2019-2020年人教版高中英语必修2《Unit3Computer》全单元全英文教学设计附教学资源单词表

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1、12019-2020年人教版高中英语必修2《Unit3puter》全单元全英文教学设计附教学资源单词表PartOne:TeachingDesign(第一部分：教学设计)Period1:Asamplelessonplanforreading(WHOAMI?)Aims2Totalkaboutputer3ToreadaboutputerProcedures4I.WarmingupWarmingupbytalkingaboutputerLookatthepicturesonpage17.Whatarethey?Whatdothey

2、haveinmon?Yes,theyareputers.Thenwhatisaputer?Aputerisamachinewhichstoresknowledgeinitsmemoryanddoescalculationsonthatknowledge.Thisknowledgeisstoredinsymbols;itiscalleddata.Aputerusuallyhasamonitortoshowresults.However,someputerscanspeak;theseputerscanbeusedforvoi

3、cemail.计算机室Aputerfrequentlyrequiresabootdevice.Thebootdevicecontainstheputer’soperatingsystemanddata.puterprogramscanbeinstalledontoaputer.SomepeoplethinkthatputersarelessusefuliftheydonothaveaccesstotheInternet.TheythinkthisbecausetheInternetallowstheputerstosend

4、andreceivedataandemailacrosstheworld.曙光3000巨型计算机Aputerisnowalmostalwaysanelectronicdevice.Itusuallycontainsmaterialswhicharetoxic;thesematerialswillbeetoxicwastewhendisposedof.Whenanewputerispurchasedinsomeplaces,lawsrequirethatthecostofitswastemanagementmustalsob

5、epaidfor.Thisiscalledproductstewardship.Insomecountriesoldputersarerecycled(melteddown)togetgoldandothermetals.Thisisdangerous,becausethisprocedurereleasesthetoxicwasteintothewaterandsoil.putersbeeobsoletequickly.Veryoftentheyaregivenawayandnewonesreplacethemwithi

6、ntwoorthreeyears.Thismakestheproblemworse.puterrecyclingisthusmon.Manyprojectstrytosendworkingputerstodevelopingnationssotheycanbere-usedandwillnotbeewasteasquickly.puterjargon计算机行话puterjargonmeanswordstodowithputersandsurroundingtopics.Knowingwhatthesewordsmeanca

7、nhelpyouknowmoreaboutputers.Somepeopleusethesewordstoimpressotherpeople(Alsoknownasbuzzwords).Examplesofjargon:Bit-Thesmallestdataunit,caneitherbea“0.”ora“1.”.Byte-unitofdata.SeealsoKilobyte,Megabyte,GigabyteandNibbleCPU–CentralProcessingUnit,Anothernameforprocess

8、orData-InformationstoredonaputerDisk-Aplacetostoredata.Email-Electronicmail.GHz-Gigahertz.Usedoftenincorrectlytodescribethespeedofaprocessor.Butwithsome