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Guess!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?AhugecomputerAPCPalmtop(掌上电脑)calculatorabacuslaptopworkforusinMars(火星)What’snext?carrythingsworkinwars(战斗)仿真机器人entertainment娱乐Whatdoyouthinkwillbethenextdevelopment?WhoamI?Skimming:Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”Readthepassageandchoosethebestanswers.1.Whatcanwelearnfromthetext?AComputerhasashorthistory.BNooneknowscomputerwhenthefirstcomputerwasmade.CComputersarenotwidelyusedeventoday.DComputersarewidelyused.2.Whowasthecomputer’srealfather?AAlanTurningBNotmentionedinthetext.CBillGatesDCharlesBabbage3.Thecomputeralmostchangedcompletely_______.Ain1642Bin1882Cinthe1960sDinthe1970sDAC4.Whenwerethecomputersconnectedfirstly?AInthe1970sBIntheearly1960sCIn1936DIn18225.Whichofthefollowingstatementsisnotright?AComputerhasalonghistory.BComputerhaschangedgreatlysinceitwasfirstmade.CComputersarewidelyusednow.DComputerwasbroughtintopeople’shomeinthe1960s.TrueorFalse1.AlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.2.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.3.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.4.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTFTimelineThecomputerbeganasacalculatingmachineThecomputergrewrapidlybothinsizeandinbrainpower.Thecomputerhadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.1642:_______________________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:______________________________________________________________________________________1940s:______________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_________________________________________Now:____________________________________________________________________________________ScanningIn1642Thecomputerbeganasa(n)1.______________machineinFrance.About200yearslaterThecomputerwasbuiltasa(n)2.__________machineThecomputerwasprogrammedbyanoperatorusing3._______________.In1936Abookabouthowtomakeacomputera(n)4.“________________”waswrittenbyAlanTuring.Fromthenon,thecomputergrewrapidly.calculatinganalyticalcardswithholesuniversalmachineFromthe1940stothe1970sThecomputerwasmadesmaller,andits5.______________becamebetter.ThecomputercouldmemorizeallthethingsDuringthattime,thefirstPCandthefirst6.____________weremade.In7___________Computerwereconnectedbya8.____________.Throughthenetwork,peoplecould9._____________knowledgeandinformation.Sincethe1970sComputershavebeenusedinmany10._______________.memorylaptoptheearly1960ssharenetworkwaysWhataretheadvantagesanddisadvantagesofthecomputers?Inmyopinion,Icanusethecomputerto….DiscussionWecanusethecomputerto…….listentomusicWatchmoviessearchfor…communicatewith…doshoppingAdvantagesWecanusethecompuersto…1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.goshoppingonline6.useQQtomakefriends7.communicatewithothers8.usetheInternettosearchforinformation9.surfthewebforfun10.readnewsbothathomeandabroad,readbooksandmagazinesDisadvantages1.Somestudentsmaygettooaddicted(沉溺于)toit.2.Somestudentswastetoomuchtimeinplayingcomputergames.3.Somestudentsspendtoomuchtimeinchattingwithothersandmaybecheated(欺骗)bysomeoneonline.4.Asaresult,theyhavelittletimetostudy5.Itisbadforoureyesandhealthtospendlongtimeinfrontofcomputers.Summaryaboutthetext.Thecomputer__________acalculatingmachinein1642,thenin1822,itwasbuiltasan___________by________________.Attheyearof1936,AlanTuring____________todescribehowcomputers_____________towork,andbuilda“universalmachine”tosolve_________________.Withthedevelopmentof__________________beganasAnalyticalMachineCharlesBabbagewroteabookcouldbemademathematicalprobleminformationtechnologyinthe1960s,computershadnew__________andbecame_______________,thenwereconnectedtoeachotherby_________.Astheyearshad__________,computerswere___________,people’shomes.Nowcomputershavebecomethemostimportant_________to_____________allovertheworldtogether.transistorssmallerandsmalleranetworkgonebybroughtintotoolsconnectpeople1642began…calculating…France1822built…ananalyticalmachine…CharlesBabbage1936AlanTuring…wrote…made…1940sAslargeasgave…connectedby…share…with…1970sbecomeveryimportantin…nowconnect…allovertheworld…1960sConsolidation:RetellingHome
本文标题:新人教版必修二unit3-Computers-Reading-I
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