高一英语（上）必修二Unit 3computer.ppt

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1、Unit3ComputersIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?AnabacusguessinggameAhugecomputerIambuilttosolvesomemathematicalproblems.ButIamtoobig.DoyouknowwhoIam?Iamverysmall.Icanbeusedforcalculating.InChina,alo

2、tofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?AcalculatorAPCpersonalcomputerIamthecommoncomputerwhichcansolveallkindsofproblemsandisusedwidelynow.DoyouknowwhoIam?Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.Howeve

3、r,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.AnotebookcomputerDoyouknowwhoIam?WhoamI?1.Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunction(功能)ofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.2)Whatcanyouinfer

4、(推断)fromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.1.Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunc

5、tion(功能)ofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.Fastreading:2)Whatcanyouinfer(推断)fromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeu

6、sedtodealwithinformation.2.Listentothetape.TrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.Sincethe1970s,thecomputerwasusedbyp

7、eoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTFCharlesBabbageitsbirthThememoryofcomputershasnorelationshipwiththeirsize.Q1:HowdidthecomputerworkasanAnalyticalMachine?Q2:Inwhichwaydidco