Unit 4　Life on Mars单元测试（含解析）

Unit4LifeonMars一、单项选择(共10小题,计10分)()1.—Andypracticedhardestamongusandhewonfirstprizeinthecompetition.—Adreamcan'tcometruehardwork.

A.by B.across C.over D.without()2.You'llhavetogetyourparents'ifyouwanttogoonthetrip.

A.achievement B.announcement C.agreement D.advertisement()3.Thecakeisso.I'dliketohaveanotherone.

A.tasty B.salty C.sour D.bitter()4.TheairisbadlyandPM2.5pollutionisreallyharmfultopeople'shealth.

A.fixed B.broken C.impressed D.polluted()5.—Iwanttogiveuptheplanbecauseitistoodifficult.—Nomatterwhatdifficultyyouwillmeet,yourplan.Ibelieveyoucanmakeit.

A.carryout B.sendout C.putout D.goout()6.—Theworldhaschangedsincetheinventionofthecomputerandsmartphone.

—Ican'tagreemore.A.slowly B.rapidly C.smoothly D.peacefully()7.—ItseemsthatHelenalwayswantstotake.

—Yes,you'reright.Shelikestryingnewthings.A.walks B.exams C.risks D.breaks()8.—Ifyoualwaysyourselfwithothers,youmayhavemuchstress.

—Iagree.Weshouldbelieveinourselves.A.compare B.communicate C.connect D.consider()9.—TheDragonBoatracesaresoexciting,butourboatisstillbehind.—Sorry.Iamsureourteamwillwin!

A.if B.that C.how D.why()10.—Look!Itisrainingheavily!Idon'tlikerainyweather.—.Itisterribleandmakesmefeelweteverywhere.

A.Metoo B.MeneitherC.Soundsgood D.Notatall二、完形填空(共10小题,计15分)Nowadays,manypeopledrivetheircarstowork.Therearealotofcarsinthestreetandthe11isverybusy.Sosometimes12isnoteasyforpeopletogettoworkontime.Whenyouaregoingtobelate,youonlydreamoftakingaplanethere.Canyourdream13?Yes!Youcantakeaplaneonlyinmonths!

FourengineersinGermanyare14inmakingplanes.Theyaremakinganewplane—Liliumjet.Itdoesn'tlooklikeaplane15anegg.Manypeoplethinkitlooksfunnyandinteresting.Thegreat"egg"cantaketwopeopletotheskyand16threehundredkilometresinonehour.That'sreallygreat.

SomepeoplecallLiliumjet"aflyingcar".Why?Firstly,it'snotdifficultforpeopletolearntodriveit.Peoplecandriveitjustlikedrivingacar.Butitcango17andfartherthanacar.Secondly,Liliumjetisnotverybig,onlyaquarterofaplane.Soitdoesn'tneedanairport.OnlyasmallplaceisOK.Itcanstop18.Inthefuture,the"flyingcar"willcomeintopeople'slifeand19ourwaysoftrip.

Liliumjetwillcomeonthemarketsoon.20youwanttomakeyourtripeasyandfunny,whynotbuyone?I'msureyouwillhaveagoodtimeonit.

