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

《英语人教版九年级全册Unit 6 Section A(1a-2d)课件.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit6Whenwasitinvented?SectionA11a~2dDoyouknowwhattheseinventionsare?KarlBenz卡尔奔驰Doyouknowwhotheseinventorsare?AlexanderBell亚历山大贝尔J.L.Baird贝尔德Canyoumatchtheinventionswiththerightinventors?Thefirsttelephonewasinvented(byBell)in1876.Bellinventedthefirstt

2、elephonein1876.KarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelevisionwasinvented(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemw

3、ithyourgroup.Thennumberthem[1-4].1a2314Ithinkthetelevisionwasinventedbeforethecar.Idon’tagreewithyou.Ithinkthetelevisionwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.ListeningListenandmatchtheinventionswiththe

4、years.1b___1876___1885___1927___1971dacbStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.Practicing1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasin

5、ventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.ListeningListenandnumbertheinventions[1-3]intheorderyouhearthem.2a___shoeswithspecialheels___shoeswithlights___hotice-creamscoop,runsonelectricity132Li

6、stenagainandcompletethechart.2bchangingservinginthedarkMakeconversationsusingtheinformationin2b.Whataretheshoeswithlightsusedfor?2cThey’reusedforseeinginthedark.Whatarehotice-creamscoopusedfor?They’reusedforservingforreallycoldice-cream.Whatareshoeswit

7、hspecialheelsusedfor?They’reusedforchangingthestyleoftheshoes.HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Role-playtheconversation.2dMypleasure!Letmethink…hmm…Iknow!Thezipper!Role-playThezipp

8、er?Isitreallysuchagreatinvention?Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Well,youdoseemtohaveapoint…Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdiffer