英语人教版九年级全册u6 Section A 1a-2d.ppt

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1、Unit6Whenwasitinvented?SectionA1a-2dLet’stalkaboutfourgreatinventionstelephonecartelevisionKarlBenzDoyouknowwhotheseinventorsare?AlexanderBellJ.L.BairdCanyoumatchtheinventionswiththerightinventors?KarlBenzAlexanderBellJ.L.BairdKarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBe

2、nz)in1885.(PassiveVoice)Thefirsttelephonewasinvented(byBell)in1876.(PassiveVoice)Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.(PassiveVoice)J.L.Bairdinventedthefirsttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthem

3、withyourgroup.Thennumberthem[1-4].1a2314ListeningListenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasi

4、nventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?ItwasinItwasinventedin1927.ventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.heeln.鞋跟;足跟whataretheyusedfor?scoopn.勺;铲子electricityn.电;电能ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___s

5、hoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity123Listenagainandcompletethechart.2bchangingservinginthedarkMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.Whatarehotice-creamscoopusedfor?They’reusedforserv

6、ingforreallycoldice-cream.Whatareshoeswithspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.zipperHeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Role-playtheconversation.2dMypleasure!Letmethink…hmm…Iknow!Thezipper!Role-play

7、n.项目;工程n.高兴;愉快n.拉链Thezipper?Isitreallysuchagreatinvention?Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!adj.每日的；日常的Well,youdoseemtohaveapoint…Ofcourse!IthoughtaboutitbecauseIsawawebsitelast