高中英语人教版必修二Unit3Readingppt课件

Unit3 Computers CanyougiveustheEnglishnamesofacomputercomponents 组件 Tips 1 Wecanuseacomputerto 2 Itismadeupofsomeparts suchas keyboard键盘 mouse鼠标 monitor显示器 screen屏幕 speaker音响 host主机 componentsofacomputer mainboard 主板 CPU centralprocessingunit 中央处理器 RAM 随机存储器 RandomAccessMemory WhatisitinEnglish Powersupply 电源 WhatisitinEnglish displaycard显卡 WhatisitinEnglish screenkeyboardmousemonitorDVD ROMharddisk 1 thepartofthecomputerthatlookslikeatelevision2 thepartofthemonitorthatyoulookat3 somethingyouusetoclickonthings files etc 4 thepartofthecomputerthatyoutypeon5 thepartofacomputerthatstoresinformation6 thepartofcomputerthatwecanputaCDin Match ComputerandInternet typemyhomework drawpictures playgames communicatewithmyfriends gatherinformationformylessons listentomusic watchmovies Doyouthinkthecomputerreallyhelpstoyourstudy Why Ithinkthat Inmyopinion Ibelievethat Iagreebecause Idisagreebecause Givinganopinion Makegooduseofitbutnevergettrappedbyit ConclusionThereisnodoubtthatcomputerhastwosides too Ifwemakegooduseofit itwillmakeourlivesmorecolorfulandconvenient Butdon tloseyourselfinplayingcomputers Justremember Keepfit studywellandworkhard WHOAMI Reading Iamveryoldnow IwasborninChina Manypeopleusedmeforcalculating 计算 inthepast butnowIamabitlonelybecausetheydon tlikemenow DoyouknowwhoIam abacus Riddles 谜语 Iamverysmall Icanbeusedforcalculating InChina alotofstudentsusemewhensolvingmathematicalproblems DoyouknowwhoIam calculator Iamverybig Scientistsusemetosolvesomemathematicalproblems hugecomputer DoyouknowwhoIam PCPersonalComputer I masmall relativelyinexpensivecomputerdesignedforanindividualuser I mbasedonthemicroprocessortechnology Athome peopleusemetosurftheInternetandplaygames DoyouknowwhoIam Icanbeusedforcalculating Besides IcanalsobeusedforwatchingDVD sendinge mailandcommunicatingthroughtheInternet However IamnotaPC becauseI msmallenoughforyoutotakemewithyou DoyouknowwhoIam laptop robot I mamachinethatworksautomatically Icandoawidevarietyoftasks especiallysuitablefordoingjobstooboring difficult ordangerousforhumanbeings DoyouknowwhoIam PDA abacus calculator hugecomputer PC laptop What snext Canyoutellthedevelopmentofcomputers robot Skimmingtogetgeneralideas 1 Whoisthespeakerinthisstory 2 What sthemainideaofthispassage A Thedevelopmentofcomputers B Thedevelopmentanduseofcomputers C Amachinewhichissimple minded D Computersmayreplacehumanbeings Acomputer Skimming ReadingComprehensionI Lookattheseinventions Canyouputtheminanorderaccordingtothetimewhentheyappeared analyticalmachine laptop calculatingmachine robot PC universalmachine 1 2 3 4 5 6 Skimming ReadingComprehensionII Carefulreading Thesechangesonlybecamepossibleasmymemoryimproved Sincethe1970smanynewapplicationshavebeenfoundforme OvertimeIhavebeenchangedquitealot Para1 Para2 Para3 Matchthemainideasandtheparagraphs Scanningtogetdetailinformation 1 MyrealfatherwasCharlesBabbage whowroteabookandbuiltmein1936 2 AfterIgotmynewtransistorsinthe1960s Ibecamesmallerbutclevererandquicker 3 Iwasbroughtintopeople shomesinthe1970s 4 SincemybirthIhavebeenbuilttotaketheplaceofthehumanrace TrueorFalse Scanning ReadingComprehensionIII 5 