资料简介
Unit3WarmingupandreadingComputers,Teachingaimsanddemands:Thisunitisconcernedwithteachingstudentsalittlemoreofthehistoryanddevelopmentofcomputersandtheirapplications.HelpstudentstoexpresstheirownopinionsinEnglish.Teachthemhowtomakedecisionsandreasoning.Learntointroducesomethingintimesequence.Teachthemhowtousesomeofthewordsandexpressionsintheunit.LearntouseThePresentPerfectPassiveVoice.,Warmingup,Lookatthepictures.Talkabouteachofthem.Discusswhattheyhaveincommonbyusingthefollowingexpressioninyourdiscussion.Ithinkthat…Inmyopinion…Ibelievethat…Whydoyouthinkso?What’syourreason?,abacushugecomputercalculatorpersonalcomputernotebookcomputer,Pre-reading,Whatdoyouknowaboutcomputers?2.Howhavecomputerschangedourlives?Thinking,AnabacusisanoldcalculatingmachineusedinChinauntilnow.,Ahugecomputerisbuilttosolvesomemathematicalproblems.Butitistoobig.,Acalculatorisanewcalculatingmachinewhichcansolvealargenumberofmathematicalproblems.,APCisapersonalcomputerwhichcansolveallkindsofproblemsandiswidelyusednow.,Anotebookcomputerisakindofusefulcomputerwhichcanbetakenconvenientlylikeanotebook.,Howwassomuchinformationgiveninsuchashortspace?Whatdoyouthinkisthetoneofthewriting?Discussion,Howwassomuchinformationgiveninsuchashortspace?Thewritingisclearanddoesnotwastewords.Therearenodescriptions.Itjustgivesusfacts.Itusesnamesbutitonlytellsusaboutpeople’sworkwithcomputers.Itiswritteninthefirstpersonbutitkeepswiththefacts.Itiswrittenasifthewriterwasacomputerwithnofeelings.Suggestedanswer:,2.Whatdoyouthinkisthetoneofthewriting?Itisnaturalandmakesmewanttofindoutmore.Idonotthinkthewritingistryingtopersuademetobelievesomethingbutitdoesmakemeinterestedinthetopic.,Fastreading,1Whathappenedtoyouin1822?2Wherewereyouin1642?3Whatwereyoucalledin1936?4Whathappenedtoyouinthe1970s?InFrance.IwasbuiltasanAnalyticalMachinebyBabbage.Auniversalmachine.Iwasbroughtintopeople’shomes.,TrueorFalse?In1642Ibeganasacalculatingmachineandcouldsolveanymathematicalproblem.MyrealfatherwasCharlesBabbage,whowroteabookandbuildmein1936.AfterIgotmynewtransistorsinthe1960s,Ibecamesmallerbutclevererandquicker.Iwasbroughtintopeople’shomesinthe1970s.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.FFTTFcalculatingAlanTuringserve,Task1:Lookatthetimelinebelow.Fillintheblankswithinformationfromthereadingtext.1642:Thecomputerbeganasacalculatingmachine.1822:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:Thecomputergrewrapidlybothinsizeandinbrainpower.1940s:Thecomputerhadgrownaslargeasaroom.1970s:Computersconnectpeopleallovertheworldtogether.Now:Computerswereusedinofficesandhomes.Careful-reading1960s:Thefirstfamilyofcomputerswasconnectedtoeachother.,Conclusionofthetext1.What’sthemainideaofthetext?2.Howdidcomputersdevelop?Themainideaofthetextisthehistoryanddevelopmentofcomputers.CalculatingmachineAnalyticalmachineUniversalmachineArtificialintelligenceComputerInternet,Shouldhighschoolstudentssurftheinternet?Ithinkhighschoolstudentsshouldsurftheinternetbecause…(first,secondly,thirdly)Ithinkhighschoolstudentsshouldnotsurftheinternetbecause…(first,secondly,thirdly…)Discussion,ConclusionThereisnodoubtthatcomputerhastwosides,too.Ifwemakegooduseofit,itwillmakeourlivesmorecolourfulandconvenient.Butdon’tloseyourselfinplayingcomputers.Justremember:Keepfit,studywellandworkhard.,Comprehending,Whoisthespeakerinthisstory?2.Writedownthreesentencesfromthestorytosupportyouridea.Acomputer.·Thenin1822IwasbuiltasanAnalyticalmachinebyCharlesBabbage.·MyrealfatherwasAlanTuring,…·However,peoplethoughtIwassimple-mindeduntiltheydiscoveredIhad“artificalintelligence.”,1642:________________________________________:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:__________________________________________________________Thecomputerbeganasacalculatingmachine1822.AlanTuringwroteabooktodescribehowcomputercouldbemade.Timeline,1960s:___________________________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:____________________________________________Now:__________________________________________________Computershadnewtransistorsandbecomesmaller.1960sComputerswerebroughtintopeople’shomes.Computersconnectpeopleallovertheworldtogether.Timeline
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