”可知此处是指蓝色的地方，故选A。【3题详解】句意：它们被称为五大湖。for为了；as作为；with和；of……的。beknownas“被称为”，为固定短语，故选B。【4题详解】句意：当她说出每个名字时，史密斯女士在地图上挑了一个不同的蓝色地方。picked挑选；built建立；made制作；dug挖。根据“Asshesaideachname,Ms.Smith...adifferentblueplaceonthemap.”以及下文“ShethenpointedbelowandabovetheGreatLakes.”可知史密斯女士在地图上挑了一个不同的蓝色地方。故选A。【5题详解】句意：这些湖位于两个大国之间。oceans海洋；trees树；islands岛；countries国家。根据下文“TheUnitedStates”和“AndCanada,”可知是指两个国家，故选D。【6题详解】句意：你们都是对的。lazy懒的；right正确的；polite礼貌的；shy害羞的。根据语境可知，史密斯女士认为两位同学的回答都是正确的，故选B。【7题详解】句意：这些大湖充满了淡水。set建立；played玩；mixed混合；filled填充。befilledwith“充满”，符合语境，故选D。【8题详解】句意：安迪举起手来。putup举起；gaveup放弃；showedup出现；tookup占据。根据“hishand”可知是指举手提问，故选A。【9题详解】句意：史密斯女士，五大湖里有鱼吗？people人们；water水；ice冰；fish鱼。根据下文“aboutthreehundredandfiftykindsoffisheslivethere.”可知是指鱼，故选D。【10题详解】句意：我明白它们为什么被称为五大湖了。imagined想象；called称为；told告诉；created创建。根据“Icanseewhytheyare...theGreatLakes”以及上文“Theyareknown...theGreatLakes.”可知是指这个学生理解了为什么它们被称作五大湖，故选B。三、完成句子（共5小题，满分10分）12、purpose【解析】【详解】句意：这项活动的目的是训练人们和那些特殊的运动员一起工作。purpose“目的”，可数名词，因谓语动词为is，所以设空处应用名词的单数形式，作主语。故填purpose。13、①.Thousands②.of【解析】【详解】结合中英文提示可知，此处缺少thousandsof“成千上万的”，是固定用法，故填Thousands；of。14、Teacherswarnusnottoswimintheriver.##Teacherswarnedusnottoswimintheriver.##Theteacherwarnsusnottoswimintheriver.【解析】【详解】teacher教师，此处无法确定是一位老师还是多位，故主语应用teacher(s)，warnsb.nottodosth.警告某人不要做某事，此处无法确定是否为过去发生的动作，故动词warn应用一般现在时或一般过去时，us我们，人称代词宾格，swimintheriver在河里游泳。故填Teacherswarnusnottoswimintheriver./Teacherswarnedusnottoswimintheriver./Theteacherwarnsusnottoswimintheriver.15、①.unknown②.were③.discovered④.by【解析】【详解】根据中英文对照可知，unknown“未知的”，形容词，作定语修饰名词animal。此处是一般过去时的被动语态，结构是was/weredone，主语Fossils是复数，故用were。by“被”，用于被动语态。故填unknown；were；discovered；by。16、(d)oor【解析】【详解】句意：她打开门，让我们进入她家。根据“letusintoherhome.”及所给的首字母提示可知，这里是她打开门，door意为“门”，这里用单数。故填(d)oor。四、阅读理解（40分）17、1.C2.D3.C4.A5.B【解析】【导语】本文主要讲述了作者的一个简单的原则：尊重每一个人，无论他们的社会地位如何。作者从小就被母亲教导要主动和人打招呼，因为每个人都应该被认可。作者在公司工作时，也秉持着这个原则，认为每个人都值得被尊重。【1题详解】词义猜测题。根据“Ican’tsaythatIknowthemallbyname,butIknowmostofthem.Becauseit’sallbasedononesimpleprinciple:Ibelieveeverysinglepersonshouldberespected,howeversmallorsimplethegreetingis.”可知，作者认识公司的大部分人，是基于自己的一个原则：每一个人都应该受到尊重，单词“principle”指的是“准则，原则”，与C选项意思一致，故选C。【2题详解】细节理解题。根据“Iwasbusytryingtothrowarockatthe‘O’inthestopsign.IknewIcouldseeMr.Leeanyoldtimearoundtheneighborhood,soIdidn’tpayanyattentiontohim.”可知，作者没有注意到李先生，故选D。【3题详解】细节理解题。根据“AfterwepassedMr.Lee,mymotherstoppedmeandsaidsomethingthathasbeenwithmefromthatdayuntilnow.Shesaid,‘Youletthatbethelasttimeyoueverwalkbysomebodyandnotopenupyourmouthtospeak,becauseevenadogcanwagitstailwhenitpassesyouonthestreet.’”可知，作者的妈妈认为他不礼貌，并对他进行了谈话，故选C。【4题详解】推理判断题。根据“IaskedhimhowfarhethoughtIcouldgoinhiscompany.Hesaid,‘Ifyouwantto,youcangetallthewaytothisseat.’”