Unit18-invention--w,l,s课件
日期：2010-04-26 04:16
printing，Paper，gunpowderand_____are4greatinventionsinancientChinaabacusbalancecompasscompass2_____isn’tThomasEdison’sinventionLightbulbRecordplayerTelephoneTelephone3GeorgeStephensonmadethefirsttrainusingasteamenginein_____．1625B1725C1825C18254_____iscalled“FatherofCar”ARudolfDieselBKarlBenzCThomasEdisonBKarlBenz5_____iscalled“FatherofDynamite（炸药）”AlfredNobelBAlbertEinsteinCAlexanderBellAAlfredNobel6Marconi(马可尼)inventedthefirst____intheworldTVBRadioCTypewriterBRadio7_____inventedthefirstairplaneAWrightBrothersBHenryFordCBenjaminFranklinAWrightBrothersThomasEdisonAmerica(1847——1931)Besideslightbulb，hedevelopedthephonographZhangHeng(78—139)seismographAlexanderGrahamBellEngland(1847--1922)JamesWattScotchmanSteamengineBenjaminFranklinAmericaHeinventedthelightningrodtoprotectbuildingsandshipsfromlightningdamageDiscussion:InventionsarewonderfulDoyouknowwhypeoplecomeupwiththeseideasfornewinventions，
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