人教版九年级Unit6SectionA1a-1c课件.ppt

Unit9,Period1SectionA1a-1c,Whenwasitinvented?,年份的读法,两个数字一组，分为前后两组,1,2,1865eighteensixtyfive1989,千年的读法,twothousand2001,twothousandandone,nineteeneightynine,3,前两个数字不为零，后两个数字为零。,eighteenhundred1900,nineteenhundred,4,非四位数的年份的读法！,531fivehundredandthirty-one,翻译下列年代：,1nineteenseventy-one_2eighteeneighty-five_3.eighteenseventy-six4.1927_5.1976_6.2008_7.2014,1971年,1885年,1876年,nineteentwenty-seven,nineteenseventy-six,Twothousandandeight,nineteenandfourteen,WhataretheFourGreatInventionsinancientChina?,Doyouknow?,Chinesefourgreatancientinventions,compass,gunpowder,printing,Papermaking,Moderninventions,calculator,klkjuleit,A:IthinktheTVwasinventedbeforethecar.B:Well,IthinktheTVwasinventedafterthecar.,Talkaboutwithyourparterner.,A:Ithinkthecalculatorwasinventedbeforethecomputer.B:Well,Ithinkthecalculatorwasinventedafterthecomputer.,Talkaboutwithyourparterner.,Listenandchoosethesentences.,ACarswereinventedin1885.BThetelephonewasinventedin1876.CPersonalcomputerswereinventedin1976.DTheTVwasinventedaround1927.,Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidnthavemoderninventionslikeatelephone,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?1Youneedtotakeahistoryclass,Alice!Alice:Haha!Howaboutcars?Theywerentinventedyet,werethey?Grandma:Yes,theywere.2Myfamilyhadacar.Alice:Well,didyouhaveaTV?,A,B,Grandma:No,wecouldntaffordone.Theywereexpensiveinthosedays.3,Ithink.Alice:Well,Iknowthatyoudidnthaveacomputerbecausewelearnedinschoolthat4.Grandma:Youreright.ButIhaveonenow!,C,D,1,2,3,4,1a,_1976_1876_1927_1885,telephonecartelevisioncomputer,Whenwasitinvented?,b.,d.,c.,a.,_wasinventedin_.,Practicethesentences.,Pictured:Thetelephonewasinventedineighteenseventy-six(1876).Picturea:Carswereinventedineighteeneighty-five(1885).Picturec:TheTVwasinventedaroundnineteentwenty-seven(1927).Pictureb:Thepersonalcomputerswereinventedinnineteenseventy-six(1976).,再听一次，填单词。,Alice:Wasyourlifeverydifficultwhenyouwereakid?Grandma:Oh,notreally.Why?Alice:Well,youdidnthavemoderninventionslikea,right?Grandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!Alice:Haha!Howabout?Theywerentinventedyet,werethey?Grandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.,telephone,car,Alice:Well,didyouhaveaTV?Grandma:No,wecouldntone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.Alice:Well,Iknowthatyoudidnthaveabecausewelearnedinschoolthatpersonalcomputerswereinventedin1976.Grandma:Youreright.ButIhavenow!,afford,computer,Summaries,moderninventionsbeinventedinneedtotakeahistoryclasscouldntaffordoneinthosedayspersonalcomputers,现代发明在某年、某地发明需要做某事上历史课买不起在过去个人电脑,telephone,手机：,mobilephonecellphone,A:Whenwastheinvented?B:Itwasinventedin_.,1c,TV,television,A:Whenwastheinvented?B:Itwasinventedin_.,computer,私人电脑,笔记本电脑,personalcomputer,notebookcomputer,A:Whenwastheinvented?B:Itwasinventedin_.,car,Benz(奔驰),A:Whenwastheinvented?B:Itwasinventedin_.,Languagepoints,1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。ColumbusdiscoveredAmericain1492.1492年哥伦布发现了新大陆。Recentlytheyhavediscoveredacomet.最近他们发现了一颗彗星。,2.find的意思是“寻找”，强调找的结果，并不指发现。Ivetriedtofindanothercopybutcouldntfindone.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Mancreateshimself.人类创造了自己。Anovelistcreatescharactersandaplot.小说家塑造人物并设计情节。,Exercise,用invent,discover，find或create的形式填空，完成句子。1.When_thestreamengine（蒸汽机）_?2.Icant_mybike,Imlookingforit.3.Scientistsarenowtryingto_ifthisispossible.,find,was,invented,discover,4.Doyouknowwho_theplane？5.He_quiteanumberofwonderfulcharactersinhisplay.,invented,created,用所给单词的正确形式填空：,Whenthetelephone(invent)?Thecomputercanusdomathproblems(help).,invented,was,help,Inthoseday,thewomancouldnt(afford)aTVbecausetheywerereallyexpensive.Afriendof(I)cametoseemelastweek.Ithinkyouneed(take)ahistoryclass.,afford,mine,totake,单项选择,（）1.Thekindofcupisused_drinking.A.toB.asC.byD.for（）2.Mymotherandmysisterkeptontalking,butmyfather_silentallthetime.A.