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大小:4.03 MB
页数:21页
时间:2021-04-20
《新人教版-必修2--unit-3-M2U3-阅读课件-Who-am-I.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、Unit3ComputersReading:WhoamI?北京信息工程学院附属中学WordsandPhrasessolvefrom…on…realityasaresulttotalso…thatexploreanyhowgoalhumanracesignaltypeinawayarisewiththehelpofelectronicdealwithwatchoverv.解决;解答从….时起n.真实;事实;现实结果adj.总的;整个的n.总数如此….以致于v.探索;探测;探究adv.无论如何,即便如此n.目标人类v.发出信号n.信号n.类型v.打字在某种程
2、度上(arose,arisen)出现,发生在…帮助下adj.电子的处理;安排;对付看守;监视Guess!Atoy?Ahandbag?ComputersIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstuden
3、tsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?Ahugecompute
4、rAPCthehistoryofthecomputerPalmtopWhoamI?Skimming:Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.
5、”1642TheAnalyticalMachinewasmadebyCharlesBabbage.19361940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowTimelineThecomputerbeganasacalculatingmachine.1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork.Computershadgrownaslargeasaroom.1960sComputerswereusedi
6、nofficesandhomes.Computersconnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?TrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehum
7、anracesinceitwasbroughtintopeople’shomes.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF1.Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomput
8、er.C.Thecomputerbecomespopulararoundthew
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