全新版大学英语第四册02 Unit 2 Smart cars.ppt

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1、全新版大学英语第四册02Unit2SmartcarsInthisUnit,youwill…Pre-readingtaskText-analysisWordsandexpressionsClassassignmentsWritingskillsHomeworkAUDIBMWBUICKBENZTOYTAPASSATQuestionsWouldyouliketodriveasmartcar?whyorwhynot?Whathopesdoyouhaveforthefutureofsmartcars?Textanalysis:Whatis“blindspot”?

2、2.WhatistheGlobalpositioningsystem?3.Whatisanatomicclock?4.Whatisanautomateddriver?keykeykeykeyAnswers:1.Ablindspotmustbeaportionoftheroadbehindacar,whichadrivercannotobservefromtherear-viewmirror2.Globalpositioningsystemisaservicelinkedwithasatellite.Theymakeitpossibletodetermi

3、neyourlocationontheearthtowithinaboutahundredfeet.3.Atomicclockvibratesataprecisefrequency,accordingtothelawsofthequantumtheory.4.Anautomateddriverisaplancallsforcomputers,aidedbythousandsofthree-inchmagneticspikesburiedinthehighway,totakecompletecontrolofthedrivingofcarsonheavi

4、lytraffickedroads.Carswillbebunchedintogroupsoftentotwelvevehicles,onlysixfeetapart,travelinginunison,andcontrolledbycomputer1.lucrative:Producingmuchmoney;profitable生利的，赚钱的Examples:1.Manyex-armyofficershavefoundlucrativejobsinprivatesecurityfirms.2.Wemadealucrativebusinessdealw

5、iththeAmericancompanyonriceimports.2.eliminate:removesb./sth..thatisnotwantedorneeded;getridof消除，消灭，排除e.g.1.Canthegovernmenteliminatepoverty?2.Shewentthroughthetypescriptcarefully,toeliminateallerrorsfromit.搭配collocationeliminatesth.;eliminatesth.fromsth.3.vapor:amassoftinydrops

6、ofmoistureformingcloudormist汽，雾example:Theatmospherealwayscontainssomemoistureintheformofwatervapor.4.alert:warnsb.thattheremaybedanger,trouble,etc使警惕1.Theteacheralertedthestudentstothedangerofswimmingintheriver.2Themanageralertedthestafftothecrisisfacingthecompany.（搭配）alertsb.;

7、alertsb.tosth.5.prototype:thefirstmodelordesignofsth.fromwhichotherformsarecopiedordeveloped原型，样品1.Manufacturersusuallybeginbybuildingtheprototypeofanewmodelbeforetheysetupafactorytomakeupthecars.2.Toyotareleaseditssmall-carprototypein1947.6.hazard:athingthatcanbedange

8、rousorcausedamage;adangerorrisk危险1.Th