浙江省高中英語 Unit3 Warming up 新人教必修2 新人教必修2

ComputersUnit3整理pptThedevelopmentofcomputers整理pptObjectiveTestyourknowledgeofthedevelopmentofcomputers.整理ppt我們在此處增加本課時重點單詞和短語表達部分,旨在幫助學(xué)生在上課前對早讀學(xué)習(xí)的單詞及短語進行復(fù)習(xí)回顧，從而加深記憶。★

用一分鐘時間對單詞進行復(fù)習(xí)，使學(xué)生在新課學(xué)習(xí)中沒有單詞障礙?！锿ㄟ^朗讀，使學(xué)生熟練掌握單詞的正確發(fā)音。★

所呈現(xiàn)單詞均出自課本單詞表中的詞匯。整理pptWordsreviewvt.計算adj.普遍的；通用的；宇宙的calculateuniversal整理pptAtoy?Ahandbag?Computers整理pptAcomputerisamachinewhichkeepsknowledgeinitsmemoryanddoesworkonthatknowledge.Thisknowledgeiskeptinsymbols;itiscalleddata.Acomputerusuallyhasamonitortoshowresults.However,somecomputerscanspeak.Thesecomputerscanbeusedforvoicemail.Whatisacomputer?整理pptIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(謎語)整理pptIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.DoyouknowwhoIam?laptop整理pptPDAPersonalDigitalAssistantIamsosmallinsizethatIcanfitinyourhand.Iusuallyhaveasmallscreenusuallybiggerthanadigitalphone,howeversmallerthanthesmallestlaptop,I’magreatwaytostoretelephonenumbers,accesstheInternet,makecalculations,andsoon.DoyouknowwhoIam?整理pptIamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculator整理pptIamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerDoyouknowwhoIam?整理pptrobotI’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.DoyouknowwhoIam?整理pptPCPersonalComputerI’masmall,relativelyinexpensivecomputerdesignedforanindividualuser.I’mbasedonthemicroprocessortechnology.Athome,peopleusemetosurftheInternetandplaygames.DoyouknowwhoIam?整理ppt1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.Inpairsdiscusswhattheyhaveincommon.Discussion整理pptCanyougiveustheEnglishnamesofacomputercomponents(組件)?Tips:1.Wecanuseacomputerto…2.Itismadeupofsomeparts,suchas…整理pptkeyboard鍵盤mouse鼠標(biāo)monitor顯示器screen屏幕speaker音響host主機componentsofacomputer整理pptmainboardCPU(centralprocessingunit)整理pptfloppydiskDVDROMUSBflash

disk整理pptprinterscannermodem整理pptscreenkeyboardmousemonitorDVD-ROMharddisk1.thepartofthecomputerthatlookslikeatelevision2.thepartofthemonitorthatyoulookat3.somethingyouusetoclickonthings(files,etc.)4.thepartofthecomputerthatyoutypeon5.thepartofacomputerthatstoresinformation6.thepartofcomputerthatwecanputaCDinMatch整理pptPDAabacuscalculatorhugecomputerPClaptopWhat’snext?Canyoutellthedevelopmentofcomputers?robot整理ppt高速超導(dǎo)計算機激光計算機分子計算機量子計算機DNA計算機神經(jīng)元計算機生物計算機未來高性能計算機Whatdoyouthinkwillbethenextdevelopment?整理pptDoyouknowinwhatwayscomputersareusedtoday?Workoutalistandcompareitwithyourpartner.整理pptsearchfor…seemovies整理pptlistentomusicreadbooksandmagazines整理pptsendemailstofriendsdownloadmusicandfilms整理pptbuythingsonlineplaygamesonthecomputer整理pptdrawpictureslookatphotographsonthecomputer整理pptuseacomputerforschoolworktakepartinchatgroups整理pptBesidescomputer,whatelsecanwegetinformationfrom?整理pptHavethecomputerandInternetbecomepartofyourlife?Discussion整理pptHomework1.Writeapassagetotalkaboutthefunctionsofacomputerorarobotinabout80words.2.PreviewtheReading:

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