2021高考英语一轮复习Unit3Computers课时作业新人教版必修2.doc

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1、Unit3　ComputersⅠ.阅读理解[2020·成都市高中毕业班摸底测试]Self－drivingcarshavebeenbackedbythehopethattheywillsavelivesbygettinginvolvedinfewercrasheswithfewerinjuriesanddeathsthanhuman－drivencars.Butsofar,mostcomparisonsbetweenhumandriversandautomatedvehicleshavebeenunfair.Crashstati

2、sticsforhuman－drivencarsaregatheredfromallsortsofdrivingsituations,andonalltypesofroads.However,mostofthedataonself－drivingcars'safetyhavebeenrecordedofteningoodweatherandonhighways,wherethemostimportanttasksarestayinginthecar'sownlaneandnotgettingtooclosetothevehic

3、leahead.Automatedcarsaregoodatthosetasks,butsoarehumans.Itistruethatself－drivingcarsdon'tgettired,angry,frustratedordrunk.Butneithercantheyyetreacttouncertainsituationswiththesameskilloranticipationofanattentivehumandriver.Nordotheypossesstheforesighttoavoidpotentia

4、lperils.Theylargelydrivefrommomenttomoment,ratherthanthinkaheadtopossibleeventsliterallydowntheroad.Toaself－drivingcar,abusfullofpeoplemightappearquitesimilartoanuninhabitedcornfield.Indeed,decidingwhatactiontotakeinanemergencyisdifficultforhumans,butdrivershavesacr

5、ificedthemselvesforthegreatergoodofothers.Anautomatedsystem'slimitedunderstandingoftheworldmeansitwillalmostneverevaluate(评估)asituationthesamewayahumanwould.Andmachinescan'tbeprogrammedinadvancetohandleeveryimaginablesetofevents.Somepeoplemayarguethatthepromiseofsim

6、plyreducingthenumberofinjuriesanddeathsisenoughtosupportdriverlesscars.Butexperiencefromaviation(航空)showsthatasnewautomatedsystemsareintroduced,thereisoftenanincreaseintherateofdisasters.Thereforecomparisonsbetweenhumansandautomatedvehicleshavetobeperformedcarefully

7、.Tofairlyevaluatedriverlesscarsonhowwelltheyfulfilltheirpromiseofimprovedsafety,it'simportanttoensurethedatabeingpresentedactuallyprovideatruecomparison.Afterall,choosingtoreplacehumanswithautomationhasmoreeffectsthansimplyaone－for－one-9-exchange.1．Whatmakesthecompa

8、risonbetweenself－drivingcarsandhuman－drivencarsunfair?A．Self－drivingcarsnevergettired.B．Statisticsarecollecteddifferently.C．Machinescanmak