全新版大学英语第二版综合教程4课后答案unit2

全新版大学英语第二版综合教程第四册课后答案Unit2GR_PartDivisionoftheText1PartsPara(s)MainIdeas11~324~9Newtechnologywillhaveadramaticimpactoncarsandhighwaysinthe21stcentury.Withtheaidofadvancedtechnology,smartcarswillbesodesignedthattheycanhelpeliminatetrafficaccidents,determinetheirownpreciselocationsandwarnoftrafficjams.310~13GPSand“telematics”willmakeitpossibletobuildsmarthighways,whichwillbenefitusinmorethanoneway.Textorg.Ex.1onP38Textorg.Ex.2OnP381.Smartcarscansee,hear,feel,smell,talk,andact;2.Theycaneliminatemostofcaraccidents3.Theycanalertthepoliceandprovidepreciselocationofyourcarifstolen4.Theycanmonitorone’sdrivingandthedrivingconditionsnearby;5.Theycanalertthedriverwhofeelsdrowsy;6.Theycanlocateyourcarpreciselyandwarnoftrafficjams.•LanguageSenseEnhancementonP38-391)cure2)impact3)orbiting4)warnof5)location6)Atanygiventime7)vibrate8)detected9)calculate10)convertedI.Vocabulary:Ex.1onP41-421.expansion2.automated3.vapor4.takecontrolof5.hazards6.satellite7.vibrated8.magnetic9.bunched10.intheair11.gotstuckin12.approximatelyVocabulary:Ex.2onP421.sendout2.standupfor3.passfor4.wereclosinginon5.startingup6.wentthrough7.fillout8.fallintoVocabulary:Ex.3onP431)incorporatesallthelatestsafetyfeatures.2)twotreestenfeetapart.3)awardinglucrativecontractstohisconstructionfirm.4)theprototypeofanewmodelbeforetheysetupafactorytomakethecars.5)arecorrelatedinallracialgroups.Vocabulary:Ex.4onP431)theapplication,remote,hasturnedintoareality,arepoisedto2)thatvibrate,candetect,frequency3)lanes,aremountedin,alerta,hazardII.WordFormationonP45KilogramMedicalcareMemorandumElectronicmailGymnasiumCommunicationssatelliteLiberationNewsbroadcastDoctorSkyhijackVeterinarianEuropeandollarPreparatoryBreakfastandlunchAutomobileTelevisionbroadcastinfluenzaOxfordandCambridgeIII.UsageonP45-461)swimmingpool2)drawingboard3)enrichedMiddleEnglish4)disturbingchange5)fullydevelopedprototype6)Cannedfoods7)workingpopulation8)puzzlingdifferencesComprehensiveExs.:I.cloze1.text-relatedonP461)computerized2)startup3)bepoisedto4)alert5)hazards6)monotonous7)takecontrolof8)steer9)lane10)decrease11)calculate12)eliminate13)gettingstuckin14)mounted15)detect16)vapor2.theme-relatedonP471)generates2)related3)revolutionized4)enabled5)opportunities6)overall7)manufacturing8)dependent9)interact10)fatalitiesII.TranslationEx.1onP47-481)Therewasanunusualquietnessintheair,exceptforthesoundofartilleryinthedistance.2)TheexpansionofurbanareasinsomeAfricancountrieshasbeencausingasignificantfallinlivingstandardsandanincreaseinsocialproblems.3)Theresearchshowsthatatmosphericcarbondioxidelevelsarecloselycorrelatedwithglobaltemperatures.4)Thefrequencyofthebusservicehasbeenimprovedfrom15to12minuterecently.5)Thediverstoodontheedgeofthedivingboard,poisedtojumpatthesignalfromthecoach.Translation:Ex.2onP48Automobileshave,sincetheirinvention,revolutionizedtransportation,changingforeverthewaypeoplelive,travel,anddobusiness.Ontheotherhand,theyhavebroughthazards,especiallyhighwayfatalities.However,todaytheapplicationofcomputertechnologyandelectronicsensorsindesigningandmanufacturingcarsmakesitpossibletoeliminatemostoftrafficaccidents.Forexample,electronicsensorsmountedinyourcarcandetectalcoholvaporintheairandrefusetostartuptheengine.Theycanalsomonitorroadconditionsbyreceivingradiosignalssentoutfromorbitingsatellitesandgreatlyreduceyourchancesofgettingstuckintrafficjams.