高中英语必修二Unit3Reading课件.ppt

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Let’splayaguessinggame! 1.Withmeyoucanwatchdifferentprogrammes（节目）justathome.I’mamachinethathasascreen（屏幕）withpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.TVsetWhoAmI 2.Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamalittlelonelybecausetheydon’tlikemenow.abacusWhoAmI 3.Iamamachine,whichyoucanusetodoyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,getinformation…ComputerWhoAmI 4.Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.laptopWhoAmI robot5.I’mamachine.Icandoalotofwork,especiallyhelphumanbeingstodoboring（无聊的）,difficult,ordangerousthings.WhoAmI Enjoyavideoaboutarobotandangranny. WhoamIReading Fastreading Readthepassageloudlyandquicklythenfinishexercise1to3.1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?3.Inwhatpersonisthepassagewritten?Inwhatorderisthepassagewritten? 1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Acomputer. 3.Inwhatpersonisthepassagewritten?Inwhatorderisthepassagewritten?FirstpersonTimeorder Carefulreading ReadPara.1togetherandfinishexercise1to3.1.Howdidcomputersdevelop?2.Whowasthefirstpersontomaketheearliestcomputer?3.Whenwasthecomputerthebiggest? CalculatingmachineAnalyticalmachineUniversalmachineAsbigasaroom1.Howdidcomputersdevelop?(In1642)(In1822)(In1936)(Inthe1970s)(In1940s)Beused in offices andhomes 2.Whowasthefirstpersontomaketheearliestcomputer?A.AlanTuring.B.CharlesBabbage.C.CharlesTuring.D.AlanBabbage.3.Whenwasthecomputerthebiggest?A.In1642.B.In1936.C.Inthe1940s.D.Inthe1970s. 5.WhydidItotallychangemyshape?6.WhenandwhyIwasnotlonelyanymore?ReadPara.2andfinishquestion5to6. 5.WhydidItotallychangemyshape?A.BecauseIcoulddomanythings.B.BecauseIcouldsimplifysums.C.Becausemymemoryimproved.D.BecauseIneverforgotanything. 6.WhenandwhyIwasnotlonelyanymore?Untilintheearly1960s.Becausetheygavemeafamilyconnectedbyanetwork. ReadPara.3andanswerthequestionbelow.Whataretheapplicationsthathavebeenfoundforcomputersince1970s?communicationsfinancetraderobotsmobilephonesmedicaloperationsspacerocketsexploringtheMoonandMars Postreading Name:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1.__________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...Pairwork1642FranceAlanTuringlargesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradelargecomputer Howcomputershavechangedourlives?Discussion: searchfor…seemovies listentomusicreadbooksandmagazines downloadmusicandfilmslookatphotographsonthecomputer buythingsonlineplaygamesonthecomputer AdvantagesDisadvantagesMakeourdailylifemoreconvenient（方便的）andmoreinteresting.1.Somepeopleespeciallysomechildrenareaddictedto（沉溺于……）computergames2.SomepeopleusethecomputerwronglyConclusionComputersaretools（工具）nottoys! Homework1.Findouttheimportantwordsandexpressionsinthepassage.2.Retellthepassage. Thankyou!