1、Unit6When was it invented?listening&speaking第1页Section APeriod One第2页“Whatsthis?第3页It was made by Bell at first .贝尔(人名)贝尔(人名)第4页It used to be like this 第5页It is used for watching programs.(节目)节目)prgrm 第6页It was made of steel and ironan 铁铁第7页inventionsnvenn创造When were they invented?nvent第8页第9页abcd_wa
2、sinventedin_.1第10页Practicethesentences.Pictured:Thetelephonewasinventedineighteenseventy-six(1876).Picturea:Carswereinventedineighteeneighty-five(1885).Picturec:TheTVwasinventedaroundnineteentwenty-seven(1927).Pictureb:Thepersonalcomputerswereinventedinnineteenseventy-six(1976).第11页再听一次,填单词。Alice:Wa
3、syourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidnthavemoderninventionslikea,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howabout?Theywerentinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedi
4、n1885.Myfamilyhadacar.telephonetelephonecarcar第12页Alice:Well,didyouhaveaTV?Grandma:No,wecouldntone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidnthaveabecausewelearnedinschoolthatpersonalcomputerswereinventedin1976.Grandma:Youreright.ButIhavenow!affordaffo
5、rdcomputercomputer第13页Summariesmoderninventionsbeinventedinneedtotakeahistoryclasscouldntaffordoneinthosedayspersonalcomputers当代创造当代创造当代创造当代创造在某年、某地创造在某年、某地创造在某年、某地创造在某年、某地创造需要做某事需要做某事需要做某事需要做某事上历史课上历史课上历史课上历史课买不起买不起买不起买不起在过去在过去在过去在过去个人电个人电个人电个人电脑脑脑脑第14页A:Whenwastheinvented?B:Itwasinventedin_.1c1c第15页paper-making造纸术compass指南针printing印刷术gunpowder火药Talk about Chinese great inventions with your partner and write the conversation on your exercise book.homework第16页