人教版高中英语必修二第三单元

Unit3ComputerskeyboardmousemonitorscreenspeakerhostcomputerWriteoutallthewordsyouknowaboutcomputers.computerclickupdateInternetkeyboard下载网络软件键盘主板点击查询历史电脑otherusefulwordsandexpressionsaboutcomputerNetwork网络Website站点Program程序Virus病毒Hacker黑客Download下载Software软件Hardware硬件Upload上传Homepage主页Password密码Desktop桌面Username用户名Click点击LookatthefollowingpicturesandsaytheirEnglishnames.I.WarmingupAnabacusAcalculatorWarminguphugecomputerPCWarminguplaptopPDArobotWhat’snext?Discusswithyourpartnerthefollowingquestions.•Whatdothesepictureshaveincommon?•Whatdotheytellyouaboutthedevelopmentofcomputers?•Whatdoyouthinkwillbethenextdevelopment?Warmingup(Whatdotheyhaveincommon?)•Ithinkthat…•Inmyopinion…•Ibelievethat…•What’syourreason?•Whydoyouthinkso?1.Theycanbeusedforcalculating.2.Theycandealwithmathsproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.DiscussionWorkinpairs.Trytoputtheseinventionsinanorderaccordingtothetimewhentheyappeared.Thenreadthepassagequicklyandchecktoseeifyouwereright.()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachineII.Pre-reading251643Thedevelopmentofcomputers:1.Calculatingmachine2.Analyticalmachine3.Universalmachine4Artificialintelligence5.Computer6.Internetcalculateuniversalsimplifysumoperatorvt.计算adj.普遍的；宇宙的vt.简化n.总数；算术题；金额n.（电脑）操作员；接线员Wordspreviewlogicallogicallytechnologytechnologicalrevolutionadj.合逻辑的；合情理的adv.逻辑上；合逻辑地；有条理地n.工艺；科技；技术adj.科技的n.革命Wordspreviewartificialintelligenceintelligentsolverealitypersonaladj.人造的；假的n.智力；聪明；智能adj.智能的；聪明的vt.解决；解答n.真实；事实；现实adj.私人的；个人的；亲自的Wordspreviewpersonallytubetotaltotallynetworkadv.就个人而言；亲自n.管；管子；电子管adj.总的；整个的n.总数；合计adv.完全地；整个地n.网络；网状物Wordspreviewwebapplicationfinancemobilerocketn.网n.应用；用途；申请n.金融；财经n.可移动的；机动的n.火箭Wordspreviewexploreanyhow(anyway)happinesshumanracevt.&vi.探索；探测；探究adv.无论如何；即使如此；至少n.幸福；快乐人类Wordspreview根据构词法猜测词义ThemeaningofthewordsingroupAcanallbeguessedfromtheirformation.Eachpairofwordshasthesameroot（词根）.technologytechnologicalsimplesimplifypersonpersonalrealrealityhappyhappinessWhile-reading1.Fastreading(Readthepassagequicklyandcheckyourprediction.Whatisthemainideaofthepassage?)Thispassageisabout_________________________.III.While-readingthedevelopmentofcomputers根据上下文猜测词义ThemeaningofthewordsingroupBcanallbeguessedfromcontext.Example:revolution:Fromtheprevioussentenceweknowthataftertheworkoftheoperator,“‘I’could‘think’logicallyandproduceananswerquickerthananyperson”,whichindicatesagreatimprovement,so“revolution”heremaymean“acompletechange”.While-readingUsefulphrasescalculatingmachineAnalyticalmachinecardwithholestechnologicalrevolutionuniversalmachineartificialintelligencegobybyinternethumanrace计算器分析机穿孔卡技术革命万能机,通用机器人工智能走过，过去通过网络人类2.Readthepassageagain.Findthetopicsentenceofeachparagraphandthesupportingdetails.Paragraph1:OvertimeIhavebeenchangedquitealot.1.calculatingmachine2.analyticalmachine3.universalmachine4.laptopWhile-readingParagraph2:Thesechangesonlybecamepossibleasmymemoryimproved.1.tubes2.transistors3.chips4.network5.WorldWideWebWhile-readingParagraph3:Sincethe1970smanynewapplicationshavebeenfoundforme.1.communications2.finance3.trade4.robots5.mobilephones6.medicaloperations7.spacerockets8.providingalifeofhighqualityWhile-readingSummary•Atopicsentencesetsoutthemainideaofaparagraph.•Atopicsentenceisusuallythefirstorlastsentenceofaparagraph.While-readingDevelopmentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalyticaluniversalmathematicalproblemsDevelopmentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________NarrowWideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTradeTaskListeningIbeganasa_______machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta______machine.Astheyearshave______,Ihavebeenmade______.Thereweretimeswhenmysize______changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications______________forme.calculatingAnalyticaluniversalgonebysmallertotallythatconnectedhavebeenfoundsharemyknowledgesoListentothetapeandfillintheblanksWhatcanyouusecomputerstodo?ComputerandInternettypemyhomeworkdrawpicturesplaygamescommunicatewithmyfriends.gatherinformationformylessonslistentomusicwatchmovies……HowdoyouusecomputersandtheInternet?1.Helptodohomework2.Playcomputergames3.Sende-mails4.Listentomusic5.Seemovies6.Chat(聊天)7.Searchforinformation8.Doshopping9.LearncomputerskillsYesNoIoftenuseacomputerto…,Isometimesuseitto…,andIneveruseitto…DiscussionSomethingtothinkabout:Withthedevelopmentofcomputertechnology,theinternethadbecomemoreandmorepopularamongstudents.However,justasasayinggoes,acoinhastwosides.Theinternetbringsbothadvantagesanddisadvantagestostudents.Workwithyourpartnerstolistsomeadvantagesanddisadvantagesoft