2023学年完整公开课版【原创】Unit3computer

period1warmingupandreading武夷山第一中学杨菲Task1:GuessinggameWhoamI?

Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.WhoamI?abacusRiddles(谜语):/'æbəkəs/PDAPersonalDigitalAssistant

IamsosmallinsizethatIcanfitinyourhand.Iusuallyhaveasmallscreenbutbiggerthanadigitalphone,howeversmallerthanthesmallestlaptop,Icanstoretelephonenumbers,accesstheInternet,makecalculations,andsoon.

WhoamI?Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.WhoamI?calculatorRiddles(谜语):/'kælkjʊleɪtə/Iamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerWhoamI?Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.laptopWhoamI?Riddles(谜语):/'læptɒp/robot

I’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.

WhoamI?/'rəʊbɒt/PC(个人电脑）PDA(掌上电脑）abacus(算盘）laptop(手提电脑）calculator(计算器）hugecomputerrobotTask2:NameandreorderWhatdotheyhaveincommon?What’snext?Afuture-computershapepriceapplicationscolorcomponentsTask3:DesignafuturecomputerSupposeyourgroupisacomputercompany.Designafuture-computerandthenadvertiseittoyourcustomer.?WhoAmIReadingLookatthepicturesandthetitleofthereadingpassageonPage18.Predictwhatitisgoingtobeabout.Task4:Prediction1.What’sthemainideaofthispassage?A.Thedevelopmentofcomputers.B.Thedevelopmentandusageofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.2.Findoutthetopicsentenceofeachparagraphandunderlinethem.Task5:SkimmingTimeMachineApplicationIn1642A________machine________difficultsumsAboutin1822AnanalyticalmachineThink_________In1936A________machineSolveanydifficultproblemBythe1940sAlargermachine______worriedthedesigners____________PersonalcomputerandLaptop______________________________calculatingSimplifylogicallyuniversalUsedinofficesandhomesSincethe1970sItwasconsideredatechnologicalevolutionandthestartoftheartificialintelligence.RealityTask6:Scanning(Para1)Myshapedidn’tchangeeventhoughmymemoryimproved.TheolderIam,thelargerIhavebecome.OvertimeIhavebeenveryeasytoforgetthingsbecauseIdon’tdevelopenoughmemory.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.FFFTFirstitwasstoredintubes,

thenon

transistorsandlateronverysmallchips.Untilintheearly1960stheygavemeafamilyconnectedbyanetwork.AsIhavegrownolderIhavealsogrownsmaller.Mymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!.Task6:Scanning(Para2)“T”or“F”Whatarethenewapplicationsofthecomputer?CommunicationFinancemobilephonesTrademedicaloperationspacerocketsrobotsTask6:Scanning(Para3)SummaryFilltheblanks:

Ibeganasa___________machinein1642inFrance.In1822Iwasbuiltasan_______machine.Thenin1936AlanTuringwroteabookandbuilta______machine.Astheyearshave______,Ihavebeenmade______.Overtimemymemoryhasdevelopedsomuchthat,like________,IneverforgetanythingIhavebeentold!Andmymemorybecame_____large_____Icouldn’tbelieveit.Inthe1960stheygavemeafamily_________byanetwork.Iwasableto_________________withothersthroughtheWorldWideWeb.Sincethe1970smanynewapplications_________________forme.calculatinganalyticaluniversalgonebysmaller

thatconnectedhavebeenfoundsharemyknowledgesoanelephantTask7:Fillintheblanks

Task8:DiscussthequestionsingroupsforfurtherunderstandingQ1:Inhowmanywaysdowesaythecomputerchanged?Whatarethey?Q2:What’syouropinionaboutthewritingstyleofthepassage?1.WhathaveIlearnedintoday’slesson?2.HowcanIlearnthat?3.WhatdoIwanttoknowmoreaboutcomputers?Task9:Self-assessment1.Readoutthepassage.

2.DotheExx1-3onPage19.3.Supposeyouarear