()11.A.trafficB.sky C.train D.plane()12.A.this B.that C.it D.one()13.A.comeon B.comeback C.cometrue D.comein()14.A.bored B.interested C.disappointed D.relaxed()15.A.but B.and C.so D.or()16.A.walk B.swim C.fly D.circle()17.A.slower B.faster C.earlier D.later()18.A.where B.nowhere C.everywhere D.when()19.A.change B.find C.lose D.miss()20.A.Unless B.If C.Whether D.Though三、阅读理解(共15小题,计30分)AWouldyouliketoliveinacitywherebuildingsturnthelightsoffforyou,andself-drivingcarsfindthenearestparkingspacethemselves?Althoughitmightsoundalittlefarfromyou,livingina"smart"citylikethiscouldhappensoonerthanyouthink.Greatchangeshavetakenplaceintownsthatwehavelivedinforcenturies,whilecompletelynewcitiesarebeingbuilt.OnesuchplaceisthecityofSongdo.Everyhometherewillhavea"telepresence"system(远程遥控系统)—allowinguserstocontroltheheatingandlocks,attendvideomeetings,andreceiveeducation,healthcareandgovernmentservices.Aroundthecity,escalators(自动扶梯)willonlymovewhensomeoneisonthem,andofficesandschoolswillallbeconnectedtothesystem.ThegreatmindbehindSongdoisfromthecompanyCisco.Infact,technologycompaniesaroundtheworldsuchasIBM,SiemensandMicrosoftarealreadyinthebusiness.About75%oftheworld'spopulationwillliveincitiesby2050,socitieswillneedtobemoremoderntodealwiththecomingproblems."Makingcitiessmarterisonewayout,andIthinkthiswillinturnmakecitiesgreener,"saidDanHill,headofaresearchcompany.()21.Paragraph2ismainlyabout.

A.acityofthefutureB.aplantobuildabuildingC.avideomeetinginSongdoD.areportonpublichealth()22.WhichcompanyoffersthegreatmindtobuildSongdo?A.Siemens. B.Microsoft. C.IBM. D.Cisco.()23.DanHillthinksthatmakingcitiessmarterisonewayto.

A.setupmoreschoolsB.develophisowncompanyC.solvethecities'comingproblemsD.controltheworld'spopulationBThree—two—one,fire!Atthemomentof9:43am,onTuesday,June23rd,2020,attheXichangSatelliteLaunchCenter(卫星发射中心)inSichuanProvince,thelastsatelliteofthethird-generationnetworkwassentintospace.Itisthe55thmemberinthefamilyofBeiDou.ItbelongstoChina'sBeiDouNavigationSatelliteSystem(北斗卫星导航系统).Sofar,59satellites,includingthefirstfourtestones,havebeenlaunchedfromXichang.WiththedevelopmentofChina,wehavealreadyownedthreeotherfamoussatellitelaunchcenters—Jiuquan,TaiyuanandWenchang.Afteraperiodoftestsinspace,thisnewsatellitehasstartedtoworkwithotherBeiDousatellitestogether.Itisdesignedtoworkforatleast12years.Sofar,Chinahascompletedthethird-generationnetworkofChina'sBDS.Itwasanewmilestoneinthenation'sspaceresearchwork.Thelaunchshowsourcountryhascompletedourlargestspace-basedsystem.It'soneofthefourglobal(全球的)navigationnetworks,andtheotherthreearetheUnitedStates'GPS,Russia'sGLONASSandtheEuropeanUnion'sGalileo.BDShasbeenwidelyusedaspublicresources(资源)inourdailylife.Ithasbeensharedbythewholeworld.Itwillprovidemoreservicesaroundtheworld.BDSisthecommonwealthofthedevelopmentofhumanbeings.()24.WheredidChinalaunchthelastsatelliteofthethird-generationnetwork?A.InXichang. B.InJiuquan.C.InWenchang. D.InTaiyuan.()25.Whatdoestheunderlinedword"milestone"meaninChinese?A.记录 B.事业 C.里程碑 D.起点()26.GLONASSbelongsto.

A.China B.theUnitedStatesC.Russia D.theEuropeanUnion()27.Accordingtothepassage,wecanknowthat.

