2019-2020年高中英语 Unit 3 Inventors and inventions教案 新人教版选修8

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1、2019-2020年高中英语Unit3Inventorsandinventions教案新人教版选修8【美文阅读】　Wirelesschargingformobilephonesbyxx近日，日本的富士通公司宣布，他们开发出了一套能为手机等便携式电子设备无线充电的系统。Fujitsu，aJapanesetechnologypany，hascreatedasystemcapableofsimultaneously(同时地)chargingmanyportableelectronicdevicessuchasmobilephones，digitalcamerasandlaptopswithou

2、ttheneedforcable(电缆)connections.ElectriccarusersmayalsoeventuallybeabletochargetheirvehicleswirelesslyusingthesametechnologyaccordingtoFujitsu，whichdisplayedamodelsystematanInstituteofElectronics，InformationandmunicationEngineersconference.Claimingtobetheworld'sfirstofitskind，thetechnologyworkson

3、thebasisofthetransmissionofelectricityusingmagnetic(磁的)fieldsbetweenthechargerandtheelectronicdevice.Thesystemmakesitpossibletochargewirelesslyatdistancesofuptoseveralmeters，andFujitsuaimstoprovidepublic“chargingspots”onthestreetsinordertoprovideeasychargingdayandnight.ScientistsatFujitsuLaborato

4、riesareplanningtomerciallysellproductsbiningthenewwirelesschargingsystemasearlyasxx.MobilephoneusersinJapancancurrentlychargetheirbatteriesusingportablebatterydevicesavailableatmosttrainstationsandconveniencestores－althoughphonepanieswarnthiscandamagethephones.ThenewsysteminventedbyFujitsu，howeve

5、r，ismuchmoreadvancedandrepresentsthenextgenerationofportablerechargingsystemsusingflexiblewirelesstechnology.Thepanyadded，“Wearealsolookingatapplyingtheresultsofthisworktofieldsotherthanportableelectronics，includingpowertransmissionbetweencircuitboards(电路板)orputerchips，andprovidingmobilechargings

6、ystemsforelectriccars.”【诱思导学】　1．Howdoesthewirelesschargingtechnologywork?____________________________________________________________________________________________【答案】　Itworksonthebasisofthetransmissionofelectricityusingmagneticfieldsbetweenthechargerandtheelectronicdevice.2．Whencanconsumerspro

7、bablybuyproductsusingthenewwirelesschargingsystem?______________________________________________【答案】　Asearlyasxx.PeriodⅠPreviewing(教师用书独具)●教学目标本课时主要是通过学生对学案所给出的内容的学习，了解本课文中所出现的词汇，初步了解课文以及相关的背景知识，为下一堂课对课文的全面理解起到一个铺垫作用。●