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Unit3ComputersGuess!Atoy?Ahandbag?Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputer/laptopDoyouknowwhoIam?LookatthefollowingpicturesandtelltheirEnglishnames.abacuscalculatorhugecomputerPCpersonalcomputerlaptopPDAPersonalDigitalAssistantrobotCanyoutellthedevelopmentofcomputers?abacuscalculatorhugecomputerPClaptopPDArobotReadingWhoamI?Thisisashort________ofthe______________ofcomputers.Themainideaofthepassage:historydevelopmentPredicatingWhoamI?Listentothepassageandfindoutthedevelopmentofcomputersinthefollowingyears.Listening16421822TheanalyticalmachinewasmadebyCharlesBabbage.19361940s1960sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNowTimeline:Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Thecomputerhadgrownaslargeasaroom.Computerswereusedinofficesandhomes.Computerisadevotedfriendandhelperofthehumanrace.ParaI:ParaII:ParaIII:WhoamI?OvertimeIhavebeenchangedquitealot.Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundoutforme.Skimthepassageandfindoutthetopicsentenceineachparagraph.Readpara1andfillinthechart.(2mins)TimeMachineApplicationsIn1642A__________machine________difficultsumsAboutin_____AnanalyticalmachineThink_________In1936A________machineSolveanydifficultproblemBythe1940sAlargermachine______worriedthedesigners____________Personalcomputer/Laptop______________________________calculatingSimplify1822logicallyuniversalRealitySincethe1970sUsedinofficesandhomes1.Myshapedidn’tchangeeventhoughmymemoryimproved.2.TheolderIam,thelargerIhavebecome.3.OvertimeIhavelargememorysothatIwillnotforgetanythingIhavebeentold.4.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.FFTTTheinformationwasstoredintubes,thenontransistorsandlateronthechips.AsIhavegrownolderIhavealsogrownsmaller.Readpara2andthentellthestatementtrueorfalse.(1min)12Whatrolesdocomputersplayinthelifeofhumanbeings?Whatarethenewapplicationsofthecomputer?ReadPara3andthenanswerthefollowingquestions.(1min)Whatarethenewapplicationsofthecomputer?CommunicationfinancemobilephonesTrademedicaloperationspacerocketsrobotsWhatrolesdocomputersplayinthelifeofhumanbeings?Theyprovidehumanswithalifeofhighquality.Theyaredevotedfriendsandhelpersofthehumanrace.Name:computerBorn:(time)_______(place)__________Myrealfather:_______________Mysize:1._______________(inthepast)2.____________________(modern)Myhistory:1.1642___________machine2.1822__________machine3.1936__________machine4.1940s______________5.1970s_______and______Mymemory:________________________Myapplications:_______________;________;_______________;________;_______________;______________;_______________...1642FranceAlanTuringhugesmallerandsmalleranalyticalcalculatinguniversallaptopPCtubestransistorschipscommunicationfinancerobotmobilephonespacerocketmedicaloperationtradehugecomputerSummaryIbeganasa__________________inFrancein1642.In1822Iwasbuiltasan_________________.Thenin1936AlanTuringwroteabookandbuilta________________.Astheyearshavegoneby,Ihavebeenmade_______and________butIbecame_________and_________.Intheearly______theygavemeafamilyconnectedbya________.Nowpeoplecallitthe________.Ihavebeenusedin______and______sincethe1970s.SoIbecamePC.Sincemy_____Ihavetrulybeenbuilttoservethe_________.calculatingmachineanalyticalmachinemachineuniversalsmallersmallerclevererquickerFillinthefollowingblanks.1960snetworkInternetofficeshomesbirthhumanraceDiscussionDoyouknowinwhatwayscomputersareusedtoday?Discussitwithyourdeskmate.(2min)searchforinformationwatchmovieslistentomusicreadbooksandmagazinesbuythingsonlineplaygamesonthecomputerHowdoweusecomputersindailylife?ComputersBECDAcommunicationentertainmentinformationworkandjobcommerce/financeonlineWecanusethecompuersto…1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.goshoppingonline6.useQQtomakefriends7.communicatewithothers8.usetheInternettosearchforinformation9.surfthewebforfun10.readnewsbothathomeandabroad,readbooksandmagazinesThereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolorfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.Writeasmallpassageabouttheadvantagesofthecomputers.