2014九年级Unit-6whenwasitinvented课件SectionA1a-1c.ppt

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1、Period 1Section A 1a-1c年份的读法年份的读法两个数字一组，分为前后两组两个数字一组，分为前后两组两个数字一组，分为前后两组两个数字一组，分为前后两组1 12 21865eighteensixtyfive1989 千年的读法千年的读法2000twothousand20012001twothousandandonenineteeneightynine3 3前两个数字不为零，后两个数字为零。前两个数字不为零，后两个数字为零。1800eighteenhundred1900nineteenhundred4 4非四位数的年份的读法！非四位数的年份的读法！531fivehundreda

2、ndthirty-one 翻译下列年代：翻译下列年代：v1nineteenseventy-one_v2eighteeneighty-five_v3.eighteenseventy-sixv4.1927_v5.1976_v6.2008_v7.201419711971年年年年18851885年年年年18761876年年年年nineteentwenty-sevennineteentwenty-sevennineteenseventy-sixnineteenseventy-sixTwothousandandeightTwothousandandeightnineteenandfourteenninet

3、eenandfourteenWhat are the Four Great Inventions in ancient China?Doyouknow?ChinesefourgreatancientinventionscompassgunpowderprintingPapermakingModerninventionscalculatorklkjuleitA:I think the TV was invented before the car.B:Well,I think the TV was invented after the car.Talkaboutwithyourparterner.

4、A:I think the calculator was invented before the computer.B:Well,I think the calculator was invented after the computer.Talkaboutwithyourparterner.Listenandchoosethesentences.vACarswereinventedin1885.vBThetelephonewasinventedin1876.vCPersonalcomputerswereinventedin1976.vDTheTVwasinventedaround1927.v

5、Alice:Wasyourlifeverydifficultwhenyouwereakid?vGrandma:Oh,notreally.Why?vAlice:Well,youdidnthavemoderninventionslikeatelephone,right?vGrandma:Ofcoursewedid!HowolddoyouthinkIam?1Youneedtotakeahistoryclass,Alice!vAlice:Haha!Howaboutcars?Theywerentinventedyet,werethey?vGrandma:Yes,theywere.2Myfamilyhad

6、acar.vAlice:Well,didyouhaveaTV?A AB BvGrandma:No,wecouldntaffordone.Theywereexpensiveinthosedays.3,Ithink.vAlice:Well,Iknowthatyoudidnthaveacomputerbecausewelearnedinschoolthat4.vGrandma:Youreright.ButIhaveonenow!C CD D12341a1a_ 1976_ 1976_ 1876_ 1876_ 1927_ 1927_ 1885_ 1885telephonecartelevisioncom

7、puterWhen was it invented?b.d.c.a._wasinventedin_.Practicethesentences.vPictured:Thetelephonewasinventedvineighteenseventy-six(1876).vPicturea:Carswereinventedinveighteeneighty-five(1885).vPicturec:TheTVwasinventedaroundvnineteentwenty-seven(1927).vPictureb:Thepersonalcomputersvwereinventedinninetee

8、nseventy-six(1976).再听一次，填单词。vAlice:Wasyourlifeverydifficultwhenyouwereakid?vGrandma:Oh,notreally.Why?vAlice:Well,youdidnthavemoderninventionslikea,right?vGrandma:Ofcoursewedid!HowolddoyouthinkIam?Thetelephonewasin1876.Youneedtotakeahistoryclass,Alice!vAlice:Haha!Howabout?Theywerentinventedyet,wereth

9、ey?vGrandma:Yes,theywere.Carswereinventedin1885.Myfamilyhadacar.telephonetelephonecarcarvAlice:Well,didyouhaveaTV?vGrandma:No,wecouldntone.Theywereexpensiveinthosedays.TheTVwasinventedaround1927,Ithink.vAlice:Well,Iknowthatyoudidnthaveabecausewelearnedinschoolthatpersonalcomputerswereinventedin1976.

10、vGrandma:Youreright.ButIhavenow!affordaffordcomputercomputerSummariesvmoderninventionsvbeinventedinvneedtovtakeahistoryclassvcouldntaffordonevinthosedaysvpersonalcomputers现代发明现代发明现代发明现代发明在某年、某地发明在某年、某地发明在某年、某地发明在某年、某地发明需要做某事需要做某事需要做某事需要做某事上历史课上历史课上历史课上历史课买不起买不起买不起买不起在过去在过去在过去在过去个人电脑个人电脑个人电脑个人电脑telep

11、hone手机：手机：mobilephonecellphoneA:Whenwastheinvented?B:Itwasinventedin_.1c1cTVtelevisionA:Whenwastheinvented?B:Itwasinventedin_.computer私人电脑私人电脑笔记本电脑笔记本电脑personal computernotebook computerA:Whenwastheinvented?B:Itwasinventedin_.carBenz(奔驰奔驰)A:Whenwastheinvented?B:Itwasinventedin_.Languagepointsv1.disc

12、over是是“发现发现”的意思，是的意思，是指发现原来就有而一直没被发现，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、如发现电、煤、石油等矿藏及新星、星系或科学真理等。星系或科学真理等。vColumbusdiscoveredAmericain1492.v1492年哥伦布发现了新大陆。年哥伦布发现了新大陆。vRecentlytheyhavediscoveredacomet.v最近他们发现了一颗彗星。最近他们发现了一颗彗星。v2.find的意思是的意思是“寻找寻找”，强调找的结，强调找的结果，并不指发现。果，并不指发现。vIvetriedtofindanothercopybutc

13、ouldntfindone.我试图再找一本，我试图再找一本，但没能弄到。但没能弄到。v3.create指有目的地把原材料制成新产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品，也指创造出原来不存在的或与众不同的事物。同的事物。vMancreateshimself.人类创造了自己。人类创造了自己。vAnovelistcreatescharactersandaplot.小说家塑造人物并设计情节。小说家塑造人物并设计情节。Exercisev用用invent,discover，find或或create的的形式填空，完成句子。形式填空，完成句子。v1.When_thestreamengi

14、ne（蒸汽机）（蒸汽机）_?v2.Icant_mybike,Imlookingforit.v3.Scientistsarenowtryingtov_ifthisispossible.findfindwaswasinventedinventeddiscoverdiscoverv4.Doyouknowwho_theplane？v5.He_quiteanumberofwonderfulcharactersinhisplay.inventedinventedcreatedcreated用所给单词的正确形式填空：用所给单词的正确形式填空：1.Whenthetelephone(invent)?2.Thec

15、omputercanusdomathproblems(help).inventedinventedwaswashelphelp1.Inthoseday,thewomancouldnt(afford)aTVbecausetheywerereallyexpensive.2.Afriendof(I)cametoseemelastweek.3.Ithinkyouneed(take)ahistoryclass.affordaffordmineminetotaketotake单项选择单项选择v（）1.Thekindofcupisused_drinking.vA.toB.asC.byD.forv（）2.Mymotherandmysisterkeptontalking,butmyfather_silentallthetime.vA.gotB.keptvC.turnedD.lookedD DB Bv（）3.Ithinktheshortstory_byLuXun.vA.iswritingB.iswrittenvC.writtenD.waswrittenv（）4.-Who_theelectriclightlamp_?Edison.vA.was;inventedB.is;inventedvC.was;inventedbyD.did;inventedbyD DC C