b 2 u 3 Computers Warming up and reading

WarmingupIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusIamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorhugecomputerAPC/desktopItisakindofcomputerwhichcanbetakenconvenientlylikeanotebook.Alaptop/AnotebookcomputerPersonalDigitalAssistantRobotHowmuchdoyouknowaboutcomputers?CanyougivetheEnglishnamesofthefollowingpictureofthecomputercomponents(组件).?Pre-readingkeyboardmousemonitor(监视器，监控器)screenspeakerhostcomputerusefulwordsandexpressionsaboutcomputerNetwork网络Website站点Program程序Virus病毒Hacker黑客Software软件Hardware硬件Download下载Upload上传Homepage主页Password密码Desktop桌面Username用户名Click点击2.WhatisW.W.W?Worldwideweb.3.科学技术Scienceandtechnology.4.笔记本电脑Notebookcomputer.1.WhatisIT?InformationTechnology.考考你Lead-inHaveyoueverusedacomputer?Whatarethefunctionsofacomputer?Tips:Wecanuseacomputerto…ReadingWHOAMI?Trytoreadthefollowingphrases:calculatingmachine计算器analyticalmachine分析机universalmachine通用计算器artificialintelligence人工智能technologicalrevolution技术革命mathematicalproblems数学问题Fastreading:Task1:Gooverthestoryquicklytoanswerthetwoquestions.1.WhoamI?A.ATVsetB.AcomputerC.AradioD.Theinternet2.What’sthemainideaofthetext?A.Whatacomputeris.B.Whatacomputerisusedfor.C.Howthecomputerbecomespopular.D.Thehistoryofthecomputer.1.Wherewereyouin1642?2.Whobuiltthefirstanalyticalmachine?3.Whatwereyoucalledin1936?4.Whenwasthecomputerthebiggest?5.Howoldareyou?Task2:QuestionsFranceCharlesBabbageuniversalmachineInthe1940sAbout377yearsold1.MyrealfatherwasCharlesBabbage,whowroteabookandbuildmein1936.2.AfterIgotmynewtransistorsinthe1960s,Ibecamesmallerbutclevererandquicker.3.Iwasbroughtintopeople’shomesinthe1970s.4.SincemybirthIhavebeenbuilttotaketheplaceofhumanrace.TTFServe/helpAlanTuringFTask3:TrueorFalse?Carefulreading:Task1:FinishthetimelineonPage19.16421822TheanalyticalmachinewasmadebyCharlesBaggage.Thecomputergrewrapidlybothinsizeandinbrainpower.1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNowComputersconnectpeopleallovertheworldtogether.Thecomputerbeganasacalculatingmachine．19361960sComputerswereusedinofficesandhomes.Thecomputershadgrownaslargeasaroom.Develop-mentEarlydaysNameFunctionPoorStrongA_________machineSimplifydifficultsumsAn________machineThinklogicallyandproduceananswerquicklyA_________machineSolvedifficult______________________calculatinganalyticaluniversalmathematicalproblemsDevelop-mentNetworktimesMemorystoredinTubesLargeSmall____________SmallchipsApplicat-ions__________NarrowWideFinance________RobotsMobilephones___________SpacerocketsMedicaloperationsTransistorsCommunicationTradeIbeganasa_______machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta______machine.Astime______,Iwasmade______.Firstasa___andthenasa_____inofficesand____.Thereweretimeswhenmyshape______changed.Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_____myknowledgewithothersthroughtheWorldWideWeb.Sincethe1970smanynew________havebeenfoundforme.calculatinganalyticaluniversalwentbysmallertotallythatconnectedsharesoapplicationsPClaptophomesSummaryWhatcanyouusecomputerstodo?HowdoyouusecomputersandtheInternet?1.Helptodohomework2.Playcomputergames3.Sende-mails4.Listentomusic5.Seemovies6.Chat(聊天)7.Searchforinformation8.Doshopping9.LearncomputerskillsYesNoIoftenuseacomputerto…,Isometimesuseitto…,andIneveruseitto…DiscussionWorkwithyourpartnerstolistsomeadvantagesanddisadvantagesoftheinternet.AdvantagesDisadvantages•downloadinformation•chatwithfriends•listentomusic•seefilms&watchnews•doonlineshopping•learnEnglish•savealotoftimeandenergy……•wastetimeandmoney•mayaffectpeople’shealth•somepeopleusethecomputertodoillegalthings.•somepeople,especiallytheteenagers,areaddictedto(沉迷于)thecomputergamesandchattingontheInternet.……Inaword,asstudents,weshouldtrytomakegooduseofcomputer.Homework：•Reviewwhatwehavelearnedinthisclassandtrytoretellthepassage.•Previewthewordsandphrasesinthepassage.