浙江省高中英语 Unit3 Warming up课件 新人教必修2 新人教必修2.ppt

ComputersThedevelopmentofcomputersObjective我们在此处增加本课时重点单词和短语表达部分旨在帮助学生在上课前对早读学习的单词及短语进行复习回顾从而加深记忆。★用一分钟时间对单词进行复习使学生在新课学习中没有单词障碍。★通过朗读使学生熟练掌握单词的正确发音。★所呈现单词均出自课本单词表中的词汇。Atoy?Acomputerisamachinewhichkeepsknowledgeinitsmemoryanddoesworkonthatknowledge.Thisknowledgeiskeptinsymbols;itiscalleddata.Acomputerusuallyhasamonitortoshowresults.Howeversomecomputerscanspeak.Thesecomputerscanbeusedforvoicemail.Iamveryoldnow.IwasborninChina.ManypeopleusedmeforcalculatinginthepastbutnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?Icanbeusedforcalculating.BesidesIcanalsobeusedforwatchingDVDsendinge-mailandcommunicatingthroughtheInternet.HoweverIamnotaPCbecauseI’msmallenoughforyoutotakemewithyou.DoyouknowwhoIam?PDAPersonalDigitalAssistantIamverysmall.Icanbeusedforcalculating.InChinaalotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?Iamverybig.Scientistsusemetosolvesomemathematicalproblems.robotPCPersonalComputer1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.CanyougiveustheEnglishnamesofacomputercomponents(组件)?Tips:1.Wecanuseacomputerto…2.Itismadeupofsomepartssuchas…keyboard键盘mainboardfloppydiskprinterscreenkeyboardmousemonitorDVD-ROMharddiskPDA高速超导计算机Doyouknowinwhatwayscomputersareusedtoday?Workoutalistandcompareitwithyourpartner.searchfor…listentomusicsendemailstofriendsbuythingsonlinedrawpicturesuseacomputerforschoolworkBesidescomputerwhatelsecanwegetinformationfrom?HavethecomputerandInternetbecomepartofyourlife?HomeworkThankyou!9、静夜四无邻荒居旧业贫。。2023/12/92023/12/9SaturdayDecember9202310、雨中黄叶树灯下白头人。。2023/12/92023/12/92023/12/912/9/202312:49:46AM11、以我独沈久愧君相见频。。2023/12/92023/12