A.thelastsatelliteofBDSwaslaunchedat9:43pm,June23rd,2020B.thenewsatelliteisdesignedtoworkforatmost12yearsC.BDSissharedonlybyChinaaspublicresourcesD.sofar,Chinahascompletedthethird-generationnetworkofChina'sBDSCInthefuture,peoplemaytraveltoMars(火星)bywater-poweredspaceship!Today'sspaceshipsarefineforgettingthingsintospace,buttheyarenotsogoodattravellinglongdistances.Thesespaceshipsburnchemicalfuels(燃料),andtheyareveryexpensive.Scientistssaythatawater-poweredspaceshipcouldmakethetriptoMarsmuchcheaper.Theideaisjustintheplanningstagesnow,butscientiststhinksuchaspaceshipcouldbedevelopedsoon.Thekeytothewater-poweredspaceshipistheengine(发动机).Regularenginespushspaceshipsbyburningfuel.Thewaterenginewillusesteam,createdbysolarpanels(太阳能电池板)thatheatwatertoahightemperature.Ofcourse,thespaceshipwillhavetocarryalotofwaterforthelongtriptoMars.Today'sspaceshipscouldnotcarrythatmuchwater.Butscientiststhinkthataspaceshipblownuplikeaballoonwillbeableto.

OneUScompanyhasalreadydevelopedaspaceshiplikethis.Thesespaceshipsaremadeofastrongmaterial.Twoofthemhavealreadybeensentupintospace,usingrocketsandthenlaterfilledwithair."Balloon"spaceshipscouldbeverylargeandcarryenoughwaterforalongtrip.Withthe"Balloon"spaceships,enoughwatercouldbecarriedtopowertheenginesandgrowfoodduringthetrip.Andthepeopleonthespaceshipmightevengettotakeahotbath!Scientistssaythebiggestadvantageofsuchaspaceshipwouldbecost.The"Balloon"spaceshipuseswatertopushitthroughspaceandcostsaboutonethirtiethofanormalspaceship.Suchsavingsnaturallyencouragecontinuedresearchintoballoonspaceshipsandwaterengines.Ifthesescientistsarecorrect,wemaysoonbeonourwaytoMarsinaspaceshippoweredbywater.()28.Whichsentencebestdescribesthemainideaofthepassageabove?A.Thekeytothewater-poweredspaceshipistheengine.B.Inthefuture,peoplemaytraveltoMarsbywater-poweredspaceship.C.OneUScompanyhasalreadydevelopedaspaceshiplikethis.D.Scientistssaythebiggestadvantageofsuchaspaceshipwouldbecost.()29.Whatdoyouthinkisomitted(省略)attheendoftheunderlinedsentence?A.usesteam B.pushspaceshipsC.heatwater D.carrythatmuchwater()30.Besidesgrowingfood,whatelsemightastronautsdowiththerestofthewater?A.Takeahotbath.B.Freezedangerousthings.C.Blowupaballoon.D.ChangethesurfaceofMars.()31.Onwhichwebsitecanweprobablyreadthispassage?A./powerB./musicC./cultureD./spaceflightDFromtinyseeds(种子),greatdiscoveriesgrow.Amini-gardencarriedonChina'sChang'e4moonlanderrecentlybecamehometothefirstplanttogrowonanotherworld.ThisisyetanothersuccessforChang'e4.OnJanuary3,theprobe(航天探测器)becamethefirstlandertotouchdownonthefarsideofthemoon.Thisistheunknownfaceofthemoonthatisalwayslookingawayfromus,soweneverseeitfromdownhereontheearth.Althoughitisoftenregardedasthedarksideofthemoon,thefarsideactuallygetsasmuchsunshineasthenearside.Forexample,whenallwecanseeisasilversilverofanewmoon,thefarsideofthemoonisinfullsunlight.PartofChang'e4'smission(使命)istoseehowamoonbasecouldbebuiltforhumans,includingexploring(探索)whetherhumanscouldgrowfoodandotherplantproductsthere.Chang'e4carriedamini-gardenwithair,waterandsoilwithseedsplantedinit.Whenplantsshootontheearth,theirstemsgrowawayfromthegravity(theforcethatkeepsyourfeetontheground),andsotheyalwaysshootupwards.Themoon'sgravityisasixthasstrongastheearth's,soChang'e4'sexperimentwasatest:wouldtheearthplantsknowwhichwaywasuponthemoon?Fourdaysafterlanding,atinycottonshootshowedthattheydo.Nighthasnowfallenonthefarsideofthemoon;sunlightwillnotreturnuntilthestartofFebruary.Asaresult,thecottonshootsdied.Besidesthedarkness,theplantscan'tstandthecold(itcandropto-170℃onthemoonatnight).However,theexperimentisasuccess,sinceithasprovedthatitispossibleforplantstogrowinspace.()32.Thetextismainlyabout.

