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ID:57040723
大小:3.51 MB
页数:24页
时间:2020-07-27
《高中英语必修2・Unit3・Computers・精品课件(人.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、Unit3ComputersGuess!Atoy?Ahandbag?ComputersIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalp
2、roblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?AhugecomputerAPCthehistoryofthecomputerPal
3、mtopWhoamI?Skimming:Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”1642TheAnalyticalMachinewasm
4、adebyCharlesBabbage.19361940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowTimelineThecomputerbeganasacalculatingmachine.1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork.Computershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersco
5、nnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?TrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtinto
6、people’shomes.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF1.Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespop
7、ulararoundtheworld.D.Thehistoryofthecomputer.Comprehending:2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.Q1:Ho
8、wdidthecomputerworkasanAnalyticalMachine?Thecom
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