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Unit3LifeinthefutureⅠ.阅读理解You?llprobablynevergotoMarsorsingonthestagewiththeRollingStones.Butifvirtualreality(VR)everlivesuptoitspromise,youmightbeabletodoallthesethings—andmanymore—withoutevenleavingyourhome.Unlikerealreality,virtualrealitymeanssimulating(模仿)bitsofourworld.Apartfromgamesandentertainment,it?slongbeenusedfortrainingairlinepilotsandsurgeonsandforhelpingscientiststofigureoutcomplexproblemssuchasthestructureofproteinmolecules(分子).Thenhowdoesitwork?Closeyoureyesandthinkofvirtualrealityandyouprobablypicturesomethinglikethis:amanwearingawrap-aroundheadsetanddatagloveswiredintoapowerfulworkstationorsupercomputer.WhatdistinguishesVRfromanordinarycomputerexperienceisthenatureoftheinputandoutput.Whereanordinarycomputerusesthingslikeakeyboard,mouse,orspeechrecognitionforinput,VRusessensorsthatdetecthowyourbodyismoving.AndwhereaPCdisplaysoutputonascreen,VRusestwoscreens(oneforeacheye),surround-soundspeakers,andmaybesomeformsoftouchandbodyfeedbackaswell.VRhasbeenroutinelyusedbyscientists,doctors,dentists,engineers,architects,archaeologists,andthemilitaryforaboutthelast30years.Difficultanddangerousjobsarehardtotrainfor.Howcanyousafelypractisetakingatriptospace,makingaparachutejump,orcarryingoutbrainsurgery?Allthesethingsareobviouscandidatesforvirtualrealityapplications.Likeanytechnology,virtualrealityhasbothgoodandbadpoints.Criticsalwaysraisetheriskthatpeoplemaybeaddictedtoalternativerealitiestothepointofignoringtheirreal-worldlives—butthatcriticismhasbeenleveledateverythingfromradioandTVtocomputergamesandtheInternet.Likemanytechnologies,VRtakeslittleornothingawayfromtherealworld:youdon?thavetouseitifyoudon?twantto.1.Whatequipmentdoweprobablyneedforvirtualreality?A.Akeyboard,aheadsetandasupercomputer.B.Aheadset,dataglovesandspeechrecognition.C.Aheadset,dataglovesandasupercomputer.D.Akeyboard,amouseandspeechrecognition.2.WhatisParagraph3mainlyabout?A.Theprinciplesofvirtualreality.B.Theapplicationsofvirtualreality.C.Thehistoryofvirtualreality.D.Theinfluencesofvirtualreality.3.Accordingtothepassage,whatdoesvirtualrealitymean?A.Imaginingbeautifulthingsinourmind.B.Creatingsomethingthatdoesn?texist.C.Experiencingthingsthatdon?treallyexist.D.Cloningsomethingthathasdiedout.4.Whatisthewriter?sattitudetowardsVR?A.Appreciative.B.Cautious.C.Sceptical.D.Indifferent.nⅡ.阅读七选五根据短文内容,从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。Self-drivingcarsarebelievedtobethefutureofdriving.CompaniesincludingToyota,UberandGoogleareallcompetingtobethefirsttobringthemtothemarket.However,carmakersneedtosolveoneproblemfirst: 1 Mostdriverstodayusegesturestoshowtheirintentions.Theywaveacarintoalane(车道),ornodatpassers-byandcyclists,toletthemcross. 2 Sowhatcantheydo?TheUScarmakerFordanditspartnerVirginiaTechthinktheyhavetheanswer,accordingtoBusinessInsider. 3 Forexample,ifadriverlesscarisgivingway,itcouldflashtwowhitelightssidetoside.Asolidwhitelightwouldtellpeoplenearbythattherearenohumansinthecar.Aslowblinkinglightwouldshowthecariscomingtoastop. 