高一英语必修2Unit3Computers课件

Unit3ComputersWhoAmI?,Guessinggame,Withthedevelopmentofscienceandtechnology,manynewthingsappearinhumanbeingslife.,Letsguesswhattheyare:,1.Withmeyoucanwatchdifferentprogrammesjustathome.Imamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.,TVset,WhoAmI,2.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicense(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.,car,3.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?,washingmachine,4.Amachinethatyouusetotalktootherpeopleeveninafar-awayplace.Weareconnectedbywireorradio.Noweachofusoftenhasanumber.WhoamI?,telephone,5.Itisamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,gatherinformation,Computer,itisakindofcomputerwhichcanbetakenconvenientlylikeanotebook.,Alaptop,WhatEnglishwordsdoyouknowaboutcomputers?,WhatisitinEnglish?,mouse鼠标,WhatisitinEnglish?,CPU(centralprocessingUnit)中央处理器,WhatisitinEnglish?,Mainboard(主板),WhatisitinEnglish?,Display/Monitor,computer,I,nternet,S,earch,K,eyboard,C,lick,E-,mail,B,log,BG,illates,E-,pal,Componentsofacomputer,Scanner,Printer,Monitor,FloppyDisk,Mouse,Speaker,Timeline,Thecomputerbeganasacalculatingmachine,Thecomputergrewrapidlybothinsizeandinbrainpower.,Thecomputerhadgrownaslargeasaroom.,1960s,Computerswereusedinofficesandhomes.,Computersconnectpeopleallovertheworldtogether.,1642:_1822:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:_1940s:_:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_Now:_,Fillintheblanks:Ibeganasa_machinein1642inFrance.In1822Iwasbuiltasan_machine.Thenin1936AlanTuringwroteabookandbuilta_machine.Astheyearshave_,Ihavebeenmade_.Thereweretimeswhenmysize_changed.Andmymemorybecame_large_Icouldntbelieveit.Inthe1960stheygavemeafamily_byanetwork.Iwasableto_withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications_forme.,calculating,analytical,universal,goneby,smaller,totally,that,connected,havebeenfound,sharemyknowledge,so,1._2._3._4._5._6._7._8._9._10._,completechangeinwaysofthinking,working,etc.connectedcomputersystemtomakethingseasiertofindtheanswerusingnumberscanbemovedeasilyfromplacetoplacetoworkouttheanswertoaproblemtotravelaroundanareatofindoutaboutitcompletelyanywayactivityofmanagingmoney,finance,anyhow,totally,explore,solve,mobile,calculate,simplify,revolution,network,Findthewordorexpressionsfroeachofthefollowingmeaningsfromthetext.,Discoveringusefulwordsandexpressions,2Completethepassagewiththewordsbelow,Mybrotherwasveryinterestedincomputersandenjoyedwritingprogramsofhisown.HeusedtodownloadinformationfromtheInternetandmadegooduseofit.Helikedto_theWorldWide_andusedtheInternettocommunicatewithcomputerprogrammersallovertheworld.WhenhewenttouniversityhestudiedIT(information_)anddevelopedaspecialinterestin_intelligence.Afterdevelopingspecial_ofthecomputer,hehopestodesignan_robotwhichcanthink_andlooklikeahumanbeing,butin_hehasalongwaytogo.,explore,Web,technology,artificial,applications,intelligent,logically,reality,Changesofthemachine,Calculating