人教版高中英語必修二Unit3《ComputersReading》人教版高中英語必修二Unit3《ComputersReading》人教版高中英語必修二Unit3《ComputersReading》Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.whoamI?abacusRiddles(謎語):/'?b?k?s/人教版高中英語必修二Unit3《ComputersR1

Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.whoamI?abacusRiddles(謎語):/'?b?k?s/Iamveryoldnow.Iwasbo2PDA(掌上電腦）PersonalDigitalAssistant

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

whoamI?PDA(掌上電腦）Iamsosmallins3Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.

whoamI?calculatorRiddles(謎語):/'k?lkj?le?t?/Iamverysmall.Ican4Iamverybig.Scientistsusemetosolvesomemathematicalproblems.hugecomputerwhoamI?Iamverybig.Scientistsu5Icanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.laptopwhoamI?Riddles(謎語):/'l?pt?p/Icanbeusedforcalculat6robotI’mamachinethatworksautomatically.Icandoawidevarietyoftasks,especiallysuitablefordoingjobstooboring,difficult,ordangerousforhumanbeings.whoamI?/'r??b?t/robotI’mamachinethatw7PC(個(gè)人電腦）PDA(掌上電腦）abacus(算盤）laptop(手提電腦）calculator(計(jì)算器）hugecomputerrobotPC(個(gè)人電腦）PDA(掌上電腦）abacus(算盤）lap8ThehistoryofthecomputerThehistoryofthecomputer9Whatdotheyhaveincommon?Whatdotheyhaveincommon?101.Theycanbeusedforcalculating.2.Theycandealwithmathproblems.3.Theyareourfriends.4.Theyareusefulandhelpful.1.Theycanbeusedforcalcula11Inwhatwaysarecomputersusedinourdailylife?DiscusswithyourpartnersandWorkoutalist.Inwhatwaysarecomputer12searchforinformationseemoviessearchforinformationseemovi13listentomusicreadbooksandmagazineslistentomusicreadbooksand14sendemailstofriendsdownloadmusicandfilmssendemailstofriendsdownload15shoppingonlineplaygamesonthecomputershoppingonlineplaygameson16drawpictureslookatphotographsonthecomputerdrawpictureslookatphotograp17chatonlinechatonline181.Whoisthespeakerinthisstory?

2.What’sthemainideaofthispassageA.Thedevelopmentofcomputers.B.Thedevelopmentandusageofcomputers.C.Amachinewhichissimple-minded.D.Computersmayreplacehumanbeings.Acomputer.Skimming3.Findoutthetopicsentenceofeachparagraphandunderlinethem1.Whoisthespeakerinthis19Para11.TopicsentenceOvertimeIhavebeenchangedquitealotScanning:Para11.TopicsentenceScanning20Scanning:Para1Fillinthechartwiththeinformationinpara1.1822calculatingSimplifylogicallyuniversalUsedinofficesandhomesSincethe1970sItwasconsideredatechnologicalrevolutionandthestartoftheartificialintelligence.Ihavechangedalotfromacalculatingmachinetoananalyticalmachine.Icandomanythingsashumanrace.RealityScanning:Para1Fillinthech21Para21.Topicsentence

Thesechangesonlybecomepossibleasmymemoryimproved

ks5uPara21.Topicsentenceks5u22Scanning:Para2Myshapedidn’tchangeeventhoughmymemoryimproved.TheolderIam,thelargerIhavebecome.OvertimeIhavebeenveryeasytoforgetthingsbecauseIdon’tdevelopenoughmemory.IwasabletosharemyknowledgewithothersthroughtheWorldWideWebintheearly1960s.TorFQuestionsFFFTFirstitwasstoredintubes,thenontransistorsandlateronverysmallchips.Untilintheearly1960stheygavemeafamilyconnectedbyanetwork.AsIhavegrownolderIhavealsogrownsmaller.Mymemoryhasdevelopedsomuchthat,likeanelephant,IneverforgetanythingIhavebeentold!.Scanning:Para2Myshapedidn’23Para31.TopicsentenceSincethe1970smanynewapplicationshavebeenfoundforme.

Para31.Topicsentence24Scanning:Para3Whatarethenewapplicationsofthecomputer?CommunicationFinancemobilephonesTrademedicaloperationspacerocketsrobotsScanning:Para3Whatarethen25Whatroledocomputersplayinthelifeofhumanbeings?Scanning:Para3Theyprovidehumanswithalifeofhighquality.Theyaredevotedfriendsandhelpersofthehumanrace.QuestionsandAnswersWhatroledocomputersplayin26Inwhatwayshavecomputerbeenchanged?FurtherUnderstandingsizeshapespeed

brainpower/memoryapplicationrelationshipwithhumanracelarge→smallerfasterandfastermoreandmoredevelopedusedinmoreandmorefieldscloserandcloserInwhatwayshavecomputerbe27SummarySummary28Filltheblanks:

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

thatconnectedhavebeenfoundsharemyknowledgesoanelephantFilltheblanks:calculatingan29WhenshewasahighschoolstudentshewasinterestedinEnglish.AtthattimeherEnglishwasnotbetter,butshenevergaveup.Overtimeshewasdeterminedtoworkhardatit.Astimewentbyshehadmadegreatprogressbecauseofherhardwork.Bythetimeshewasinsenior3herdreamhadcometrue.Asaresultshebecameacollegestudent.Nowshebecomesaairhostess,shewillworkontheplane.Mystudent’sstoryWhenshewasahighscho30HomeworkSupposeyourgroupisacomputercompany.Designafuture-computerandthenadver