4 Totestthemethodonrealroads,theteamdesignedaspecialsuitthatlooksexactlylikeacarseat.Whenadriverwearsit,itlookslikethecarisdriverless. Theteamsuccessfullycollectedmorethan1,500hoursofdataafterabout2,900kilometresof“self-driving”throughbusycities. 5 Fordsaysitplanstosharethedatawith11othercarmakers,accordingtoDOGONews.Fordhopesthatinthefuture,everycarmakerwillusethesamesystemofsignals. A.Butself-drivingcarsdon?thavethisability.B.It?satestforthecompany?sself-drivingtechnology.C.Thedatarecordedhowpeopleinteractedwithadriverlessvehicle.D.Howdriverlesscarscommunicatewithpassers-by,bikersandotherdrivers?E.Arapidlyflashinglightwouldtellpassers-bythatacarisabouttospeedup.F.Morethanone-thirdofthemareworriedaboutthesafetyofself-drivingcars.G.Theteamistestingamethodthatuseslightsignalstoshowwhatself-drivingcarsaredoing.Ⅲ.完形填空YanWei,a30-year-oldblindman,hasjustcoveredamarathononSunday.Thistimehe 1 hispersonalrecordwithanewtimeof3hours,15minutesand58seconds.Hehadtwo 2 tohelphimandwas 3 themwithasafetyrope. Yan,wholosthis 4 whenhewasafewmonthsold,startedrunningthreeyearsago,afterlearningthatvolunteerswereavailableto 5 blindrunnersatthe2015BeijingMarathon. Whenhestartedtrainingwiththehelpofhis 6 andparents,hecouldrunonlyfor2or3kmatatime.Butsoonhe 7 somuchthathissisterhadtorideabiketostay 8 himandguidehim.Ittookhimjustfourmonthstobe 9 forhisfirstmarathon. Yan 10 hisquickprogresstodailyexercise.“I?dliketo 11 200kmpermonth.Ifeel 12 ifIdonotrunfortwodaysinarow,”saysYan. Buttrainingisbecoming 13 forYannow,becausetherearefewguideswhocanrunfasterthanhim.Hisguidesneedtobeinbetter 14 conditionthanhim. “He?snevermissedasingletraininginthepastthreeyears.Iam 15 nnotonlybyhisstrengthbutalsohis 16 totrain,”saysShuHao,an 17 runnerwhohastakenpartinalotofmarathonsandoneofYan?srunningguides. Insteadofdyingtoprovehimself 18 heran,Yanhastakendelightinrunningandnowmovedto 19 theprocess.Hehascompletedfourteen 20 inthelasttwoyearsandjustwantstokeepgoing. 1.A.beatB.copiedC.researchedD.preserved2.A.dogsB.coachesC.guidesD.judges3.A.liftedbyB.tiedtoC.separatedfromD.fixedon4.A.parentsB.strengthC.voiceD.sight5.A.assistB.comfortC.representD.consult6.A.teachersB.classmatesC.brotherD.sister7.A.donatedB.occupiedC.improvedD.witnessed8.A.awayfromB.aheadofC.behindD.for9.A.readyB.lateC.gratefulD.harmful10.A.adjustsB.owesC.devotesD.applies11.A.runB.driveC.swimD.fly12.A.unluckyB.embarrassedC.uncomfortableD.ignored13.A.stricterB.looserC.easierD.harder14.A.livingB.physicalC.mentalD.educational15.A.praisedB.evaluatedC.impressedD.inspected16.A.instructionB.pressureC.absenceD.determination17.A.experiencedB.honestC.overweightD.upset18.A.soonafterB.everytimeC.asifD.eventhough19.A.delayB.registerC.simplifyD.enjoy20.A.projectsB.operationsC.marathonsD.tasksn课时作业(二十三)Ⅰ.【文章大意】本文是一篇议论文,主要讨论VR(虚拟现实)的广泛应用以及作者的看法和态度。1.C 细节理解题。根据第二段第一句“Closeyoureyesandthinkofvirtualrealityandyouprobablypicturesomethinglikethis:amanwearingawrap-aroundheadsetanddatagloveswiredintoapowerfulworkstationorsupercomputer.”