20192020高中英语 Unit 3 Computers Period 2课件 新人教必修2

Unit3Computers2文本研读课（同课异构）PeriodReadingLookatthesepictures.Discusswhattheyhaveincommon.Predictwhatitisgoingtobeabout.DisscussionWhat’snext?Pre-readingquestionsWhathavecomputerschangedourlife?2.Whatchangeswilltheybringtousinthefuture?Task1Skimming1.Whoisthespeakerinthisstory?

Acomputer.2.Writedownthreesentencesfromthestorytosupportyouridea.

1)IwasbuiltasanAnalyticalmachinebyCharlesBabbage.2)Myrealfather,AlanTuring,…3)Iwasalwayslonelystandingtherebymyself,untilinearly1960stheygavemeafamilyconnectedbyanetwork.Task2Fastreading1.Wherewereyouin1642?InFrance.2.Whathappenedtoyouafternearlytwohundredyears?IwasbuiltasanAnalyticalMachinebyBabbage.3.Whatwereyoucalledin1936?

Auniversalmachine.4.Whathappenedtoyouinthe1970s?Ihavebeenusedinofficesandhomes.16421822TheanalyticalmachinewasmadebyCharlesBabbage.1936Thecomputerbeganasacalculatingmachine．Thecomputergrewrapidlybothinsizeandinbrainpower.Task3Carefulreading1940s

Thefirstfamilyofcomputerswasconnectedtoeachother.1970snowComputershadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.DevelopmentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalytical

universal

mathematicalproblemsDevelopmentNetworktimes_________storedinTubesLargeSmall____________Smallchips________________Narrow

WideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsMemoryTransistorsApplicationsCommunicationTrade1completely2completechange3tomakethingseasier4tofindtheanswerusingnumbers5canbemovedeasilyfromplacetoplace6toworkouttheanswertoaproblemtotallyrevolutionsimplifycalculatemobilesolveTask4Fillintheblanks.7totravelaroundanareatofindoutaboutit8completely9anyway10activityofmanagingmoneyexploretotallyanyhowfinanceThehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)Thefirstgeneration(1945-1956)Task5QUESTION-ANSWERCOMPETITIONWhatisPC?Speakthenameonthewhole.Itmeans:personalcomputer.2.WhatisIT?InformationTechnology.3.WhatisCD-ROM?Compactdiscread-onlymemory.4.WhatisPDA?Personaldigitalassistant.5.WhatisW.W.W?Worldwideweb.6.科学技术。Scienceandtechnology.7.人工智能。Artificialintelligence.8.笔记本电脑。Notebookcomputer.9.Whowasthefirstpersontodevisethefirstcomputer?CharlesBabbageinventedanAnalyticalmachinein1822.10.Whowasthecomputers’realfather?AlanTuring.Homework模仿本节阅读材料，按照时间的发展顺序，用第一人称写一篇介绍事物或人的变化的文章（可以写植物，宠物也可以写自己或朋友）适当运用文章中出现的短语：字数120左右Phrasessuggested:whenxxwasyoung，overtime，atthattime，bythetime，fromthenon等，内容总结Unit3Computers。2文本研读课（同课异构）。Lookatthesepictures.Discusswhattheyhaveincommon.Predictwhatitisgoingtobeabout.。2.Writedownthreesentencesfromthestorytosupportyouridea.。machinebyCharlesBabbage.。Thecomputergrewrapidlybothinsizeandinbrainpower.。Task3Carefulreading。_________store