新人教版-必修2-unit-3-M2U3-閱讀課件-Who-am-I

Unit3Computers

Reading:WhoamI?北京信息工程學(xué)院附屬中學(xué)WordsandPhrasessolvefrom…on…realityasaresulttotalso…thatexploreanyhowgoalhumanracesignaltypeinawayarisewiththehelpofelectronicdealwithwatchoverv.解決；解答

從….時(shí)起n.真實(shí)；事實(shí)；現(xiàn)實(shí)

結(jié)果adj.總的；整個(gè)的n.總數(shù)

如此….以致于v.探索；探測；探究adv.無論如何，即便如此n.目標(biāo)

人類v.發(fā)出信號n.信號n.類型v.打字

在某種程度上(arose,arisen)出現(xiàn)，發(fā)生

在…幫助下adj.電子的

處理；安排；對付

看守；監(jiān)視Guess!Atoy?Ahandbag?ComputersIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputerDoyouknowwhoIam?AhugecomputerAPCthehistoryofthecomputerPalmtop

WhoamI?Skimming:

Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”1642TheAnalyticalMachinewasmadebyCharlesBabbage.

19361940s

Thefirstfamilyofcomputerswasconnectedtoeachother.1970s

nowTimelineThecomputerbeganasacalculatingmachine．1822AlanTuringwroteabooktodescribehowcomputerscouldbemadetowork．Computershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes．Computersconnectpeopleallovertheworldtogether.Scanning:Inwhichorderisthetextorganized?TrueorFalseAlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.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…CharlesBabbage

1936AlanTuring…wrote…built…1940sAslargeasconnected…share…talk…1970sBecomeveryimportantin…

nowdealwith…communicate…1960sConsolidation:Rete