Drivingintrafficcanbeextremely-查字典问答网

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　　Drivingintrafficcanbeextremelystressful．Pedestriansappearoutofnowhere，carssuddenlypulloutofparkingspots，androadsbecomeslipperyduetorainorsnow．Knowingwhentobrakeandwhentoaccelerateinsuchsituationsishardenoughforahumandriver，letalonearoboticone．Butseveralcarmakers-andafewtechcompanies-areworkingtoconvincedriverstoletdriverlesscarstakethewheel．

　　Withoutquestion，themostanticipatedbenefitofdriverlesscarsisimprovedsafety．Driverlesssystemswillfeaturesensorsthatdetectsafetythreatsthathumandriversmightmiss．Manycarmakersalreadyoffersystemsthatalertdriverswhenevertheygetdangerouslyclosetoothercars．

　　Also，driverlesssystemshavethebenefitofincreasedefficiency．Driverlesscarswon'twasteasmuchgasashumandriversdo，andguidedbyadvancedGPS，they'llalwaystakethefastestroute．Oncedriverlesscarsbecomewidelyavailable，commonpeoplecanhavetheirowndriver，andthey'lljustsitbackandrelaxwhiletheircar'scomputertakesthewheel!

　　Althoughcompletelydriverlesscarswon'tbeonthemarketforseveralyears，thetechnologybehindthemisalreadyappearinginphases．TwoexamplesaretheActiveLaneKeepingAssistoptionforMercedes-BenzcarsandFord'sTrafficJamAssist．Inthefirstoption，thesystemwarnsthedriverwheneverthecarcrosseslanemarkingsbycausingthesteeringwheeltovibrate（振动）．Inthesecondoption，thesystemhelpsthecarkeeppacewithothercarswhileremaininginitscurrentlane．Thesystemisbeingdevelopedtohelprelieveblockingonbusyroads．

　　Severalcarmakersclaimthatthey'llproducedriverlesscarswithinthenextdecade．Butcriticsaren'tsosure，warningthatacompletelydriverlesscarmustbeabletomakesplit-seconddecisionsineventhemostcomplextrafficsituations．Inaddition，thecar'scomputermustbecomesmartenoughtoknowwhentoaskthedrivertointervene（介入，干涉）topreventanaccident．

　　Fullgovernmentapprovalwon'thappenuntildriverlesscarsareprovensafe．Inthemeantime，expecttoseecarmakersofferever-smarterfeaturesontheirnewmodels．

　　（Note：AnswerthequestionsorcompletethestatementsinNOMORETHANTWELVEWORDS）

　　78．Oneofthefactorsthatmaketraffi

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2020-12-08 13:48

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顾大权

　　78．pedestriansappearingoutofnowhere/carspullingoutofparkingspots/slipperyroadsduetorainorsnow

　　79．Improvedsafetyandincreasedefficiency

　　80．Thesteeringwheelwillvibrate．

　　81．makesplit-seconddecisionsandknowwhentoaskthedrivertointervene

　　78 细节题．根据文章第一段Drivingintrafficcanbeextremelystressful．Pedestriansappearoutofnowhere，carssuddenlypulloutofparkingspots，androadsbecomeslipperyduetorainorsnow．可知影响交通压力的因素有行人到处都是，汽车突然从停车场出来，由于雨雪路变滑，故答案为．pedestriansappearingoutofnowhere/carspullingoutofparkingspots/slipperyroadsduetorainorsnow

　　79 细节题．根据文章第二段themostanticipatedbenefitofdriverlesscarsisimprovedsafety．themostanticipatedbenefitofdriverlesscarsisimprovedsafety．和第三段Also，driverlesssystemshavethebenefitofincreasedefficiency．可知无人驾驶汽车的好处有两个，一是安全程度的提高，二是效率的提升，故答案为Improvedsafetyandincreasedefficiency

　　80 细节题．根据文章第四段Inthefirstoption，thesystemwarnsthedriverwheneverthecarcrosseslanemarkingsbycausingthesteeringwheeltovibrate（振动）可知当汽车经过车道标记的时候方向盘会震动，故答案为Thesteeringwheelwillvibrate．

　　81 细节题．根据文章倒数第二段acompletelydriverlesscarmustbeabletomakesplit-seconddecisionsineventhemostcomplextrafficsituations．Inaddition，thecar'scomputermustbecomesmartenoughtoknowwhentoaskthedrivertointervene（介入，干涉）topreventanaccident．可知makesplit-seconddecisionsandknowwhentoaskthedrivertointervene

2020-12-08 13:53:25

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