九年级英语全册-Unit-6-When-was-it-invented-Section-A-1课件-

Unit6Whenwasitinvented?SectionA1a-1c第1页ObjectivesTolearntounderstandandusethepassivevoice.Tolistenandspeakaboutthehistoryofinventionsusingpassivevoice.Tolistenandspeakaboutwhatinventionswereusedusingpassivevoice.第2页Doyouknowwhattheseinventionsare?第3页KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.Baird第4页

Canyoumatchtheinventionswiththerightinventors?第5页KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.第6页Thefirsttelephonewasinvented

(byBell)in1876.Bellinventedthefirsttelephonein1876.第7页Thefirsttelevisionwasinvented

(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.第8页1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1–4](1=first,4=last).A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.4213第9页IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.第10页Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.第11页1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacb第12页1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.c第13页Whenwasthecomputerinvented?Letmesee…第14页Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.第15页Whenwasthecomputerinvented?Itwasinventedin1971.第16页Exercise单词拼写1.Iwasn’t________(邀请)totheparty,soIwasangrywithhim.2.Toeveryone’s_________(惊奇),thelaziestboywonthecompetition.invitedsurprise第17页3.Heteaches________(我)English.4.LessonFiveisthe_______(轻易)ofBookIII.5Themachinewas________(创造)inthe1980s.6.Helookforwardto________(成为)a___________(科学家)meeasiestinventedbecomingscientist第18页HomeworkMaked