大学英语专业历年四级真题

大学英语专业历年四级真题大学英语专业历年四级真题2018201812月英语四级考试真题(3套)四级写作四级写作PartIWriting(30minutes)PartIWriting(30minutes)Directions:Forthispart,youareallowed30minutestowriteashortessayonthechallengesofstartingacareeraftergraduation.Youshouldwriteatleast120wordsbutnomorethan180words.Directions:Forthispart,youareallowed30minutestowriteashortessayonthechallengesofstartingacareeraftergraduation.Youshouldwriteatleast120wordsbutnomorethan180words.四级听力四级听力PartIIListeningComprehension(30minutes)PartIIListeningComprehension(30minutes)201820186月四级考试全国共考了两套听力,本套真题听力与前两套内容相同,只是选项顺序不同,因此在本套真题中不再重复出现。四级阅读四级阅读PartIIIReadingComprehension(40minutes)PartIIIReadingComprehension(40minutes)SectionASectionADirections:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Directions:Inthissection,thereisapassagewithtenblanks.Youarerequiredtoselectonewordforeachblankfromalistofchoicesgiveninawordbankfollowingthepassage.Readthepassagethroughcarefullybeforemakingyourchoices.Eachchoiceinthebankisidentifiedbyaletter.PleasemarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.Youmaynotuseanyofthewordsinthebankmorethanonce.Afewmonthsago,Iwasdownwithaterriblecoldwhichendedinapersistentbadcough.Nomatterhowmanydifferent Afewmonthsago,Iwasdownwithaterriblecoldwhichendedinapersistentbadcough.Nomatterhowmanydifferent 26 Itried,IstillcouldntgetridofthecoughNotonlydidit 27 myteachingbutalsomylifeasawholeThenonedayafterclass,astudentcameuptomeand 28 traditionalChinesemedicine.Fromherdescription,Chinesemedicinesoundedasifithadmagicpowerthatworkedwonders.hadmagicpowerthatworkedwonders.Iwas 29 becauseIknewsolittleaboutitandhavenevertrieditbefore.Eventually,mycoughgotsomuch 30 thatIcouldntsleepatnight,soIdecidedtogiveitatry.TheChinesedoctortookmypulseandaskedknewsolittleaboutitandhavenevertrieditbefore.Eventually,mycoughgotsomuch 30 thatIcouldntsleepatnight,soIdecidedtogiveitatry.TheChinesedoctortookmypulseandaskedtoseemytongue,bothofwhichwerenew 31 tomebecausetheyarebothnon-existentinWesternmedicine.Thenthedoctorgavemeascraping（刮）treatmentknownas"GuaSha".Iwasalittle 32 atfirstbecauseheusedasmoothedgedtooltoscrapetheskinonmyneckandshouldersAfewminuteslater,the 33 strokesstartedtoproducearelievingeffectandmybodyandmindbeganto 34 deeperintorelaxation.Ididntfeelanyimprovementinmyconditioninthefirstcoupleofdays,butafterafewmoreregularvisitstothedoctor,mycoughstartedto 35 .Thenwithinamatterofweeks,itwascompletelygone!A)deepenA)deepenB)experiencesB)experiencesC)hesitantC)hesitantD)inconvenienceD)inconvenienceE)lessenE)lessenF)licensesF)licensesG)pressuredG)pressuredH)recommendedH)recommendedI)remediesI)remediesJ)scaredJ)scaredK)sensitiveK)sensitiveL)sinkL)sinkM)temporaryM)temporaryN)trembleN)trembleO)worseO)worseSectionBSectionBDirections:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.EachstatementcontainsinformationgiveninoneoftheparagraphsIdentifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.Directions:Inthissection,youaregoingtoreadapassagewithtenstatementsattachedtoit.EachstatementcontainsinformationgiveninoneoftheparagraphsIdentifytheparagraphfromwhichtheinformationisderived.Youmaychooseaparagraphmorethanonce.Eachparagraphismarkedwithaletter.AnswerthequestionsbymarkingthecorrespondingletteronAnswerSheet2.Isitreallyoktoeatfoodthatsfallenonthefloor?Isitreallyoktoeatfoodthatsfallenonthefloor?A)Whenyoudropapieceoffoodonthefloor,isitreallyOKtoA)Whenyoudropapieceoffoodonthefloor,isitreallyOKtoeatifyoupickitupwithinfiveseconds?Anurbanfoodmythcontendsthatiffoodspendsjustafewsecondsonthefloor,dirtandgermswonthavemuchofachancetocontaminateit.Researchinmylabhasfocusedonhowfoodbecomescontaminated,andwevedonesomeworkonthisparticularpieceofwisdom.eatifyoupickitupwithinfiveseconds?Anurbanfoodmythcontendsthatiffoodspendsjustafewsecondsonthefloor,dirtandgermswonthavemuchofachancetocontaminateit.Researchinmylabhasfocusedonhowfoodbecomescontaminated,andwevedonesomeworkonthisparticularpieceofwisdom.B)Whilethe"five-secondrule"mightnotseemlikethemostpressingissueforfoodscientiststogettothebottomof,itsstillB)Whilethe"five-secondrule"mightnotseemlikethemostpressingissueforfoodscientiststogettothebottomof,itsstillworthinvestigatingfoodmythslikethisonebecausetheyshapeourbeliefsaboutwhenfoodissafetoeat.CSoisCSoisfivesecondsonthefloorthecriticalthreshold（门槛）thatseparatesapieceofeatablefoodfromacaseoffoodpoisoning?Itsabitmorecomplicatedthanthat.Itdependsonjusthowmanybacteriacanmakeitfromfloortofoodinafewsecondsandjusthowdirtytheflooris.D)WonderingiffoodisstillOKtoeatafteritsdroppedonthefloorisaprettycommonexperience.AnditsprobablynotanewoneeitherAwell-known,butinaccurate,storyaboutJuliaChildmayhavecontributedtothisfoodmyth.Someviewersofhercookingshow,TheFrenchChef,insisttheysawChilddroplambonD)WonderingiffoodisstillOKtoeatafteritsdroppedonthefloorisaprettycommonexperience.AnditsprobablynotanewoneeitherAwell-known,butinaccurate,storyaboutJuliaChildmayhavecontributedtothisfoodmyth.Someviewersofhercookingshow,TheFrenchChef,insisttheysawChilddroplambonthefloorandpickitup,withtheadvicethatiftheywerealoneinthefloorandpickitup,withtheadvicethatiftheywerealoneinthekitchen,theirguestswouldneverknow.thekitchen,theirguestswouldneverknow.E)Infactitwasapotatopancake,anditfellonthestovetop,notonthefloorChildputitbackinthepan,saying,"Butyoucanalwayspickitupandifyourealoneinthekitchen,whosgoingtoseeit?"Butthemisrememberedstorypersists.Itshardertopindowntheoriginsoftheoft-quotedfive-secondrule,buta2003studyreportedthat70%ofwomenand56%ofmensurveyedwerefamiliarwiththefive-secondruleandthatwomenweremorelikelythanmentoeatfoodthathaddroppedonthefloor.E)Infactitwasapotatopancake,anditfellonthestovetop,notonthefloorChildputitbackinthepan,saying,"Butyoucanalwayspickitupandifyourealoneinthekitchen,whosgoingtoseeit?"Butthemisrememberedstorypersists.Itshardertopindowntheoriginsoftheoft-quotedfive-secondrule,buta2003studyreportedthat70%ofwomenand56%ofmensurveyedwerefamiliarwiththefive-secondruleandthatwomenweremorelikelythanmentoeatfoodthathaddroppedonthefloor.F)Sowhatdoessciencetellusaboutwhatafewmomentsonthefloormeansforthesafetyofyourfood?Theearliestresearchreportonthefive-secondruleisattributedtoJillianClarke,ahighschoolstudentparticipatinginaresearchprojectattheUniversityofIllinois.Clarkeandhercolleaguesintroducedbacteriatofloortiles（瓷砖）andthenplacedcookiesonthetilesforvaryingtimes.TheyreportedbacteriaweretransferredfromthetilestotheF)Sowhatdoessciencetellusaboutwhatafewmomentsonthefloormeansforthesafetyofyourfood?Theearliestresearchreportonthefive-secondruleisattributedtoJillianClarke,ahighschoolstudentparticipatinginaresearchprojectattheUniversityofIllinois.Clarkeandhercolleaguesintroducedbacteriatofloortiles（瓷砖）andthenplacedcookiesonthetilesforvaryingtimes.Theyreportedbacteriaweretransferredfromthetilestothecookieswithinfiveseconds,butdidntreportthespecificamountofbacteriathatmadeitfromthetilestothefood.G)Buthowmanybacteriaactuallytransferinfiveseconds?In20XX,mylabatClemsonUniversitypublishedastudyintheJournalG)Buthowmanybacteriaactuallytransferinfiveseconds?In20XX,mylabatClemsonUniversitypublishedastudyintheJournalofAppliedMicrobiology.WewantedtoknowifthelengthoftimeofAppliedMicrobiology.Wewantedtoknowifthelengthoftimefoodisincontactwithacontaminatedsurfaceaffectedtherateoftransferofbacteriatothefood.Tofindout,weintroducedbacteriatosquaresoftile,carpetorwood.Fiveminutesafterthat,weplacedeitherbaconorbreadonthesurfacefor5,30or60foodisincontactwithacontaminatedsurfaceaffectedtherateoftransferofbacteriatothefood.Tofindout,weintroducedbacteriatosquaresoftile,carpetorwood.Fiveminutesafterthat,weplacedeitherbaconorbreadonthesurfacefor5,30or60seconds,andthenmeasuredthenumberofbacteriatransferredtothefood.Werepeatedthisexactprocedureafterthebacteriahadbeenonthesurfacefor2,4,8and24hours.H)Wefoundthatthenumberofbacteriatransferredtoeitherkindoffooddidntdependmuchonhowlongthefoodwasincontactwiththecontaminatedsurface--whetherforafewsecondsorforawholeminute.Theoverallnumberofbacteriaonthesurfacematteredmore,andthisdecreasedovertimeaftertheinitialintroduction.ItlookslikewhatsatissueislesshowlongyourH)Wefoundthatthenumberofbacteriatransferredtoeitherkindoffooddidntdependmuchonhowlongthefoodwasincontactwiththecontaminatedsurface--whetherforafewsecondsorforawholeminute.Theoverallnumberofbacteriaonthesurfacematteredmore,andthisdecreasedovertimeaftertheinitialintroduction.Itlookslikewhatsatissueislesshowlongyourfoodstaysonthefloorandmuchmorehowcontaminatedwithbacteriathatpatchoffloorhappenstobe.I)Wealsofoundthatthekindofsurfacemadeadifferenceaswell.Carpets,forinstance,seemtobeslightlybetterplacestodropyourfoodthanwoodortile.Whenacarpetwascontaminated,lessI)Wealsofoundthatthekindofsurfacemadeadifferenceaswell.Carpets,forinstance,seemtobeslightlybetterplacestodropyourfoodthanwoodortile.Whenacarpetwascontaminated,lessthan1%ofthebacteriaweretransferred.Butwhenthefoodwasincontactwithtileorwood,48-70%ofbacteriawere.J)Lastyear,astudyfromAstonUniversityintheUKusedJ)Lastyear,astudyfromAstonUniversityintheUKusednearlyidenticalparameters（参数）toourstudyandfoundsimilarnearlyidenticalparameters（参数）toourstudyandfoundsimilarresults.Theyalsoreportedthat87%ofpeopleaskedeitherwouldeatorhadeatenfoodfallenonthefloor.K)Shouldyoueatfoodfallenonthefloorthen?Fromafoodsafetystandpointifyouhavemillionsormorebacteriaonasurface,0.1%isstillenoughtomakeyousick.Also,certaintypesofbacteriaareextremelyharmful,andittakesonlyasmallnumbertomakeK)Shouldyoueatfoodfallenonthefloorthen?Fromafoodsafetystandpointifyouhavemillionsormorebacteriaonasurface,0.1%isstillenoughtomakeyousick