九年级英语全册 Unit 6 When was it invented Section A（1a-2d）课件 （新版）人教新目标版.ppt

,SectionA1a-2d,Unit6,Whenwasitinvented?,Doyouknowwhattheseinventionsare?,Doyouknowwhotheseinventorsare?,KarlBenz,AlexanderBell,J.L.Baird,KarlBenzinventedthefirstcarin1885.,Thefirstcarwasinvented(byKarlBenz)in1885.,Thefirsttelephonewasinvented(byBell)in1876.,Bellinventedthefirsttelephonein1876.,Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.,J.L.Bairdinventedthefirsttelevisionin1927.,Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem1-4.,1a,2,3,1,4,IthinktheTVwasinventedbeforethecar.,Well,IthinktheTVwasinventedafterthecar.,Ithinkthetelephonewasinventedbeforethecomputer.,Well,Iagreewithyou.,Listenandmatchtheinventionswiththeyears.,1b,_1876_1885_1927_1971,d,a,c,b,StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.,1c,Whenwasthetelephoneinvented?,Ithinkitwasinventedin1876.,Whenwasthecarinvented?,Itwasinventedin1885.,WhenwastheTVinvented?,Itwasinventedin1927.,heeln.鞋跟;足跟,scoopn.勺;铲子,electricityn.电;电能,stylen.样式;款式,Presentation,Listenandnumbertheinventions1-3intheorderyouhearthem.,2a,_shoeswithspecialheels_shoeswithlights_hotice-creamscoop,runsonelectricity,1,3,2,Listenagainandcompletethechartbelow.,2b,changing,serving,inthedark,Makeconversationsusingtheinformationin2b.,Whataretheshoeswithlightsusedfor?,2c,Theyreusedforseeinginthedark.,Whatarehotice-creamscoopusedfor?,Theyreusedforservingforreallycoldice-cream.,Whatareshoeswithspecialheelsusedfor?,Theyreusedforchangingthestyleoftheshoes.,Readthedialogueandanswerthequestions.,Whatisthesubjectfortheirschoolproject?2.WhatkindofinventiondoesRoythinkof?3.WhydoesRoythinkitisagreatinvention?4.Whoandwhenwasthezipperinvented?5.Whendidthezipperbecomepopular?,Smallinventionsthatchangedtheworld.,Thezipper.,Becauseitisoftenusedinourdailylives.,WhitcombJudsonin1893.,Around1917.,2d,Role-playtheconversation.,HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?,Mypleasure!LetmethinkhmmIknow!Thezipper!,n.项目;工程,n.高兴;愉快,n.拉链,Role-playtheconversation.,Thezipper?Isitreallysuchagreatinvention?,Thinkabouthowoftenitsusedinourdailylives.Youcanseezippersondresses,trousers,shoes,bagsalmosteverywhere!,adj.每日的；日常的,Well,youdoseemtohaveapoint,Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.,n.网站,n.先锋;先驱,v.列表;列清单n.名单;清单,Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasntusedwidely.,v.提到;说到,Really?Sowhendiditbecomepopular?,Around1917.,单项选择,Sweatersareusedfor_warm.A.togiveB.tokeepC.givingD.keeping2._doyouthinkthecomputerwasinventedby?A.WhenB.WhatC.WhoD.Why3.Shedliketohaveamobilephone_shecouldcommunicatewithherfriends.A.thoughB.untilC.unlessD.because,D,C,D,4.Doestheboyenjoy_musicwithhisMP4allday?A.tohearB.hearingtoC.t