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1、Whenwasitinvented?Unit9Whichdoyouthinkisthemostimportantinventionintheworld?Whatothercanyouthinkof?TV?telephone?radio?computer?calculator?car?Canyoutellwhentheywereinvented?188518761927197619271aGROUPWORKLookatthethingsbelow.Numberthem[1—5]accordingtotheordertheywereinvented.35241A:Ithink…wasi
2、nventedbefore…B:Well,Ithink…wasinventedafter….gameA:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….gameA:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter…gameA:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter…gamea1bListenandmatchtheinventionswiththedates.___1876___1885
3、___1927___1971___1976bacdebecdAccordingtowhatyouhavelistened,answerthequestionsbelow.1.Whatdidthegrandmahavewhenshewasyoung?2.Whydidn’ttheyhaveatelevisionatthattime?3.Doesgrandmahavepersonalcomputernow?Telephoneandcar.Becauseitwasexpensive.Yes,shedoes.TAPESCRIPTSGirl:Lifemusthavebeendifficultw
4、henyouwereakid.Woman:Oh,notreally.Whydoyousaythat?Girl:Well,youdidn'thavemanymoderninventions.Like,youprobablydidn'thaveatelephone,right?Woman:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Girl:Howaboutcars?Ibetcarsweren'tinventedyet.Woman:Suretheywere.Carswereinventedin1885.
5、Myfamilyhadacar.Ithinkyouneedtotakeahistoryclass,Alice.Girl:Ha,ha!Well,didyouhaveaTV?Woman:No,wedidn’t.TheTVwasinventedaround1927,Ithink.Somefriendsofminehadone.Butinthosedays,TVswerereallyexpensive,andwecouldn'taffordone.Girl:AndIbetyoudidn'thavecalculatorsandcomputersandstuff.That'ssomething
6、Idoknow.Welearnedinschoolthathand-heldcalculatorswereinventedin1971andpersonalcomputerswereinventedin1976.Woman:You'reright.Ididn'thavethosethingswhenIwasyoung.ButIdonow!1cPAIRWORKStudentA,coverthedatesandaskstudentBwhenwerethethingsinthepictureabovewereinvented.ModelA:Whenwasthetelephoneinven
7、ted?B:Ithinkitwasinventedin1876.A:Whenwasthecarinvented?B:Ithinkitwasinventedin1930.Ithinkitwasinventedafterthetelephone.A:Whenwasthe_______invented?B:Ithinkitwasinventedin______.Pairwork(1c:P68)19761885187619271971Edisoninventedtheligh
