英语人教版九年级全册Unit 6 Section A（1a ~ 2d）.ppt

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1、Unit6Whenwasitinvented?SectionA1a-1c九年级(全)ObjectivesTolearntounderstandandusethepassivevoice.Tolistenandspeakaboutthehistoryofinventionsusingpassivevoice.Tolistenandspeakaboutwhatinventionswereusedusingpassivevoice.Doyouknowwhattheseinventionsare?KarlBenzDoyoukno

2、wwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionw

3、asinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1–4](1=first,4=last).A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedaft

4、erthecar.4213IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacb备注：见flash课件SectionA1b1cStudentB,

5、coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.cWhenwasthecomputerinvented?Letmesee…Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvent

6、ed?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.Exercises单词拼写1.Iwasn’t________(邀请)totheparty,soIwasangrywithhim.2.Toeveryone’s_________(惊奇),thelaziestboywonthecompetition.invitedsurprise3.Heteaches________(我)English.4.LessonFiveisthe_______(

7、容易)ofBookIII.5.Themachinewas________(发明)inthe1980s.6.Helookforwardto________(成为)a___________(科学家)meeasiestinventedbecomingscientistMakedialogueswithyourpartner.Askeachotherabouttheseinventionsinthetextbook.Findoutmoreinformationaboutthem.HomeworkThankYou!