九年级英语unit6-Section-A-1a-1c课件

Unit6Whenwasitinvented?SectionA1a-1cTalkabouttheinventions(发明).Whichonedoyouthinkisthemosthelpfulinourdailylife?Leadin

computercarTVmobilephonecameraclock翻译下列年代：1nineteenseventy-one____________2eighteeneighty-five__________3.eighteenseventy-six__________

4.1927_________________5.1976______________________6.2010____________________197118851876nineteentwenty-sevennineteenseventy-sixtwentytentwothousandandtenKarlBenzinventedthefirstcarin1885.Thefirstcarwasinvented(byKarlBenz)in1885.Thefirsttelephonewasinvented

(byBell)in1876.Bellinventedthefirsttelephonein1876.Thefirsttelevisionwasinvented

(byJ.L.Baird)in1927.J.L.Bairdinventedthefirsttelevisionin1927.Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem[1-4].1a2314IthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.Ithinkthetelephonewasinventedbeforethecomputer.Well,Iagreewithyou.Listenandmatchtheinventionswiththeyears.1b___1876___1885___1927___1971dacbSectionA1b

Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howaboutcars?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.SectionA1b

Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howaboutcars?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.discover,invent和find都是动词,它们的词义相近,但是有区别:★discover意为“发现”,指发现某种本来存在,但以前未被发现或未为人所知的事物或现象。

Thelostbikewasdiscoveredatthebusstop.

丢了的自行车在公共汽车站那儿找到了。

LaterIdiscoveredthathewassokind.

后来我才发现他那么善良。★invent意为“发明”,指发明以前不存在的东西。

Doyouknowwhoinventedthecomputer?

你知道谁发明的电脑吗？★find意为“找到,发现”,指偶然发现或几乎没有困难地发现。

Ifoundsomeoldphotosinthatdrawer.

我在那个抽屉里发现了一些旧照片。1).Edison_________theelectriclamp.2).Ilostmynecklacelastnight.Ihaven’t________it.3).Who___________Americafirst?inventedfounddiscovered4).Thetelephone_______in1876.A.inventedB.wasinventedC.wasfoundD.wasdiscovered【点拨】选B。invent“发明”，且telephone与invent之间是动宾关系，应用被动语态。故选B。SectionA1b

Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidn’thavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasinventedin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howaboutcars?Theyweren’tinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.Alice:Well,didyouhaveaTV?Grandma:No,wecouldn’taffordone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidn’thaveacomputerbecausewelearnedinschoolthatpersonalcomputerswereinventedin1971.Grandma:You’reright.ButIhaveonenow!StudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Whenwasthecarinvented?Itwasinventedin1885.WhenwastheTVinvented?Itwasinventedin1927.Whenwasthecomputerinvented?Itwasinventedin1971.一）单项选择（）1.Thekindofcupisused______drinking.A.toB.asC.byD.for（）2.Mymotherandmysisterkeptontalking,butmyfather______silentallthetime.A.gotB.keptC.turnedD.looked（）3.Ithinktheshortstory_______byLuXun.A.iswritingB.iswrittenC.writtenD.waswritten（）4.--Who_____theelectriclightlamp__?—Edison.A.was;inventedB.is;inventedC.was;inventedbyD.did;inventedbyDBDC用所给单词的正确形式填空：1.When____thetelephone_________(invent)?2.Thecomputercan_____usdomath