A.anothersuccessforChang'e4B.Chang'e4moonlanderC.tinyseedsinthesoilD.thestepsofanexperiment()33.WhichofthefollowingisTRUEaboutChang'e4?A.Itcarriedamini-garden.B.Itlandedonthenearsideofthemoon.C.Itexploredthemoonbase.D.Itfoundplantsonthemoon.()34.Fromthetextwecanknowthat.

A.thefarsideofthemoongetslesssunlightB.wecanseethefarsideofthemoonfromtheearthC.thestemsfailtogrowawayfromtheearth'sgravityD.theearthplantsknowthewaytogrowonthemoon()35.Whatcanbeinferred(推理)fromthetext?A.Plantscanbegrownonthemoonsoon.B.Itisperfecttodoexperimentsonthemoon.C.Thecottonshootscanlast4daysonthemoon.D.WecanseeanewmoonatthestartofFebruary.四、任务型阅读(共5小题,计10分)请认真阅读下面短文,并根据所读内容在文章后表格中的空格里填入一个最恰当的单词。注意:每个空格只填1个单词。Carspoweredbygasolineweresoldformanyyearsbeforehybridvehiclesthatusegasoline,electricity,andsolarenergy.Carcompaniesarenowmakingcarsthatarefullypoweredbyelectricityonly.Howdotheseelectriccarsmeasureupto(符合标准)traditionalgasolinecars?Electricandgasolinevehicleslooksimilarontheoutside.Theyhaveverydifferentpartsundertheirhoods,though.Electriccarshaveonemainmovingpart:themotor.Butgascarsliterallyhavehundredsofparts,oftenrequiringfrequentmaintenance(保养).Havingfewerpartsmakestheelectriccarcheapertomaintainandlesslikelytohavemechanicalproblems.Electricvehiclesareenergy-efficient,alsomakingthemcheapertooperate.Itcostsabout$1.00totravel43milesinanelectriccar,whichisaclearcontrasttoagascar,whichcostsabout$1.25togo18miles.Basically,anelectriccarcangotwiceasfarasagascarforthesameprice.Electricvehiclesdonothavetailpipeemissions,makingthemmorefriendlytotheenvironment,too.Whilesomedetailsmakeelectriccarsseemattractive,otherdetailsaren'tasfavorable.Forexample,someelectriccarscantravelonly60to120milesonafullcharge(充电).Mostgascarscandrivehundredsofmilesonafulltank.Anelectriccarhastostopmoreoftentogetrecharged.Therefore,agascarwouldbeabetteroption(选择)ifyouhavetodrivefar.Andelectriccarsaren'tasconvenient(方便的)topowerupasgascarsare.Thereareplentyofgasstations,butnotmanychargingstationsforelectriccars.Then,onceanelectriccarreachesachargingstation,itcantakeuptosixhourstocharge.Therearecertainlybenefitstobothelectriccarsandgasolinecars.It'sgoodtoknowthatthereisanoption.ElectriccarsvsGasolinecarsIntroductionWiththeappearanceofelectriccars,peoplewonderwhetherelectriccarscanachievethe36.standardsasgasolinecars.

SimilarityElectriccarsandgasolinecarslooksimilarontheoutside.37.

Electriccars•Havingfewerpartsreducesthe38.oftheirmaintenanceandthe39.ofhavingmechanicalproblems.