IbeganasacalculatingmachineinJapanin1642 6 In1936 Igrewrapidlybothinsizeandinbrainpower 7 Astimewentby Iwasmadebigger 8 Sincethe1970smanynewapplicationshavebeenfoundforme Scanning 1 Whowasthefirstpersontomaketheearliestcomputer A AlanTuring B CharlesBabbage C CharlesTuring D AlanBabbage 2 Whenwasthe universalmachine built A In1822 B In1642 C In1936 D In1970 Scanning ReadingComprehensionIV 3 Whenwasthecomputerthebiggest A In1642 B In1936 C Inthe1940s D Inthe1970s 4 Howoldisthecomputer A About170yearsold B About270yearsold C About370yearsoldD About470yearsold Scanning 5 Whichofthefollowingisintherightorderoftime Thecomputerwasconnectedwithothercomputers b AlanTuringwroteabookaboutthecomputer c ThecomputerhasbeensenttoexploretheMoonandMars d Thecomputerbegantosimplifydifficultsums A a b c d B b c a d C d a c b D d b a c Scanning Thecomputerbeganasacalculatingmachine 1936 Thecomputergrewrapidlybothinsizeandinbrainpower Finishthetimelinebelow Scanning ReadingComprehensionV 1960s Computerswereusedinofficesandhomes Computersconnectpeopleallovertheworldtogether Thecomputerhadgrownaslargeasaroom Thehistoryofcomputers thesecondgeneration 1956 1963 thethirdgeneration 1964 1971 thefourthgeneration 1971 thefirstgeneration 1945 1956 Completethechartbelow Scanning ReadingComprehensionVI Brainstormalistofthingsthatyou yourschoolandyourfamilyusecomputersfor Thinkaboutwhatyouwouldhavetodoifyoucouldnotusecomputersanymore Discussion palmtop smallerdesktop convenientlaptop Whataretoday ssmallercomputerslike virtualkeyboards虚拟键盘 nose topkeyboard vest Whatcanwedobycomputerinthefuture 2 Whatcanthefuturecomputerbelike Youaregivenachancetodesignacomputerforyourself Drawapictureaboutitanddescribe 描述 whatfunctionsithas Youwillbeaskedtointroduce 介绍 yourcomputer appearance functions Groupwork Debate Whatareadvantagesanddisadvantagesofcomputers 1 Eachsidehasfourstudents debaters 2 Thefirststudentstatesyourviewpoint 3 Thenmoveontothefreetalkpart 4 Thelaststudentconcludesyouropinionwithsomesentences Rulesfordebating Quiz Retellthetextbyfillingthefollowingblanks Ibeganasa in1642inFrance In1822Iwasbuiltasan Thenin1936AlanTuringwroteabookandbuilta Astheyearshavegoneby Ihavebeenmade and butIbecame and QuizI Inthe theygavemeafamilyconnectedbya Nowpeoplecallitthe Ihavebeenusedin and sincethe1970s SoIbecamePC Sincemy Ihavetrulybeenbuilttoservethe Ibeganasa in1642inFrance In1822Iwasbuiltasan Thenin1936AlanTuringwroteabookandbuilta Astheyearshavegoneby Ihavebeenmade and butIbecame and calculatingmachine analyticalmachine machine Answer universal smaller smaller cleverer quicker Inthe theygavemeafamilyconnectedbya Nowpeoplecallitthe Ihavebeenusedin and sincethe1970s SoIbecamePC Sincemy Ihavetrulybeenbuilttoservethe network 1960s Internet human race offices homes birth Translation QuizII 他不用功 结果考试不及格 2 专家们正在勘查这个岛的各个部分 3 这种新型的电脑是专为老师和学生设计的 Hedidn tworkhard asaresulthefailedhisexam Theexpertsareexploringeverypartoftheisland Thisnewtypeofcomputerhasbeenspeciallydesignedforteachersandstudents 1 Igotcaughtintherainandmysuit 2007北京卷 A hasruinedB hadruinedC hasbeenruinedD hadbeenruined QuizIII 高考链接 2 Ihavegotaheadache Nowonder Youinfrontofthatcomputertoolong 2007江