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Unit3Computerscalculateuniversalsimplifysumoperatorlogicallogicallyvt.计算adj.普遍的；宇宙的vt.简化n.总数；算术题；金额n.（电脑）操作员；接线员adj.合逻辑的；合情理的adv.逻辑上；合逻辑地；有条理地Wordspreviewtechnologytechnologicalrevolutionartificialintelligenceintelligentsolverealityn.工艺；科技；技术adj.科技的n.革命adj.人造的；假的n.智力；聪明；智能adj.智能的；聪明的vt.解决；解答n.真实；事实；现实Wordspreviewpersonalpersonallytubetotaltotallynetworkwebadj.私人的；个人的；亲自的adv.就个人而言；亲自n.管；管子；电子管adj.总的；整个的n.总数；合计adv.完全地；整个地n.网络；网状物n.网Wordspreviewapplicationfinancemobilerocketexploreanyhowgoalhappinesshumanracen.应用；用途；申请n.金融；财经n.可移动的；机动的n.火箭vt.&vi.探索；探测；探究adv.无论如何；即使如此；n.目标；目的；球门n.幸福；快乐人类Wordspreviewfrom…onasaresultso…that…从……时起结果如此……以致于ExpressionspreviewWHOAMI?ReadingAtoy?Ahandbag?Acomputerisamachinewhichkeepsknowledgeinitsmemoryanddoesworkonthatknowledge.Thisknowledgeiskeptinsymbols;itiscalleddata.Acomputerusuallyhasamonitortoshowresults.However,somecomputerscanspeak.Thesecomputerscanbeusedforvoicemail.Whatisacomputer?Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语)Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.DoyouknowwhoIam?laptopPDAPersonalDigitalAssistantIamsosmallinsizethatIcanfitinyourhand.Iusuallyhaveasmallscreenusuallybiggerthanadigitalphone,howeversmallerthanthesmallestlaptop,I’magreatwaytostoretelephonenumbers,accesstheinternet,makecalculations,andsoon.DoyouknowwhoIam?Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerDoyouknowwhoIam?robotI’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.DoyouknowwhoIam?PCPersonalComputerI’masmall,relativelyinexpensivecomputerdesignedforanindividualuser.I’mbasedonthemicroprocessortechnology.Athome,peopleusemetosurftheInternetandplaygames.DoyouknowwhoIam?CanyougiveustheEnglishnamesofacomputercomponents(组件)?Tips:1.Wecanuseacomputerto…2.Itismadeupofsomeparts,suchas…keyboard键盘mouse鼠标monitor显示器screen屏幕speaker音响host主机componentsofacomputermainboardCPU(centralprocessingunit)floppydiscDVDROMUSBflashdiskprinterscannermodemscreenkeyboardmousemonitorDVD-ROMharddisk1.thepartofthecomputerthatlookslikeatelevision2.thepartofthemonitorthatyoulookat3.somethingyouusetoclickonthings(files,etc.)4.thepartofthecomputerthatyoutypeon5.thepartofacomputerthatstoresinformation6.thepartofcomputerthatwecanputaCDinMatchPDAabacuscalculatorhugecomputerPClaptopWhat’snext?Canyoutellthedevelopmentofcomputers?robotSkimmingtogetgeneralideas1.Whoisthespeakerinthisstory?2.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentanduseofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Acomputer.SkimmingReadingComprehensionILookattheseinventions.Canyouputtheminanorderaccordingtothetimewhentheyappeared?()analyticalmachine()laptop()calculatingmachine()robot()PC()universalmachine123456SkimmingReadingComprehensionIICarefulreadingThesechangesonlybecamepossibleasmymemoryimproved.Sincethe1970smanynewapplicationshavebeenfoundforme.OvertimeIhavebeenchangedquitealot.Para1:Para2:Para3:Matchthemainideasandtheparagraphs.Scanningtogetdetailinformation1.MyrealfatherwasCharlesBabbage,whowroteabookandbuiltmein1936.2.AfterIgotmynewtransistorsinthe1960s,Ibecamesmallerbutclevererandquicker.3.Iwasbroughtintopeople’shomesinthe1970s.4.SincemybirthIhavebeenbuilttotaketheplaceofthehumanrace.TrueorFalseScanningReadingComprehensionIII5.IbeganasacalculatingmachineinJapanin1642.6.In1936,Igrewrapidlybothinsizeandinbrainpower.7.Astimewentby,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.Whenwasthecomputerthebiggest?A.In1642.B.In1936.C.Inthe1940s.D.Inthe1970s.4.Howoldisthecomputer?A.About170yearsold.B.About270yearsold.C.About370yearsoldD.About470yearsold.Scanning5.Whichofthefollowingisintherightorderoftime?a.Thecomputerwasconnectedwithothercomputers.b.AlanTuringwroteabookaboutthecomputer.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.Thecomputerbeganasacalculatingmachine．1936Thecomputergrewrapidlybothinsizeandinbrainpower.Finishthetimelinebelow.ScanningReadingComprehensionV1940sThefirstfamilyofcomputerswasconnectedtoeachother.1970sNow1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.Thecomputerhadgrownaslargeasaroom.Thehistoryofcomputersthesecondgeneration(1956-1963)thethirdgeneration(1964-1971)thefourthgeneration(1971-)thefirstgeneration(19