.Also,certaintypesofbacteriaareextremelyharmful,andittakesonlyasmallnumbertomakeyousick.Forexample,10bacteriaorlessofanespeciallydeadlystrainofbacteriacancausesevereillnessanddeathinpeoplewithcompromisedimmunesystems.Butthechanceofthesebacteriabeingonmostsurfacesisverylow.L)Anditsnotjustdroppingfoodonthefloorthatcanleadtobacterialcontamination.Bacteriaarecarriedbyvarious"media",whichcanincluderawfood,moistsurfaceswherebacteriahavebeenleft,ourhandsorskinandfromcoughingorsneezing（打喷嚏HandsL)Anditsnotjustdroppingfoodonthefloorthatcanleadtobacterialcontamination.Bacteriaarecarriedbyvarious"media",whichcanincluderawfood,moistsurfaceswherebacteriahavebeenleft,ourhandsorskinandfromcoughingorsneezing（打喷嚏Handsfoodsand器皿carryindividualbacterialivingincommunitiescontainedwithinaprotectivefilm.Thesemicroscopiclayersofdepositscontainingbacteriaareknownasbiofilmsandtheyarefoundonmostsurfacesandobjects.Biofilmcommunitiescanharborbacterialongerandareverydifficulttoclean.Becteriainthesecommunitiesalsohaveanenhancedclean.Becteriainthesecommunitiesalsohaveanenhancedresistancetosanitizers（清洁剂）resistancetosanitizers（清洁剂）andantibioticscomparedtobacterialivingontheirown.M)Sothenexttimeyouconsidereatingfallenfood,theoddsareinyourfavorthatyoucaneatitwithoutgettingsick.Butintherarechancethatthereisamicro-organismthatcanmakeyousickontheexactspotwherethefooddropped,youcanbefairlysurethatthebugisonthefoodyouareabouttoputinyourmouth.M)Sothenexttimeyouconsidereatingfallenfood,theoddsareinyourfavorthatyoucaneatitwithoutgettingsick.Butintherarechancethatthereisamicro-organismthatcanmakeyousickontheexactspotwherethefooddropped,youcanbefairlysurethatthebugisonthefoodyouareabouttoputinyourmouth.N)Researchorcommonsensetellsusthatthebestthingtodoiskeepyourhands,utensilsandothersurfacesclean.N)Researchorcommonsensetellsusthatthebestthingtodoiskeepyourhands,utensilsandothersurfacesclean.36.Aresearchprojectfoundbacteriamadetheirwaytothefoodonthefloorinfiveseconds.36.Aresearchprojectfoundbacteriamadetheirwaytothefoodonthefloorinfiveseconds.37.Whetherfoodiscontaminateddependsmuchonthenumberofbacteriathatgetontoit.37.Whetherfoodiscontaminateddependsmuchonthenumberofbacteriathatgetontoit.38.Foodcontaminationmayresultfromvariousfactorsotherthanfooddroppingonthefloor.38.Foodcontaminationmayresultfromvariousfactorsotherthanfooddroppingonthefloor.39.Malesarelesslikelythanfemalestoeatfoodthatmayhavebeencontaminated.39.Malesarelesslikelythanfemalestoeatfoodthatmayhavebeencontaminated.40.Theauthorsresearchcentersaroundhowfoodgetscontaminated.40.Theauthorsresearchcentersaroundhowfoodgetscontaminated.41.Keepingeverythingcleanisthebestwaytostayhealthy.41.Keepingeverythingcleanisthebestwaytostayhealthy.42.Chancesareyouwillnotfallsickbecauseofeatingfoodpickedupfromthefloor.42.Chancesareyouwillnotfallsickbecauseofeatingfoodpickedupfromthefloor.43.Foralongtimepeoplehavehadtheexperienceofdecidingwhetherornottoeatfoodpickedupfromthefloor.43.Foralongtimepeoplehavehadtheexperienceofdecidingwhetherornottoeatfoodpickedupfromthefloor.44.Somestrainsofbacteriaaresoharmfulthatatinyfewcanhavedeadlyconsequences.44.Somestrainsofbacteriaaresoharmfulthatatinyfewcanhavedeadlyconsequences.