2021高中英語 Unit 3 Computers Period 2課件 新人教必修2

Unit3Computers2文本研讀課（同課異構(gòu)）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______________________calculatinganalyticaluniversalmathematicalproblemsDevelopmentNetworktimes_________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.Whatis?Worldwideweb.6.科學(xué)技術(shù)術(shù)。Scienceandtechnology.7.人工智能能。Artificialintelligence.8.筆記本電電腦。Notebookcomputer.9.Whowasthefirstpersontodevisethefirstcomputer?CharlesBabbageinventedanAnalyticalmachinein1822.10.Whowasthecomputers’realfather?AlanTuring.Homework模仿本節(jié)節(jié)閱讀材材料，按按照時間間的發(fā)展展順序，，用第一一人稱寫寫