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Unit,1,Welcometotheunit,Unit1,课件描述:根据该板块的设计意图和功能,本课时的教学设计旨在激活学生与单元话题有关的已有知识,引导学生联系自己的亲身经历进行相关话题的讨论,帮助学生为后面其它板块的学习积累信息并同时进行词汇准备,调动学生继续学习本单元其它板块的积极性。,Warmingup,Canyoumakealistoftheelectricalappliancesandelectronicdevicesyouhaveathome?,electricalappliances:Amachine,usuallyonethatiselectrical,thatisusedfordoingjobsinthehome,suchaswashingclothesorcookingMosthomesnowhavenumerouselectricalappliances,fromdishwasherstomicrowaveovens.,electronicdevices:ausuallysmallpieceofequipment,especiallyadvancedelectronicequipmentSomecarsarefittedwithasafetydevicewhichwontletthecarstartunlesspassengersarewearingseatbelts.,MicrowaveovensRefrigeratorsTVsetsAirconditionersWashingmachinesVacuumcleanersDishwasherComputersCDplayersMobilephonesDigitalcameraElectronicdictionaries,Talkingaboutyourexperience,Howhavetheychangedourlife?“Personally,Ithinktheinventionthathasgreatlychangedourlifeis_because_.”,Whatcontributedtothesegreatinventions?A.Thedevelopmentofscienceandtechnology.B.C.,Sharingyouropinions1.Doyouagreewiththefollowingstatements?(Pleasespecify.),1.Technologyhasseensomeamazingdevelopmentsinthelastfewdecades.2.Technologicalinventionshavegreatlyimprovedpeopleslives.,advantagesanddisadvantagespositiveeffectsandnegativeeffectsprosandcons,2.Ifyouwereaninventor,whatwouldyouliketoinvent?,Homework1.Writeashortpassageaboutwhatyoudliketoinventandwhy.2.PreviewReading.(Page2-4)3.WorkbookReadingA,B.(Page106-107),
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