45.Researchersfoundhowmanybacteriagotontothefooddidnothavemuchtodowithhowlongthefoodstayedonacontaminatedfloor.45.Researchersfoundhowmanybacteriagotontothefooddidnothavemuchtodowithhowlongthefoodstayedonacontaminatedfloor.SectionCSectionCDirections:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime，youshouldlistencarefullyforitsgeneralidea.WhenthepassageisreadforthesecondtimeDirections:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime，youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime，youarerequiredtofillintheblankswiththeexactwordsyouhavejustheard.thepassageisreadforthethirdtime，youshouldcheckwhatyouhavewritten.PassageOnePassageOneQuestions46to50arebasedonthefollowingpassage.Questions46to50arebasedonthefollowingpassage.ThelatestincatresearchrevealsthatthelovelyanimalseemsThelatestincatresearchrevealsthatthelovelyanimalseemstohaveabasicgrasponboththelawsofphysicsandtheinsandoutsofcauseandeffect.tohaveabasicgrasponboththelawsofphysicsandtheinsandoutsofcauseandeffect.Accordingtoanewlypublishedstudy,catsseemtobeabletopredictthelocationofhidingAccordingtoanewlypublishedstudy,catsseemtobeabletopredictthelocationofhiding猎物boththeirearsandan天生的ofhowthephysicalworldworksInarecentexperiment,Japaneseresearcherstaped30domesticcatsreactingtoacontainerthatateammembershookSomecontainersrattled（发出响声）;othersdidnot.WhentheInarecentexperiment,Japaneseresearcherstaped30domesticcatsreactingtoacontainerthatateammembershookSomecontainersrattled（发出响声）;othersdidnot.Whenthecontainerwastippedover,sometimesanobjectfelloutandsometimesitdidnt.Itturnsoutthatthecatswereremarkablysmartaboutwhatwouldhappenwhenacontainerwastippedover.Whenanobjectdidnotdropoutofthebottomofarattlingcontainer,theylookedatitforalongertimethantheydidwhenthecontainerbehavedasexpected.Itturnsoutthatthecatswereremarkablysmartaboutwhatwouldhappenwhenacontainerwastippedover.Whenanobjectdidnotdropoutofthebottomofarattlingcontainer,theylookedatitforalongertimethantheydidwhenthecontainerbehavedasexpected."Catsuseacausal-logicalunderstandingofnoiseorsoundstopredicttheappearanceofinvisibleobjects,"leadresearcherSahoTakagisaysinapressrelease.Theresearchersconcludethatcatshuntingstylemayhavedevelopedbasedontheircommon-senseabilitiestoinferwherepreyis,usingtheirhearing."Catsuseacausal-logicalunderstandingofnoiseorsoundstopredicttheappearanceofinvisibleobjects,"leadresearcherSahoTakagisaysinapressrelease.Theresearchersconcludethatcatshuntingstylemayhavedevelopedbasedontheircommon-senseabilitiestoinferwherepreyis,usingtheirhearing.ScientistshaveexploredthisideawithotherendearingScientistshaveexploredthisideawithotherendearingcreatures:babies.Likecats,babiesappeartoengageinwhatscalled"preferentiallooking"—lookinglongeratthingsthatareinterestingorunusualthanthingstheyperceiveasnormal.creatures:babies.Likecats,babiesappeartoengageinwhatscalled"preferentiallooking"—lookinglongeratthingsthatareinterestingorunusualthanthingstheyperceiveasnormal.Whenbabiesexpectationsareviolatedinexperimentsliketheonesperformedwiththecats,theyreactmuchliketheiranimalfriends.Psychologistshaveshownthatbabiesapparentlyexpecttheirworldtocomplywiththelawsofphysicsandcauseandeffectasearlyastwomonthsofage.Whenbabiesexpectationsareviolatedinexperimentsliketheonesperformedwiththecats,theyreactmuchliketheiranimalfriends.Psychologistshaveshownthatbabiesapparentlyexpecttheirworldtocomplywiththelawsofphysicsandcauseandeffectasearlyastwomonthsofage.Doesthestudymeanthatcatswillsoongrasptheinsandoutsofcauseandeffect?Maybe,Okay,socatsmaynotbethenextphysicsfacultymembersatAmericasmostimportantresearchuniversities.Butbydemonstratingtheircommonsense,theyveshownthatthedividebetweencatsandhumansmaynotbethatgreatafterall.Doesthestudymeanthatcatswillsoongrasptheinsandoutsofcauseandeffect?Maybe,Okay,socatsmaynotbethenextphysicsfacultymembersatAmericasmostimportantresearchuniversities.Butbydemonstratingtheircommonsense,theyveshownthatthedividebetweencatsandhumansmaynotbethatgreatafterall.46.Whatdowelearnfromanewlypublishedstudyaboutcats?46.Whatdowelearnfromanewlypublishedstudyaboutcats?A)Theycanbetrainedtounderstandthephysicalworld.A)Theycanbetrainedtounderstandthephysicalworld.B)Theyknowwhatkindofpreymightbeeasiertohunt.B)Theyknowwhatkindofpreymightbeeasiertohunt.C)Theyhaveanaturalabilitytolocateanimalstheyhunt.C)Theyhaveanaturalabilitytolocateanimalstheyhunt.D)Theyarecapableoftellingwhichwaytheirpreyflees.D)Theyarecapableoftellingwhichwaytheirpreyflees.47.Whatmayaccountforthecatsresponsetothenoisefromthecontainers?47.Whatmayaccountforthecatsresponsetothenoisefromthecontainers?A)Theirinbornsensitivitytonoise.C)Theirspecialabilitytoperceive.A)Theirinbornsensitivitytonoise.C)Theirspecialabilitytoperceive.B)Theirunusualsenseofdirection.D)Theirmasteryofcauseandeffect.B)Theirunusualsenseofdirection.D)Theirmasteryofcauseandeffect.48.Whatischaracteristicofthewaycatshunt,accordingtotheJapaneseresearchers?48.Whatischaracteristicofthewaycatshunt,accordingtotheJapaneseresearchers?A)Theydependontheirinstincts.C)Theywaitsometimebeforeattack.A)Theydependontheirinstincts.C)Theywaitsometimebeforeattack.B)Theyrelymainlyontheirhearing.D)Theyuseboththeirearsandeyes.B)Theyrelymainlyontheirhearing.D)Theyuseboththeirearsandeyes.49.Inwhatwaydobabiesbehavelikecats?49.Inwhatwaydobabiesbehavelikecats?A)Theyfocusonwhatappearsodd.C)TheydowhattheyprefertodoA)Theyfocusonwhatappearsodd.C)TheydowhattheyprefertodoB)Theyviewtheworldasnormal.D)Theyarecuriousabouteverything.B)Theyviewtheworldasnormal.D)Theyarecuriousabouteverything.50.Whatcanweconcludeaboutcatsfromthepassage?50.Whatcanweconcludeaboutcatsfromthepassage?A)Theyhavehigherintelligencethanmanyotheranimals.A)Theyhavehigherintelligencethanmanyotheranimals.B)Theyinteractwiththephysicalworldmuchlikehumans.B)Theyinteractwiththephysicalworldmuchlikehumans.C)Theydisplayextraordinarilyhighintelligenceinhunting.C)Theydisplayextraordinarilyhighintelligenceinhunting.D)Theycanaidphysicsprofessorsintheirresearchwork.D)Theycanaidphysicsprofessorsintheirresearchwork.PassageTwoPassageTwoQuestions51to55arebasedonthefollowingpassage.Questions51to55arebasedonthefollowingpassage.Imagineyouenteracarwithnosteeringwheel,nobrakeoraccelerator踏板Imagineyouenteracarwithnosteeringwheel,nobrakeoraccelerator踏板Underavoice-activatedcommandyousayanaddress."Thefastestroutewilltakeus15.3minutes.ShouldItakeit?"Yousay"yes"andyouareonyourway.Thecarrespondsandstartsmovingallbyitself.Allyouhavetodoissitbackandrelax.Howweirdwoulditbeif,onedayinthefuture,everyonehadsuchacarNocrazydriving，noinsults，Howweirdwoulditbeif,onedayinthefuture,everyonehadsuchacarNocrazydriving，noinsults，nocuttingin;trafficlawswouldberespectedanddrivingmuchsafer.Ontheotherhand,imaginethecostsavingsforlocalpoliceenforcementandtownbudgetswithoutallthosespeedingandparkingtickets.AnewtechnologyhasthepotentialtochangemodemsocietyAnewtechnologyhasthepotentialtochangemodemsocietyinradicalways.Theresnoquestionthatself-drivingvehiclescouldbeanenormousbenefit.Thepotentialforsafercarsmeansaccidentstatisticswoulddrop:some94%ofroadaccidentsintheU.S.involvehumanerror.Olderdriversandvisually-orphysically-impairedpeoplewouldgainanewleveloffreedom.Maintainingsafespeedsandbeingelectric,self-drivingcarswouldinradicalways.Theresnoquestionthatself-drivingvehiclescouldbeanenormousbenefit.Thepotentialforsafercarsmeansaccidentstatisticswoulddrop:some94%ofroadaccidentsintheU.S.involvehumanerror.Olderdriversandvisually-orphysically-impairedpeoplewouldgainanewleveloffreedom.Maintainingsafespeedsandbeingelectric,self-drivingcarswoulddrasticallyreducepollutionlevelsanddependencyonnon-renewablefuels.Roadswouldbequieter,peoplesafer.Butwemustalsoconsidertheimpactofthenewtechnologyonthosewhonowdependondrivingfortheirlivelihoods.AccordingtotheU.SDepartmentofLabor,inMay20XXtherewere505,560registeredschoolbusdrivers.TheAmericanTruckingAssociationlistsapproximately3.5millionprofessionaltruckdriversintheU.S.Butwemustalsoconsidertheimpactofthenewtechnologyonthosewhonowdependondrivingfortheirlivelihoods.AccordingtotheU.SDepartmentofLabor,inMay20XXtherewere505,560registeredschoolbusdrivers.TheAmericanTruckingAssociationlistsapproximately3.5millionprofessionaltruckdriversintheU.S.Thecompaniesdevelopingself-drivingvehiclesshouldbepartneringwithstateandfederalauthoritiestoofferretrainingforthismassiveworkforce,manyofwhomwillbedisplacedbythenewtechnology.Thisissimilartowhatshappeninginthecoalandoilindustries,asituationthatfuelsmuchofthecurrentpoliticaldiscontentinthiscountry.Thecompaniesdevelopingself-drivingvehiclesshouldbepartneringwithstateandfederalauthoritiestoofferretrainingforthismassiveworkforce,manyofwhomwillbedisplacedbythenewtechnology.Thisissimilartowhatshappeninginthecoalandoilindustries,asituationthatfuelsmuchofthecurrentpoliticaldiscontentinthiscountry.Newtechnologieswill,andshould,bedeveloped.ThisishowNewtechnologieswill,andshould,bedeveloped.Thisishowsocietymovesforward.However,progresscantbeone-sided.Itisnecessaryforthecompaniesandstateagenciesinvolvedtoconsidertheethicalconsequencesofthesepotentialchangestobuildabetterfutureforall.societymovesforward.However,progresscantbeone-sided.Itisnecessaryforthecompaniesandstateagenciesinvolvedtoconsidertheethicalconsequencesofthesepotentialchangestobuildabetterfutureforall.51.Whatwouldbetheimpactoftheextensiveuseofdriverlesscars?51.Whatwouldbetheimpactoftheextensiveuseofdriverlesscars?A)Peoplewouldbedrivinginamorecivilizedway.A)Peoplewouldbedrivinginamorecivilizedway.B)Itwouldsavelocalgovernmentsalotofmoney.B)Itwouldsavelocalgovernmentsalotofmoney.C)Morepolicemen