Unit6Whenwasitinvented?Tolearntounderstandandusethepassivevoice.Tolistenandspeakaboutthehistoryofinventionsusingpassivevoice.Tolistenandspeakaboutwhatinventionswereusedusingpassivevoice.Doyouknowwhattheseinventionsare?KarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1–4](1=first,4=last).A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.4213IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.1bListenandmatchtheinventionswiththeyears.____1876____1885____1927____1971dacb1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.cWhenwasthecomputerinvented?Letmesee…Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.Exercise单词拼写1.Iwasn’t________(邀请)totheparty,soIwasangrywithhim.2.Toeveryone’s_________(惊奇),thelaziestboywonthecompetition.invitedsurprise3.Heteaches________(我)English.4.LessonFiveisthe_______(容易)ofBookIII.5Themachinewas________(发明)inthe1980s.6.Helookforwardto________(成为)a___________(科学家)meeasiestinventedbecomingscientistHomeworkMakedialogueswithyourpartner.Askeachotherabouttheseinventionsinthetextbook.Findoutmoreinformationaboutthem.