可知,虚拟现实需要的装备有连接着工作站或者超级计算机的头戴式耳机和数据手套,故选C。2.B 推理判断题。根据第三段第一句“VRhasbeenroutinelyusedbyscientists,doctors,dentists,engineers,architects,archaeologists,andthemilitaryforaboutthelast30years.”以及最后一句“Allthesethingsareobviouscandidatesforvirtualrealityapplications.”可知,该段主要讲述的是虚拟现实的应用,故选B。3.C 细节理解题。根据第一段前两句“You?llprobablynevergotoMarsorsingonthestagewiththeRollingStones.Butifvirtualreality(VR)everlivesuptoitspromise,youmightbeabletodoallthesethings—andmanymore—withoutevenleavingyourhome.”可知,利用虚拟现实,人们可以足不出户就能体验登陆火星、与滚石乐队同台演唱,即所谓的虚拟现实就是体验不存在的、模仿现实世界的东西,故选C。4.A 观点态度题。根据最后一段最后一句“…VRtakeslittleornothingawayfromtherealworld:youdon?thavetouseitifyoudon?twantto.”和对本段的整体理解可推知,作者对VR持赞成态度,故选A。Ⅱ.【文章大意】本文是一篇说明文,主要介绍了无人驾驶汽车如何和行人、骑自行车的人以及其他司机的交流,即使用光信号来表示无人驾驶汽车的动向。1.D 承接上文“However,carmakersneedtosolveoneproblemfirst…”可知,此处是提出一个问题,故选D。2.A 根据语境可知,此处是一个过渡句,承上启下,引出下文“Sowhatcantheydo?”,故选A。3.G 承接上文“TheUScarmakerFordanditspartnerVirginiaTechthinktheyhavetheanswer,accordingtoBusinessInsider.”可知,此处提出了一种解决方案,故选G。4.E 与上文“Aslowblinkinglightwouldshowthecariscomingtoastop.”呼应可知,此处列举了另一种闪灯方式的含义,故选E。5.C 承接上文“Theteamsuccessfullycollectedmorethan1,500hoursofdataafterabout2,900kilometresof‘self-driving’throughbusycities.”,并与C项中关键词data呼应,故选C项。Ⅲ.【文章大意】本文是一篇记叙文。YanWei,一位30岁的盲人,从2015年开始跑马拉松,在过去的两年里,已经跑了14次马拉松。周日,他再次刷新了自己的马拉松纪录。1.A 根据后文的anewtime可知,他打破了个人纪录,创造了一个新纪录。beat打破(纪录等);copy抄写,模仿;research研究;preserve保护,保持,保存。2.C 他看不见,所以有两个向导帮助他。dog狗;coach教练;guide向导;judge裁判。3.B 安全绳将他和向导系在一起。lift抬起,举起;tie系,扣,捆;separate(使)分开,(使)分离;fix修理,使固定。4.D 根据第一段中的a30-year-oldblindman可知,他是个盲人,故该处指他失去了视力。parent父亲或母亲;strength力气;voice嗓音;sight视力。5.A 此处指志愿者帮助盲人跑步者。assist帮助;comfort安慰;represent代表;consult咨询,商讨。n6.D 根据下一句中的hissister可知,他一开始是在姐姐和父母的帮助下跑步。teacher教师;classmate同班同学;brother兄(弟);sister姐(妹)。7.C 一开始他一次只能跑2~3公里,但是,他提高得如此之快以至于后来他的姐姐必须骑自行车才能在前面引导他。donate捐赠;occupy占据;improve提高,改善;witness目睹。8.B 由guide可知,他的姐姐骑自行车在前面引导他。awayfrom远离……;aheadof在……之前;behind在……后面;for为了。9.A 他只花了四个月的时间就为他的第一次马拉松做好了准备。ready准备好的;late晚的,迟到的;grateful感激的;harmful有害的。10.B Yan将他的快速进步归功于每天的锻炼。adjust适应,调整;owe归功于;devote把……奉献给……;apply应用,申请。11.A 他每个月想跑200公里。run跑;drive驾驶;swim游泳;fly飞。12.C 如果连续两天不跑,他就感觉不舒服。unlucky不幸的;embarrassed尴尬的;uncomfortable不舒服的;ignored被忽视的。13.D 因为现在没有向导跑得比他快,所以训练对他来说变得更难了。stricter更严格的;looser更松的,更松散的;easier更容易的;harder更困难的。14.B 他的向导需要有比他更好的身体条件。living活着的;physical身体的,物理的;mental精神的,思想的;educational教育(方面)的。15.C Yan的力量和他训练的决心给ShuHao留下了深刻的印象。praise表扬;evaluate评价,评估;impress给……以深刻印象;inspect检查,检阅。16.D Yan的力量和他训练的决心给ShuHao留下了深刻的印象。instruction指示,命令;pressure压力;absence缺席,不在;determination决心。17.A 根据后面的takenpartinalotofmarathons可知,ShuHao参加了很多马拉松,所以他很有经验。experienced有经验的;honest诚实的;overweight超重的;upset心烦的,沮丧的。18.B 每次Yan跑步的时候,他不是渴望证明自己,而是他喜欢上了跑步,享受这个过程。soonafter在……之后不久;everytime每次;asif好像;eventhough尽管。19.D 根据前文的takendelightinrunning可知,他喜欢跑步,所以他“享受”这个过程。delay耽搁,延迟;register登记,注册;simplify使简单;enjoy享受,喜欢。20.C 根据第二段可知,2015年他第一次跑马拉松,由此可推知,此处指他在过去的两年里,跑了14次马拉松。project项目,工程;operation手术,操作;marathon马拉松;task任务。n