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ENGLISHBook2U3Computers目錄period1Contents1Period22Period33Period445Period5Period202Learnmoredetailsaboutthedevelopmentthecomputer.Helpthestudentstounderstandthepassagebetter.HelpthestudentstoknowtheusageofthecomputerandtheInternet.教學(xué)目標(biāo)Learnsomeusefulreadingskills教學(xué)過程Step1.Lead-inReviewsomebasicwordsandPhrases.Asksomequestionsaboutcomputerstheyhavelearntinthefirstperiod.Askthestudentstoreadthepassagecarefullyandthentherearesometasksforthemtodo.教學(xué)過程1642

TheAnalyticalMachinewasmadebyCharlesBabbage1936

1960s

Thefirstfamilyofcomputerswasconnectedtoeachother.1970s

now

Step2.Careful-readingTask1-Gothroughthetextquicklytofindsomeinformationandfillintheform.Soinwhichorderisthetextorganized?(timeorder)Task2-TrueorFalse:1.AlanTuringbuiltanAnalyticalMachinetosolveanymathematicalproblems.2.Peoplebegantorealizethatthecomputergotclevererandquickerwithtimepassing.3.Thecomputerbegantoservethehumanracesinceitwasbroughtintopeople’shomes.4.Sincethe1970s,thecomputerwasusedbypeoplearoundtheworldthroughtheInternet.5.Thelargerthecomputeris,themorememoryithas.(FTFTF)教學(xué)過程step3.ComprehendingTask1.Choosethebestanswersaccordingtothetext:1.What’sthemainideaofthetext?A.Thecomputerwantstofind“whoheis”.B.Thefunctionalchangeofthecomputer.C.Thecomputerbecomespopulararoundtheworld.D.Thehistoryofthecomputer. D.Nowthecomputercanonlybeusedtodealwithinformation.教學(xué)過程step3.ComprehendingTask1.Choosethebestanswersaccordingtothetext:2.Whatcanyouinferfromthetext? A.Thecomputerhasartificialintelligence. B.Thecomputerchangesalotovertheyears. C.Thecomputerwasnotconnectedbyanetworkuntilintheearly1960s. D.Nowthecomputercanonlybeusedtodealwithinformation.教學(xué)過程Task2.QuestionsQ1:HowdidthecomputerworkasanAnalyticalMachine?(Thecomputerfollowedinstructionsfromcardswithholes.)Q2:Inwhichwaydidcomputerstalktohumans? (UsingBASIC.)Q3:Whatdoes“others”(2.6)referto? (Othercomputers.)step3.Comprehending

教學(xué)過程Task2.QuestionsQ4:Whydidpeoplethinkthecomputerwassimple-minded? (Becausethecomputerwasmadeasacalculatingmachineandwasusedtosolvemathematicalproblems.)Q5:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?Size:Smaller(showsomepicturesofsmallerandmoderncomputers)Intelligence:clevererSpeed:quicker

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