可知，公司老板应该是很认可作者，对作者评价很高，故选A。【5题详解】最佳标题题。根据“Thedayyouspeaktosomeonewhohashisheadhelddownandwhenheliftsitupandsmiles,yourealizehowpowerfulitisjusttoopenyourmouthandsay,‘Hello.’”以及整个文章的理解可知，作者认为张口和别人打招呼虽然是简单的举动，但是给人带来的力量是很大的，故选B。18、1.B2.C3.D4.A【解析】【导语】本文主要介绍了作者手机上的几个让他生活更容易的应用程序。【1题详解】细节理解题。根据“Theapps(用程)onmyphonehelpmehaveaneasylife.”可知，我手机上的应用程序帮助我过着轻松的生活。由此可知，这篇文章主要讲一些应用程序。故选B。【2题详解】细节理解题。根据表格一中的时间安排“9：00a.m.:Runintheparkforexercise”可知，作者上午9点开始锻炼。故选C。【3题详解】细节理解题。根据表格一中的描述“Thereisalsoamapontheapp.”可知，应用程序上除了天气预报，还有一张地图。故选D。【4题详解】推理判断题。根据表格三中的描述“Itwillteachyouusefulphrasesandsentencestructures.Asyouprogressthroughthe‘languagetree’...”可知，它会教你有用的短语和句子结构。当你在“语言树”中前进时……，由此推断，Duolingo会帮人们学习语言。故选A。19、1.D2.B3.D【解析】【导语】本文是Justin写给校长的信，建议学校选一套学生都喜欢的制服。【1题详解】推理判断题。根据“Dearprincipal(校长),”和“Also,uniformscouldgiveusmoreprideinourschool.Andbestofall,ifweallwearuniforms,kidswouldn’tteaseeachotherabouttheirclothes.”可知这封信是一个学生写给校长的，故选D。【2题详解】细节理解题。根据“Uniformswillhelpourfamiliessavemoney,sincewewouldhavetobuyonlyoneortwouniformsforthewholeyear.Also,uniformscouldgiveusmoreprideinourschool.Andbestofall,ifweallwearuniforms,kidswouldn'tteaseeachotherabouttheirclothes.”可知穿校服有三条好处，故选B。【3题详解】主旨大意题。根据“Ithinkthestudentsinourschoolshouldwearuniforms.”和“Butmaybewecanpickauniformthateveryonelikes.Iamsureit’sawonderfulideaforourschool.”（但也许我们可以挑一件大家都喜欢的制服。我相信这对我们学校来说是个好主意。）可知Justin写这封信是为了建议学生穿校服。故选D。20、1.C2.B3.A4.D【解析】【导语】本文主要介绍了中国在自动驾驶技术方面取得的重大进展。【1题详解】细节理解题。根据“Manypeoplecannotdriveforvariousreasons,includingage,disability,orlackofexperience.Now,theycangetaroundmoreeasily.”可知使残疾人出行更加方便是自动驾驶汽车的好处。故选C。【2题详解】细节理解题。根据“Themaincauseofcaraccidentsishumanmistakes.Byusingcomputers,self-drivingcarsdon’tmakepoordecisionsorloseattentionlikehumansdo.Theycanimprovedrivingsafety.”可知自动驾驶汽车可以帮助减少道路事故是因为它们的电脑可以预测所有的交通事故。故选B。【3题详解】段落大意题。根据“Butself-drivingcarsaren’tperfect.”及第四段全段可知这一段的主要内容是自动驾驶汽车的弱点。故选A。【4题详解】细节理解题。根据“It’sclearthatthereisalotofworktodotomakeself-drivingcarsacommonandsafesightonourroads.AndChinaistakingtheleadinmakingthishappen.”可知从最后一段我们知道中国正在努力使自动驾驶汽车更加安全和普及。故选D。五、补全对话（10分）21、1.Can/MayIhelpyou2.Whatsizedoyouwant3.Darkblue/Ipreferdarkblue4.Whatdoyouthinkofit5.Howmuchisit【解析】【导语】本文是顾客去商店买衣服，与店员之间的对话。【1题详解】根据下句“Yes.Iwanttobuyasuit.”可知，此处是店员询问顾客“我能为你效劳吗？”。故填Can/MayIhelpyou。【2题详解】根据下句“SizeM.”可知，此处是店员询问顾客想要什么尺寸。故填Whatsizedoyouwant。【3题详解】根据上句“Whatcolorwouldyouprefer,darkblueorblack?”和下句“Hereisadarkblueone.”可知，此处是顾客回答更想要深蓝色的。故填Darkblue/Ipreferdarkblue。【4题详解】根据下句“Hmm,itfitsmequitewell.”可知，此处是店员询问顾客的看法。故填Whatdoyouthinkofit。【5题详解】根据下文“1000yuan.”可知，此处是顾客询问价格。故填Howmuchisit。六、阅读表达（10分）22、1.Ourproblemisthatthere’stoomuchtoreadthesedays.2.Weshouldtrytolearnsomereadingskills.3.Two.4.Wecanread