新人教版_必修2__unit_3_M2U3-阅读课件-Who_am_I

Unit3ComputersReading:WhoamI?北京信息工程学院附属中学WordsandPhrasessolvefrom…on…realityasaresulttotalso…thatexploreanyhowgoalhumanracesignaltypeinawayarisewiththehelpofelectronicdealwithwatchoverv.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?Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?AhugecomputerAPCPalmtopWhoamI?Skimming:Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”1642TheAnalyticalMachinewasmadebyCharlesBabbage.19361940sThefirstfamilyofcomputerswasconnectedtoeachother.1970snowTimelineThecomputerbeganasacalculatingmachine．1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork．Computershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes．Computersconnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?TrueorFalse1.AlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.2.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.3.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.4.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.FTFTF1.Choosethebestanswers1)What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer.Comprehending:2)Whatcanyouinferfromthetext?A.Thecomputerhasartificialintelligence.B.Thecomputerchangesalotovertheyears.C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s.D.Nowthecomputercanonlybeusedtodealwithinformation.Q1:HowdidthecomputerworkasanAnalyticalMachine?Thecomputerfollowedinstructionsfromcardswithholes.2.QuestionsQ2:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?•Size:•Intelligence:•Speed:•Function:•People’opinion:smallerquickercleverercalculating----dealingwith…,communicatingwith…clever&useful1Amonitoris2Thescreenis3Akeyboardis4Amouseis5ACD-ROMis6Aharddiskis(a)thepartofacomputerthatstoresinformation.(b)thepartofthecomputerthatyoutypeon.(c)thepartofthecomputerthatlookslikeatelevision(d)somethingyouusetoclickonthings(files,etc.).(e)thepartofthemonitorthatyoulookat.(f)aseparatediskthatcontainslotsofinformation.Matchthewordswiththeirmeanings.1642began…calculating…France1822TheAnalyticalMachine…CharlesBabbage1936AlanTuring…wrote…built…1940sAslargeasconnected…share…talk…1970sBecomeveryimportantin…nowdealwith…communicate…1960sConsolidation:RetellingschoolworkgamesemailsmusicandfilmschatinformationphotosshoppingpalmtopsmallerdesktopconvenientlaptoprobotWhataboutinthefuture?