全新版大学英语第二版综合教程4课后答案unit2.ppt

全新版大学英语第二版综合教程

第四册课后答案Unit2

GR_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)cure 2)impact 3)orbiting4)warnof 5)location 6)Atanygiventime7)vibrate 8)detected 9)calculate10)convertedI.Vocabulary:Ex.1onP41-421.expansion 2.automated 3.vapor 4.takecontrolof5.hazards 6.satellite 7.vibrated 8.magnetic9.bunched 10.intheair 11.gotstuckin12.approximatelyVocabulary:Ex.2onP421.sendout 2.standupfor 3.passfor4.wereclosinginon 5.startingup6.wentthrough 7.fillout 8.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,hazard

II.WordFormationonP45Kilogram MedicalcareMemorandum ElectronicmailGymnasium CommunicationssatelliteLiberation Newsbroa