Unit3ReadingSelf-drivingcars课件牛津译林版高中英语选择性必修第一册

Unit3OnthemoveLeadinWhatmeansoftransportdoyouuseinyourdailylife?

Inmydailylife,themeansoftransportthatIusemostoftenisthebus.EveryweekdayIcometoschoolandgobackhomebybus.Whentheweatherisbad,mydaddrivesmetoandfromschool.WhenIneedtogotofarawayplacesforsightseeing,Itravelbyplaneorbyhigh-speedtrain.Whattechnologicaladvancesintransportdoyouknowabout?

Iknowabouthigh-speedtrainsandmaglevtrains,whichuseveryadvancedtechnology.High-speedtrainscantravelatspeedsofupto350kilometresperhour.High-speedtrains’bullet-shapeddesignreducesairresistance.Thisdesign,togetherwiththespecializedrailwaytracksthetrainstravelon,allowsthemtomovefast,quietlyandsmoothly.

Whatdoyouknowaboutself-drivingcars?

Iknowthatself-drivingcarsuseacombinationofdifferenttechnologiestohelpthemdrivebythemselves.Ialsoknowthistechnologyisstilldeveloping,soeventhoughitisanexcitingadvancementintransport,therearestillissuesthatneedtobeaddressed.Forexample,carswillneedtechnologythatcanthinkandbehaveasclosetoahumandriveraspossibletomakethemsafer.Thiswillrequirealotofresearch,developmentandtesting.

Whatdoyouknowaboutself-drivingcars?WhilereadingIntroductionPara.1:Asceneofthefutureofself-drivingcarsConclusionMainBodyPara.6:Para.2:Paras.3–5:Challengesself-drivingcarsfaceHowself-drivingcarsworkReadtheautomobilemagazinearticleandcompletethechart.TechnologicalbarriersEthicalconcernsLegalproblemsThefutureofself-drivingcarsWhilereadingReadthearticleandthenanswerthefollowingquestions.1.Howdoself-drivingcars“see”?2.Whyisaself-drivingcar’sperceptionsystemlikelytofail?3.Whatethicalchoicesmayself-drivingcarsfaceinrelationtotheTrolleyProblem?4.Whatmustbedonefirstbeforelawcourtscandecidewhoisatfaultwhenself-drivingcarsareinvolvedinaccidents?5.Whatarethetwopossiblefuturepathsofself-drivingcars?WhilereadingCamerasaswellassensorslikeradarandlidarcaptureavarietyofdatafromtheexternalenvironment,whichissenttotheAIsystem,analysedandputtogetherlikeapuzzle.1.Howdoself-drivingcars“see”?Becauseroadtrafficintherealworldissocomplicatedthatunfamiliarorunexpectedconditionsmayoccuratanytime,anditisunreasonableforthedatabasetoincludeeverypossibleobjectineverypossibleconditionaheadoftime.2.Whyisaself-drivingcar’sperceptionsystemlikelytofail?Whetherthoseintheself-drivingcarshouldalwaysbeprotectedfirst,andwhetheritshouldhitasinglepedestrian,suchasachildoraseniorcitizen,toavoidcrashingintoagroupofpedestrians.3.Whatethicalchoicesmayself-drivingcarsfaceinrelationtotheTrolleyProblem?Manufacturingandprogrammingstandardshavetobeagreedupon.4.Whatmustbedonefirstbeforelawcourtscandecidewhoisatfaultwhenself-drivingcarsareinvolvedinaccidents?Self-drivingcarswillbeallowedtooperatewithouthumancontrol,ortherewillalwaysbehumanoperation,eveniflimited.5.Whatarethetwopossiblefuturepathsofself-drivingcars?Theauthorhasanobjectiveattitudetowardsself-drivingcars.Shetalksabouttheworkingprincipleofself-drivingcars,theirtechnologicalbarriers,ethicalconcernsandlegalproblemsbystatingfacts,withoutanypersonalfeelingsoropinions.Sheiscarefulaboutherchoiceofwordswhentalkingaboutthefutureofself-drivingcars.Forexample,shestates:“Whilethejourneyaheadisnotwithoutobstacles,theeventualdestinationisboundtobeanothermilestoneforhumankind’samazingvisionandinventiveness.”Dission:Whatistheauthor’sattitudetowardsself-drivingcars?Post-readingTheauthormentionssomebarriersself-drivingcarsface.Howdoyouthinkthesebarriersmightbeovercome?

IthinktechnologicalbarrierscanbeovercomeifAItechnologyadvancestoastagewhereitsdeep-learningcapabilitieswouldenableittothinklikehumansdo,orevenbetter.Theethicalconcernsmaybemorechallenging.Perhapstheadvancesintechnologycouldcontributetosolvingcertainethicalproblems.Butthedifferingethicalvalueswouldbeabigobstacle.Thefirststepinresolvingthisissuecouldbetocreategeneraluniversallyacceptedguidelineswhichcountriesagreeupon,whileconsideringtheethicalprinciplesuniquetothemselves.Overcominglegalbarriersfacedbyself-drivingcarswouldrequirenewlawstobecreatedorcurrentonesamended.Post-reading

Ibelievehumanswillalwaysbeneededforself-drivingcarstoworksuccessfullyandsafely.Autonomousvehicletechnologywillprobablyneverbeaseffectiveasthehumanbrain,especiallywhenitcomestomakingdecisionsinunexpectedsituations.Forthisreason,acertainamountofhumancontrolisalwaysneeded.Besides,noteveryonewillwanttouseaself-drivingcarwhichtheycannotcontrol.Somedriversmaypreferhavingtheoptiontochoosehowtodrivetheircar.

energycanbesavedspendthetimeonthewayrestinginaseatordoingwhatevertheywant.Anotheradvantageisthatpeopledonothavetolearnhowtodrive.Inthatcase,evenaninety-year-oldhealthymanwillfinditpossibletotravelacrossthecountryinaself-drivingcar.However,therearealsodisadva