SectionA自主学习Unit6Whenwasitinvented?

1aLookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4](1=first,4=last).A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.2一般过去时的被动语态413

1bListenandmatchtheinventionswiththeyears.______1876______1885______1927______1971dacb

1cStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.A:Whenwasthetelephoneinvented?B:Ithinkitwasinventedin1876.

2aListenandnumbertheinventions[1-3]intheorderyouhearthem._______shoeswithspecialheels_______shoeswithlights_______hoticecreamscoop,runsonelectricity312

2bListenagainandcompletethechartbelow.InventionWhatisit/aretheyusedfor?shoeswithspecialheels___________thestyleoftheshoesshoeswithlightsseeing_______________hotice-creamscoop___________reallycoldice-creamchanginginthedarkserving

2cMakeconversationsusingtheinformationin2b.A:Whataretheyusedfor?B:They’reusedfor...

2dRole-playtheconversation.Paul:HeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld”.Canyouhelpmethinkofaninvention?长难句分析：这是一个主系表结构的句子。其中表语部分包含了一个that引导的定语从句，其先行词是inventions。

Roy:Withpleasure!Letmethink...hmm...Iknow!Thezipper!Paul:Thezipper?Isitreallysuchagreatinvention?

Roy:Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags...almosteverywhere!长难句分析：这个句子包含了howoften引导的宾语从句。宾语从句是主（it）谓（isused）结构。

Paul:Well,youdoseemtohaveapoint...Roy:Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.常见搭配：websitedevelopment网站开发th