•40.withgasolinecars,electriccarsaremoreenergy-saving,makingthemcheapertooperate.

•Havingnotailpipeemissions,theyaremoreenvironmentally41..

•It42.moretimeforelectriccarstogetcharged.

Gasolinecars•Gascarscancovera43.distanceonafulltankthanelectriccarsonafullcharge.

•Gascarsaremore44.topowerup.

ConclusionBothelectriccarsandgasolinecarshavetheirownbenefits,whichprovidespeoplewitha45..

五、短文填空(共10小题,计10分)根据下面短文内容,在短文的空格处填上一个恰当的词,使短文完整、通顺。Weallwanttolivethelifewedreamof.However,attimes,somenegative(消极的)ideasmaystopus.Hopethefollowingsuggestionscanhelptoignorethose46.andgoahead.

DoWhatWeCanControlOnethingwecancontrolisdoingwhatwecan—eatinghealthily,exercising,reading,andgettingenoughsleep.Doingtherightthingscanhelp47.toachievethemosthappiness.Also,itcanmakeusmoveoninthe48.direction.However,weshouldalsoacceptthattherearemanythingswecan'tcontrol.

TakeCalculated(预料到的)RisksSuccessdoesn'tcome49.risks.Weallhavetotakerisksinlife,buttrytomakesurethoserisksarecalculated.Forexample,youareworkingatajobthatyouhate,andyouaredreamingofgivingitupand50.yourownbusiness.Thethoughtisastart.Butoneday,youcan'tstandyourjobanymore,soyouleaveiteventhoughyouhaven'treallyhadaplan.Thisissuchabigriskthatitwillprobablymakeyou51.wanttotakeariskagain.Sojuststartwithasmallrisk.

Don'tBeAfraidofFailureThomasEdisonisoneofthegreatestinventorsinhistory.However,he52.manytimes.DidyouknowEdisoncreatedanelectricpen?Aghostmachine?Probablynot.Well,that'sbecausetheywerecompletefailures.Butthosefailuresputhimonestep53.tosuccess.Thinkoffailuresasmilestonestowardssuccess.

六、补全对话(共5小题,计5分)根据对话内容,从方框内的选项中选出能填入空白处的最佳选项,其中有两个为多余选项。A:Hi,Kate.Youlooksohappy.54.

B:I'vejustcomebackfromtheMuseumofSpace.AndI'vetakensomephotosthere.A:Really?55.

B:Yes,ofcourse.56.It'saspaceship.Whatdoyouthinkofthespaceship?

A:Oh,it'ssogreat.B:57.

A:No.ButI'veplannedtogotherewithmyfriends.Bytheway,myfriendswantmetofindsomepicturesofspaceships.58.

B:Sure.Hereyouare.A.Haveyoueverbeentherebefore?B.Wouldyouliketogowithme?C.Couldyoushowthemtome?D.Takealook!E.CanIborrowthem?F.Myhobbyistakingphotos.G.Wherehaveyoubeen?七、书面表达(20分)目前,地球正面临着前所未有的危机,人口增多,能源减少,到太空生活成了热门话题。Daniel和他的同学讨论了在火星上生活的利弊,请根据下面的要点提示写一篇80词左右的短文。AdvantagesDisadvantagesinterestinghavemorespace...getillfromlivingtherenofood,wateroroxygen...Yourideas...LifeonMarsLifeonMarsisdifferentfromthatontheEarth.Isitgoodorbad?Danielandhisclassmateshavediscusseditrecently.SomestudentsthinkitisbettertoliveonMarsthanontheEarthbecause

