英语人教版九年级全册unit6sectionA.ppt

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1、双江县勐库中学——杨文光Lookatthethings.Inwhatorderdoyouthinktheywereinvented?A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.GameA:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….Thecarwasinventedbefo

2、retheTVset.ThetelephonewasinventedbeforetheTVset.A:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….A:Ithink…wasinventedbefore…B:Well,Ithink…wasinventedafter….Thetelephonewasinventedbeforethecomputer.ObjectivesTolearntounderstandandusepassivevoic

3、eTolistenandspeakaboutthehistoryofinventionsusingpassivevoiceTolistenandspeakaboutwhatinventionswereusedforusingpassivevoice1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1–4](1=first,4=last).A:Ithink

4、theTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1976dacb2aListenandnumbertheinventions[1–3]intheorderyouhearthem.2132bListenagainandmatchtheitemswiththeirinvento

5、rsanduses.changinginthedarkservingPaul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Roy:Mypleasure!Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?Roy:Thinkabouth

6、owoftenit’susedinour2dRole-playtheconversation.dailylives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!Paul:Well,youdoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswereliste

7、dthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Paul:Really?Sowhendiditbecomepopular?Roy:Around1917.HomeworkMakeaconversationaboutinventions.Masterthewordsinthisunitandpre-viewnextpart.ThankYou

8、!