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1、Unit 3Unit 3 ComputersComputersReading1.To learn about something about computers.2.Reading and understanding,catching the history and information of the passage“who am I?”.3.Functional item,how to tell the history about the computer.Learning AimsCanyougivemetheEnglishnamesofacomputercomponents(组件组件)
2、?Tips:1.Wecanuseacomputerto2.Itismadeupofsomeparts,suchasWarmingupkeyboard键盘键盘mouse鼠标鼠标monitor显示器显示器screen屏幕屏幕speaker音响音响host主机主机componentsofacomputerscreenkeyboardmousemonitorDVD-ROMharddisk1.thepartofthecomputerthatlookslikeatelevision2.thepartofthemonitorthatyoulookat3.somethingyouusetoclickonthi
3、ngs(files,etc.)4.thepartofthecomputerthatyoutypeon5.thepartofacomputerthatstoresinformation6.thepartofcomputerthatwecanputaCDinMatch WHOAMI?ReadingSkimming to get general ideas1.Whoisthespeakerinthisstory?2.Whatsthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C
4、.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Acomputer.SkimmingReadingComprehensionI Lookattheseinventions.Canyouputtheminanorderaccordingtothetimewhentheyappeared?()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachine123456SkimmingReadingComprehensionIICarefu
5、l reading Thesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.OvertimeIhavebeenchangedquitealot.Para1:Para2:Para3:Matchthemainideasandtheparagraphs.Scanning to get detail information1.MyrealfatherwasCharlesBabbage,whowroteabookandbuiltmein1936.2.AfterI
6、gotmynewtransistorsinthe1960s,Ibecamesmallerbutclevererandquicker.3.Iwasbroughtintopeopleshomesinthe1970s.4.SincemybirthIhavebeenbuilttotaketheplaceofthehumanrace.TrueorFalseScanningReadingComprehensionIII5.IbeganasacalculatingmachineinJapanin1642.6.In1936,Igrewrapidlybothinsizeandinbrainpower.7.Ast
7、imewentby,Iwasmadebigger.8.Sincethe1970smanynewapplicationshavebeenfoundforme.Scanning1.Whowasthefirstpersontomaketheearliestcomputer?A.AlanTuring.B.CharlesBabbage.C.CharlesTuring.D.AlanBabbage.2.Whenwasthe“universalmachine”built?A.In1822.B.In1642.C.In1936.D.In1970.ScanningReadingComprehensionIV3.Wh
8、enwasthecomputerthebiggest?A.In1642.B.In1936.C.Inthe1940s.D.Inthe1970s.4.Howoldisthecomputer?A.About170yearsold.B.About270yearsold.C.About370yearsoldD.About470yearsold.Scanning5.Whichofthefollowingisintherightorderoftime?a.Thecomputerwasconnectedwithothercomputers.b.AlanTuringwroteabookaboutthecompu
9、ter.c.ThecomputerhasbeensenttoexploretheMoonandMars.d.Thecomputerbegantosimplifydifficultsums.A.a.b.c.d.B.b.c.a.d.C.d.a.c.b.D.d.b.a.c.Scanning16421822TheanalyticalmachinewasmadebyCharlesBabbage.Thecomputerbeganasacalculatingmachine1936Thecomputergrewrapidlybothinsizeandinbrainpower.Finishthetimeline
10、below.ScanningReadingComprehensionV1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNow1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.Thecomputerhadgrownaslargeasaroom.Thehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)the
11、fourthgeneration(1971-)thefirstgeneration(1945-1956)Completethechartbelow.Para-graph1Para-graph2Para-graph3TopicsentenceSupportingdetailstubescommunica-tionsfinanceScanningReadingComprehensionVIParagraph1TopicsentenceOvertimeIhavebeenchangedquitealot.Supportingdetails1calculatingmachine2analyticalma
12、chine3universalmachine4PC5laptopParagraph2TopicsentenceThesechangesonlybecamepossibleasmymemoryimproved.Supportingdetails1tubes2transistors3chips4network5WorldWideWebParagraph3TopicsentenceSincethe1970smanynewapplicationshavebeenfoundforme.Supportingdetails1communications2finance3trade4robots5mobile
13、phones6medicaloperations7spacerockets8providingalifeofhighqualitySummaryIbeganasa_in1642inFrance.In1822Iwasbuiltasan_.Thenin1936AlanTuringwroteabookandbuilta_.Astheyearshavegoneby,Ihavebeenmade_and_butIbecame_and_.calculatingmachineanalyticalmachinemachineuniversalsmallersmallerclevererquickerRetell
14、thetextbyfillingthefollowingblanks.Inthe_theygavemeafamilyconnectedbya_.Nowpeoplecallitthe_.Ihavebeenusedin_and_sincethe1970s.SoIbecamePC.Sincemy_Ihavetrulybeenbuilttoservethe_.network1960sInternethumanraceofficeshomesbirthHomework1.Readthetextafterclassandlookformoreinformationaboutthedevelopmentofthecomputeranditsapplications.2.Retellthepassage.