(大学英语制作示范)全新版大学英语第四册

.,Unit2SmartCars,.,1.understandthemainideaandstructureofthetext;,2.learnsometechniquesinexpositorywriting(definition,quotes,amixtureoffactsandopinions,etc.),4.conductaseriesofreading,listening,speaking,andwritingactivitiesrelatedtothethemeoftheunit.,3.graspthekeylanguagepointsandgrammaticalstructuresinthetext;,.,Warming-upWeoftenuse“smart”todescribeapersonsuchas:Heisasmartguyorsheisasmartgirl.So“smart”meanscleverorcute.Buttheauthoruses“smart”todescribecars.Wemayguessthiskindofcarsshouldbeclevertoo,canwealsocallthemintelligentcars?Beforewereadthetexttofindtheanswer,first,letstalkaboutsomerelevantinformationondaily-usedcars.,.,RelevantInformation:,SmartCars,.,Thefirstself-propelledcarwasbuiltbyNicolasCugnotin1769whichcouldattainspeedsofupto6kms/hour.In1771heagaindesignedanothersteam-drivenenginewhichransofastthatitrammedintoawall,recordingtheworldsfirstaccident.,TheInventionofCars,.,Somefamousbrandsofcars,.,GeneralMotors,GeneralMotors(GM)hassteeredaroundcompetitorstoremaintheworldsfirstmakerofcarsandtrucks,withbrandssuchasBuick,Cadillac,.,FordMotorCompanyoffersawealthofvarietytotheautomotiveconsumer.,LandRover,VehicleBrands,Volvo,Jaguar,Lincoln,AstonMartin,Mazda,.,:,DaimlerChryslerspassengercarbrandsinclude,Maybach迈巴赫,Dodgeandsmart.,Mercedes-Benz,Chrysler,Jeep,.,Toyotaisaworldfamousbrandofcars.ThecompanyisinJapan.,.,Thisbrandhasstoodformorethan100years.ItisaGermancompany.,.,Doyouwanttoownacar?,Pleasestateoutyourreason.,.,Discussion,Requests,A.IfIcouldaffordacar,Iwillbuyonewithouthesitationbecause.B.EvenifIcouldaffordacar,Imaynotactuallywanttodriveonebecause.,.,Discussion,Forstudents:Themeritsanddemeritsofcars.,Somescientistsandengineerscomeupwiththeideaofa“smartcar”.Letshavealookatwhat“asmartcar”is.,.,PartI(P1-P3),WordsandExpressions,1.To/becomeareality,eg.WorkingathomeandcommunicatingwithfellowworkersviatheirPCshasbecomeareality.,Automobile:1895年,法国科学院正式把这种乘人的车辆定名为“汽车”（Automobile),该词源自希腊文的Auto（自己）和拉丁文的mobile（运动），即自己运动的车辆。,.,2.lucarative:producingmuchmoney；profitable,.,3.manufacture,makegoodsonalargescaleusingmachinery,e.g:Britainnowmanufacturesapproximately40percentofEuropesdesktopcomputers.,manufacturern制造商manufactoryn制造厂，工厂manufacturinga.制造的，生产的manufacturingindustry:制造工业,MainIdea:Newtechnologywillhaveadramaticimpactoncarsandhighwaysinthe21stcentury,.,PartII(P4-P9),MainIdea:Withtheaidofadvancedtechnology,smartcarswillbesodesignedthattheycanhelp:*eliminatetrafficaccidents,*determinetheirownpreciselocations,*warnoftrafficjams.,.,Whatistheapproximatenumberofstudentsineachclass?Thesepercentagesareonlyapproximate.Approximately$150millionistobespentonimprovementsonschoolbuildings.,WordsandExpressions,anapproximatenumber,amount,ortimeisclosetotheexactnumber,amountetc,butcouldbealittlebitmoreorlessthanitrough,.,.,amassoftinydropsofmoistureformingcloudormist汽，雾Theatmospherealwayscontainssomemoistureintheformofwatervapor.,.,warnsb.thattheremaybedanger,trouble,etc使警惕1.Theteacheralertedthestudentstothedangerofswimmingintheriver.2Themanageralertedthestafftothecrisisfacingthecompany.,（搭配）alertsb.;alertsb.tosth.,.,.,Thefirstformthatanewdesignofacar,machineetchas,oramodelofitusedtotestthedesignbeforeitisproducedsomeoneorsomethingthatisoneofthefirstandmosttypicalexamplesofagrouporsituation.,1:aworkingprototypeofthenewcar2:Bellutteredtohisassistantthewords,“Mr.Watson,comehere;Iwantyou,”usingaprototypetelephone.,.,boringbecauseofalwaysbeingthesame,1:amonotonousdiet2:alittleboywhowethisbedwithmonotonousregularity.3:Ourteamkeptlosingwithmonotonousregularity.