全新版大学英语综合教程第四册课件 .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“blinds

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

3、etodetermineyourlocationontheearthtowithinaboutahundredfeet.3.Atomicclockvibratesataprecisefrequency,accordingtothelawsofthequantumtheory.4.Anautomateddriverisaplancallsforcomputers,aidedbythousandsofthree-inchmagneticspikesburiedinthehighway,totakecompletecontrolofthedrivi

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

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

6、.3.vapor:amassoftinydropsofmoistureformingcloudormist汽，雾example:Theatmospherealwayscontainssomemoistureintheformofwatervapor.4.alert:warnsb.thattheremaybedanger,trouble,etc使警惕1.Theteacheralertedthestudentstothedangerofswimmingintheriver.2Themanageralertedthestafftothecrisis

7、facingthecompany.（搭配）alertsb.;alertsb.tosth.5.prototype:thefirstmodelordesignofsth.fromwhichotherformsarecopiedordeveloped原型，样品1.Manufacturersusuallybeginbybuildingtheprototypeofanewmodelbeforetheysetupafactorytomakeupthecars.2.Toyotareleaseditssmall-carprototypei

8、n1947.6.hazard:athingthatcanbedangerousorcausedamage;adangerorrisk危险1.Th