高中英语 unit3using language 课件 新人教版选修8

Unit3InventorandInventionUsingLanguage1TheTelephonebecomespartofourlife.Butdoyouknowwhoinventedthefirsttelephone?231.Whatdoyouknowabouttheinventor?2.Howusefulishisinventiontohumansociety?Why?Pre-reading4Lead-inABritishinventorcalledAlexanderGrahamBell.亚历山大．格雷厄姆．贝尔561.Whichofthefollowingstatementsisnottrue?A.Bellinventedthetelephonebychance.B.BellwantedtogetapatentforhisinventionC.Be...