资源描述:
《大学英语四级阅读十天突破10》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、二七教育网www.wei027.com10天突破阅读训练-10深度阅读PartIIReadingComprehension(35minutes)Directions:Thereare4passagesinthispart.Eachpassageisfollowedbysomequestionsorunfinishedstatements.ForeachofthemtherearefourchoicesmarkedA),B),C)andD).Youshoulddecideonthebestchoiceandm
2、arkthecorrespondingletterontheAnswerSheetwithasinglelinethroughthecenter.PassageoneQuestions21to25arebasedonthefollowingpassage.Somepessimisticexpertsfeelthattheautomobileisboundtofallintodisuse.Theyseeadayinthenot-too-distantfuturewhenallautoswillbeabando
3、nedandallowedtorust.Otherauthorities,however,thinktheautoisheretostay.Theyholdthatthecarwillremainaleadingmeansofurbantravelintheforeseeablefuture.Themotorcarwillundoubtedlychangesignificantlyoverthenext30years.Itshouldbecomesmaller,safer,andmoreeconomical
4、,andshouldnotbepoweredbythegasolineengine.Thecarofthefutureshouldbefarmorepollution-freethanpresenttypes.Regardlessofitspowersource,theautointhefuturewillstillbethemainprobleminurbantrafficcongestion(拥挤).Oneproposedsolutiontothisproblemistheautomatedhighwa
5、ysystem.Whentheautoentersthehighwaysystem,aretractable(可伸缩的)armwilldropfromtheautoandmakecontactwitharail,whichissimilartothosepoweringsubwaytrainselectrically.Onceattachedtotherail,thecarwillbecomeelectricallypoweredfromthesystem,andcontrolofthevehiclewil
6、lpasstoacentralcomputer.Thecomputerwillthenmonitorallofthecar’smovements.Thedriverwilluseatelephonetodialinstructionsabouthisdestinationintothesystem.Thecomputerwillcalculatethebestroute,andreservespaceforthecarallthewaytothecorrectexitfromthehighway.Thedr
7、iverwillthenbefreetorelaxandwaitforthebuzzer(蜂鸣器)thatwillwarnhimofhiscomingexit.Itisestimatedthatanautomatedhighwaywillbeabletohandle10,000vehiclesperhour,comparedwiththe1,500to2,000vehiclesthatcanbecarriedbyapresent-dayhighway.21.Onesignificantimprovement
8、inthefuturecarwillprobablybe________.A)itspowersourceB)itsdrivingsystemC)itsmonitoringsystemD)itsseatingcapacity22.Whatistheauthor’smainconcern?A)Howtorenderautomobilespollution-free.B)Howtomakesmallerandsafe