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1、Unit2.SmartCarsSmartcarsTeachingOutlinePre-readingTasks(P3--12)Global-readingTasks(P13-34)While-readingTasks(P35-44)Post-readingTasks(P45-58)Pre-readingTasks1.Questionsrelatedtothetheme(P4)2.BackgroundInformation(P5-12)Questionsrelatedtothetheme:1.Ifyoucouldaffordacar,wouldyouwanttodri
2、veone?Whyorwhynot?2.Inyouropinion,whatisa“smartcar”?BackgroundInformation1.Automobileindustry:Theautomobileindustryisoneofthemostimportantindustriesintheworld,affectingnotonlyeconomiesbutalsocultures.Itprovidesjobsformillionsofpeople.Automobilesrevolutionizedtransportationinthe20thcent
3、ury,changingforeverthewaypeoplelive,travel,anddobusiness.Theautomobilehasenabledpeopletotravelandtransportgoodsfartherandfaster,andhasopenedwidermarketareasforbusinessandcommerce.Automobilemanufacturersareamongthelargestcompaniesintheworld.Thesecorporationsareoftenmultinational.Theseco
4、mpaniesoftenshareparts,orusepartsmadeinforeignfactories.Atthestartofthe21stcentury,thetrendsofglobaltradeandmanufacturingflexibilitycontinue.Computerizationcontinuestobeamajorpartofautodesignandmanufacture.2.GlobalPositioningSystem(GPS):space-basedradio-navigationsystem,consistingof24s
5、atellitesandgroundsupport.GPSprovidesuserswithaccurateinformationabouttheirpositionandvelocity(速度),aswellasthetime,anywhereintheworldandinallweatherconditions.GPSdetermineslocationbycomputingthedifferencebetweenthetimethatasignalissentandthetimeitisreceived.GPSsatellitescarryatomiccloc
6、ksthatprovideextremelyaccuratetime.AsofMarch1994,24GPSsatelliteswereinoperation.GPSapplicationscontinuetogrowinland,sea,air,andspacenavigation.TheabilitytoenhancesafetyandtodecreasefuelconsumptionwillmakeGPSanimportantcomponentoftravelintheinternationalairspacesystem.AirplaneswilluseGP
7、Sforlandingatfogboundairports.AutomobileswilluseGPSaspartofintelligencetransportationsystems.3.IntelligentTransportationSystems(ITS):advancedelectronics,communications,andcomputersystemsthatincreasetheefficiencyandsafetyofhighwaytransportation.OriginallyknownasIntelligentVehicle/High