全新版大學英語(第二版)綜合教程4-Unit 2 Text A 課后習題答案

全新版大學英語(第二版)綜合教程4-Unit2TextA課后習題答案全新版大學英語(第二版)綜合教程4-Unit2TextA課后習題答案全新版大學英語(第二版)綜合教程4-Unit2TextA課后習題答案資料僅供參考文件編號：2022年4月全新版大學英語(第二版)綜合教程4-Unit2TextA課后習題答案版本號：A修改號：1頁次：1.0審核：批準:發(fā)布日期：Unit2TextAPage37PairWork1.Howimportantwastheautomobileindustryinthetwentiethcentury?Theautomobileindustryrankedasamongthemostlucrativeandpowerfulindustriesofthetwentiethcentury.2.Whatwillhappentocarsandroadsinthetwenty-firstcentury?Carsandroadswillberevolutionizedinthetwenty-firstcentury.3.Whydoestheauthorsaythekeytotomorrow's"smartcars"willbesensors?Becauseitissensorsthatwillenablevehiclesandroadstobeabletosee,hear,feel,smell,talk,andact.4.Howwouldsensorshelpreducetrafficfatalities?Sensorscansenseifadriverisdrunkandrefusetostartuptheengine.5.Whatisthefunctionoftheradarshiddeninthebumpers?Theradarshiddeninthebumperscanscanfornearbycars.Ifyoumakeaseriousdrivingmistakethecomputerwillsoundanimmediatewarning.6.Howwillasmartcaralertadriverwhofeelsdrowsy?Ifthedriver'seyelidscloseforacertainlengthoftimeandhisorherdrivingbecomeserratic,acomputerinthedashboardcouldalertthedriver.7.Whatmakesitpossibleforsmartcarstodeterminetheirapproximatelocation?GPSmakesitpossibleforsmartcarstodeterminetheirlocationontheearthtowithinaboutahundredfeet.8.WhataretheprospectsforapplicationsofGPS?Withthepriceofmicrochipsdroppingsodrastically,futureapplicationsofGPSarevirtuallylimitless.9.Whatis"telematics"expectedtoachieveinincreasingtheefficiencyandsafetyofhighwaytransportation?Itisexpectedtoputsmartcarsonsmarthighways.10.WhataretrafficengineersdoingonInterstate15closetoSanDiego

TheyareinstallinganMIT-designedsystemwhichwillintroducethe"automateddriver".11.Whathopesdopromotersofthesmarthighwayhaveforitsfuture?Theyhavegreathopesforitsfuture.By2010,telematicsmaywellbeincorporatedintooneofthemajorhighwaysintheUnitedStates.By2020,telematicscouldbeadoptedinthousandsofhighwaysintheUnitedStates.12.Whataretheadvantagesofsmarthighways?Smarthighwayscouldbeanenvironmentalboon,savingfuel,reducingtrafficjams,decreasingairpollution,andservingasanalternativetohighwayexpansion.Page38WorkingonYourOwn1.PartOneParas.1-3Newtechnologywillhaveadramaticimpactoncarsandhighwaysinthe21stcentury.PartTwoParas.4-9Withtheaidofadvancedtechnology,smartcarswillbesodesignedthattheycanhelpeliminatetrafficaccidents,determinetheirownpreciselocationsandwarnoftrafficjams.PartThreeParas.10-13GPSand"telematics"willmakeitpossibletobuildsmarthighways,whichwillbenefitusinanumberofways.2.1)Smartcarscansee,hear,feel,smell,talk,andact;2)Theycaneliminatemostofcaraccidents;3)Theycanalertthepoliceandprovidepreciselocationofyourcarifstolen;4)Theycanmonitorone'sdrivingandthedrivingconditionsnearby;5)Theycanalertthedriverwhofeelsdrowsy;6)Theycanlocateyourcarpreciselyandwarnoftrafficjams.Page38LanguageSenseEnhancement1.(1)cure(2)impact(3)orbitingsatellites(4)warnof(5)location(6)Atanygiventime(7)vibrate(8)detected(9)calculate(10)convertedPage41Vocabulary1.1)expansion2)automated3)vapor4)takecontrolof5)hazards6)satellite7)vibrated8)magnetic9)bunched10)intheair11)got/wasstuckin12)approximatelyPage422.1)sendout2)standupfor3)passfor4)wereclosinginon5)startingup6)wentthrough7)fillout8)fallintoPage433.1)Thenewcardesignincorporatesallthelatestsafetyfeatures.2)Tosuspendourhammock,weneedtofindtwotreestenfeetapart.3)Jasonfacesupto10yearsinprisonforofferingbriberymoneytotheUSnavyofficialresponsibleforawardinglucrativecontractstohisconstructionfirm.4)Manufacturesusuallybeginbybuildingtheprototypeofanewmodelbeforetheysetupafactorytomakethecars.5)Medicalevidenceshowsthatsmokingandlungcancerarecorrelatedinallracialgroups.Page434.1)theapplication/remote/hasturnedintoareality/arepoisedto2)thatvibrate/candetect/frequency3)lanes/aremountedin/alerta/hazardPage44IIWordFormationkilo-kilogramMedicare-medicalcarememo-memorandumemail-electronicmailgym-gymnasiumcomsat-communicationssatellitelib-liberationnewscast-newsbroadcastdoc-doctorskyjack-skyhijackvet-veterinarianEurodollar-Europeandollarprep-preparatorybrunch-breakfastandlunchauto-automobiletelecast-televisionbroadcastflu-influenzaOxbridge-OxfordandCambridgePage45IIIUsage1)swimmingpool2)drawingboard3)enrichedMiddleEnglish4)disturbingchange5)fullydevelopedprototype6)Cannedfoods7)workingpopulation8)puzzlingdifferencesPage46I.Cloze(1)computerized(2)startup(3)bepoisedto(4)alert(5)hazards(6)monotonous(7)takecontrolof(8)steer9(9)lane(10)decrease(11)calculate(12)eliminate(13)gettingstuckin(14)mounted(15)detect(16)vaporPage472.(1)generates(2)related(3)revolutionized(4)enabled(5)opportunities(6)overall(7)manufacturing(8)dependent(9)interact(10)fatalitiesPage47IITranslation1)Therewasanunusualquietnessintheair,exceptforthesoundofartilleryinthedistance.2)TheexpansionofurbanareasinsomeAfricancountrieshasbeencausingasignificantfallinlivingstandardsandanincreaseinsocialproblems.3)Theresearchshowsthatatmosphericcarbondioxidelevelsarecloselycorrelatedwithglobaltemperatures.4)Thefrequencyofthebusservicehasbeenimprovedfrom15to12minuterecently.5)Thediverstoodontheedgeofthedivingboard,poisedtoju