___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________参考答案一、单项选择1.D考查介词的用法。by凭借,通过;across从一边到另一边;over在……上面;without没有。结合语境可知此处是说,不努力,梦想就不会实现。故选D。2.C考查名词的词义理解。如果你想参加这次旅行,你必须征得你父母的同意。achievement成就,成绩;announcement布告,通告;agreement同意,应允;advertisement广告,启事。故选C。3.A考查形容词词义辨析。句意:这蛋糕太好吃了。我想再来一个。tasty美味的,符合题意。4.D考查动词词义辨析。句意:空气被严重地污染了,并且PM2.5污染真的对人们的健康有害。fixed固定的;broken破的;impressed印象深刻的;polluted被污染的。结合句意可知选D。5.A考查动词词组辨析。下句句意:无论你遇到什么困难,执行你的计划。我相信你能做到。carryout执行;sendout分发;putout熄灭;goout出去。结合语境可知选A。6.B考查副词词义辨析。此处是说,自从电脑和智能手机被发明,世界迅速发生了变化。slowly缓慢地;rapidly迅速地;smoothly光滑地;peacefully和平地。结合语境可知选B。7.C考查名词词义辨析。结合下句中的"Shelikestryingnewthings"可知此处表示"似乎海伦总是想要冒险"。risk风险,危险,符合语境。8.A考查动词词义辨析。上句句意:如果你总是把自己和别人作比较,你可能会有很大压力。compare比较;communicate沟通;connect连接;consider考虑。结合语境可知选A。9.B考查宾语从句的引导词。根据语境可知此处是说,我确信我们队会赢。分析句子结构,设空处为宾语从句,且引导词不在从句中作成分,故用that。10.B考查情景交际。根据答语的第二句可知答话人也不喜欢下雨天,故应用Meneither。二、完形填空【短文大意】本文主要介绍了飞行汽车的相关信息。11.A根据设空前的"路上车很多"可知交通十分繁忙。故traffic"交通"符合文意。12.C因此,有时按时上班是很难的。"Itis+adj.+todosth."意为"做某事是……的",为固定用法。故所缺的词是it。13.C你的梦想能实现吗?comeon"加油";comeback"返回";cometrue"实现";comein"进来"。故答案为C。14.B四位德国工程师对制造飞机很感兴趣。bored"厌烦的";interested"感兴趣的";disappointed"失望的";relaxed"放松的"。beinterestedin...意为"对……感兴趣",故答案为B。15.A根据下文中的"Thegreat‘egg’"可知,它看起来不像飞机而像一个蛋。but意为"而是",符合文意。16.C这个巨大的"蛋"可以带两个人飞上天,一个小时内可以飞行300千米。故所缺的词是fly。17.B根据上文的描述可知,这种飞行汽车比普通汽车跑得快,跑得远。故所缺的词是faster。18.C此处是说,它可以停在各个地方。everywhere意为"各个地方",符合文意。19.A将来这种"飞行汽车"将进入人们的生活并改变我们的旅行方式。故所缺的词是change。20.B如果你想让自己的旅行舒适又有趣,为何不买一辆呢?故所缺的词是If。三、阅读理解【A篇短文大意】本文主要介绍了未来的智能城市。21.A段落大意题。根据第二段内容可知,本段主要讲了对未来城市的设想,故选A。22.D细节理解题。根据第三段第一句可知选D。23.C推理判断题。根据最后一段内容可知选C。【B篇短文大意】本文介绍了中国第55颗北斗导航卫星成功发射的信息。24.A细节理解题。根据第二段中的"attheXichangSatelliteLaunchCenter(卫星发射中心)inSichuanProvince,thelastsatelliteofthethird-generationnetworkwassentintospace"可知答案为A。25.C词义猜测题。根据上下文的描述可推断,画线处所在句是说,这次发射是国家太空研究工作的一个新的"里程碑",故答案为C。26.C细节理解题。根据第三段中的"Russia'sGLONASS"可知答案为C。27.D细节理解题。根据第三段中的"Sofar,Chinahascompletedthethird-generationnetworkofChina'sBDS"可知答案为D。【C篇短文大意】本文是对蒸汽动力宇宙飞船的介绍。28.B主旨大意题。根据第一段的首句"Inthefut