(=inawaythatseemsboringorannoying).,.,athingthatcanbedangerousorcausedamage;adangerorrisk1.Theresearchhasconfirmedthattobaccosmokepresentsahazardtohealth.2.Smogdevelopedintoamajorhealthhazardbythe20thcentury.,.,1.Thewholehousevibrateswheneveraheavytruckpasses.2.Soundsareproducedbyobjectsthatvibrateintheairataratethattheearcandetect.,(causesth.to)moverapidlyandcontinuouslybackwardsandforwards,.,sendout:transmit(asignal,etc)byradiowaves,Batssendoutsoundwavesandmakesenseoftheirenvironmentfromtheechoestheyreceive.,.,changefromoneformorusetoanother(followedbyinto/to),convert:,1.Heconvertedhispoundsintodollars.2.Waterisconvertedintosteamifitisboiled.,.,haveamutualrelationshiporconnection,inwhichonethingaffectsordependsonanother(followedbywith/to),correlate,1.Medicalevidenceshowsthatsmokingandlungcancerarecorrelated.2.Amotherssmokinginpregnancycorrelateswithlowbirthweightinherbaby.,.,While-readingtasks,Findingoutdefinitions,Inparttwo,wewillfindsometermsinquotationmarksorwithcapitalizedfirstletters,suchas“blindspot”,GlobalPositioningSystem,“atomicclocks”,“telematics”and“automateddriver”.Whatdotheymean?Howdowefindout?,3.“atomicclocks”,4.telematics,1.“blindspot”,2.GlobalPositioningSystem,Whatdotheymean?Howdowefindout?,.,Forexample,whenyoucomeacrossthissentenceinPara.5thelastline.,Ibelieveanefficientreaderknows.Youcanmakeaguessbasedonknowledgeofword-formationorknowledgeoftheworldorthecontext.,“Shouldyoumakeaseriousdrivingmistake(e.g.changelaneswhenthereisacarinyour“blindspot”)thecomputerwouldsoundanimmediatewarning”Youcanguessfromthecontextthatablindspotmustbeaportionoftheroadbehindacar,whichadrivercannotobservefromtherear-viewmirror.,.,WhatisGPS?Andcanyoutellmeitsfunction?Whatisanatomicclock?Whatisanautomateddriver?,Trytomakeaguess,.,Wecanguessthemeaningof“telematics”fromitswordformation.Payattentionhere:,Theprefix“-matics”maybetheendpartof“informatics”.ThenthesentenceinthetextPara.11thefirstsentence:“GPSisactuallybutpartofalargermovent,calledtelematics”tellsusmoreaboutit.,.,So,tobeanefficientreader,youshouldlearntoguessthewordsmeaningbasedonknowledgeofwordformation.Andinthisunit,wearegoingtolearnoneimportantwordformation,thatisAbbreviation,.,classassignments,.,.,WordFormation,Abbreviation,.,Clippingmeansformingawordbyomittingsomelettersofaword.e.g.,.,Blendingmeansformingawordbycombiningpartsofsomeotherwords.e.g.,.,Nowtrytofindoutwhatwordsthefollowingclippedwordsandblendsareformedfrom:,.,PartIII(P10P13),WordsandExpressions,mount,fix(sth.)inpositionforuse,displayorstudy;put(sth.)intoplaceonasupport,1.Someautomobilesweredesignedwithatransmissionmountedontherearaxle.2.Thefirstgas-poweredvehicleslookedlikehorsesbuggieswithenginesmountedunderneath.,.,grouptogether(bothactiveandpassive),Abunchofrose,bunch,1.Theybunchedtogethertoallowotherstosqueezeintothecrowdedelevator.2.Therunnerswerestillbunchedtogetheronthetrack.,.,bepoisedto(do):bereadytotakeactionatanymomentTheautomobilecompanyispoisedtolaunchitsnewadvertisingcampaign.,.,Youmightaswellapplyforthejob-youvegotnothingtolose.,Ellens