上学期unit3单元高二英语教案
日期：2010-10-16 10:54
theyarecomputersThenwhatisacomputer? AcomputerisamachinewhichstoresknowledgeinitsmemoryanddoescalculationsonthatknowledgeThisknowledgeisstoredinsymbols;itiscalleddataAcomputerusuallyhasamonitortoshowresultsHowever，Unit?3?ComputerPartOne:TeachingDesign(第一部分：教学设计) Period1:Asamplelessonplanforreading (WHOAMI?)Aims Totalkaboutcomputer Toreadaboutcomputer Procedures IWarmingup Warmingupbytalkingaboutcomputer Lookatthepicturesonpage17Whatarethey?Whatdotheyhaveincommon?Yes，somecomputerscanspeak;thesecomputerscanbeusedforvoicemail 计算机室 AcomputerfrequentlyrequiresabootdeviceThebootdevicecontainsthecomputer’soperatingsystemanddataComputerprogramscanbeinstalledontoacomputerSomepeoplethinkthatcomputersarelessusefuliftheydonothaveaccesstotheInternetTheythinkthisbecausetheInternetallowsthecomputerstosendandreceivedataandemailacrosstheworld 曙光3000巨型计算机 AcomputerisnowalmostalwaysanelectronicdeviceItusuallycontainsmaterialswhicharetoxic;thesematerialswillbecometoxicwastewhendisposedofW，
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