高中英語人教版必修二unit3Reading

Unit3ComputersGuessinggameGuess!Atoy?Ahandbag?Computerskeyboardmousemonitorscreenspeaker

host

computerWhatEnglishwordsdoyouknowaboutcomputers?①②③④⑤⑥Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.

DoyouknowwhoIam?abacusGuessmore:Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIcanbeusedforcalculating.Besides,IcanalsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.notebookcomputer/laptopDoyouknowwhoIam?AhugecomputerPCthehistoryofthecomputerPDAcalculatorabacuslaptopWriteoutallthewordsyouknowaboutcomputers.computermonitorclicksoftwaresearchupdatedownloadInternetkeyboardWhoamI?Skimming:

Gooverthestorytofindoutwhothespeakeris.Writedown3sentencestosupportyouridea.Itisacomputer.●IwasabletosharemyknowledgewithothersthroughtheWorldWideWeb.●”MyrealfatherwasAlanTuring....”●IwasbuiltasanAnalyticalMachinebyCharlesBabbage.”TimelineThecomputerbeganasacalculatingmachineThecomputergrewrapidlybothinsizeandinbrainpower.Thecomputerhadgrownaslargeasaroom.1960sComputerswereusedinofficesandhomes.Computersconnectpeopleallovertheworldtogether.1642:_______________________________________________1822:TheAnalyticalMachinewasmadebyCharlesBabbage.1936:______________________________________________________________________________________1940s:______________________________________________:Thefirstfamilyofcomputerswasconnectedtoeachother.1970s:_________________________________________Now:____________________________________________________________________________________ScanningParagraph1Paragraph2Paragraph3TopicsentenceSupportingdetailsOvertimeIhavebeenchangedquitealot.CalculatingmachineAnalyticalmachineUniversalmachinePClaptopThesechangesonlybecamepossibleasmymemoryimprovedTubesTransistorsChipsNetworkWorldwidewebSincethe1970smanynewapplicationshavebeenfoundforme.CommunicationsFinanceTradeRobotsMobilephonesMedicaloperationsSpacerocketsProvidingalifeofhighquality

In1642Thecomputerbeganasa(n)1.______________machineinFrance.About200yearslaterThecomputerwasbuiltasa(n)2.__________machineThecomputerwasprogrammedbyanoperatorusing3._______________.

In1936Abookabouthowtomakeacomputera(n)4.“________________”waswrittenbyAlanTuring.Fromthenon,thecomputergrewrapidly.calculatinganalyticalcardswithholesuniversalmachineFromthe1940stothe1970sThecomputerwasmadesmaller,andits5.______________becamebetter.ThecomputercouldmemorizeallthethingsDuringthattime,thefirstPCandthefirst6.____________weremade.In7___________Computerwereconnectedbya8.____________.Throughthenetwork,peoplecould9._____________knowledgeandinformation.

Sincethe1970sComputershavebeenusedinmany10._______________.memorylaptoptheearly1960ssharenetworkwaysTask5QUESTION-ANSWERCOMPETITIONWhatisPC?Speakthenameonthewhole.Itmeans:personalcomputer.2.WhatisIT?InformationTechnology.3.WhatisPDA?Personaldigitalassistant.4.Whatis?Worldwideweb.5.科學(xué)技術(shù)Scienceandtechnology.6.人工智能Artificialintelligence.7.筆記本電腦Notebookcomputer.8.Whowasthecomputers’realfather?AlanTuring.Whataretheadvantagesanddisadvantagesofthecomputers?Inmyopinion,Icanusethecomputerto….DiscussionWecanusethecomputerto…….

listentomusicWatchmoviessearchfor…communicatewith…doshopping

AdvantagesWecanusethecompuersto…1.useacomputerforschoolwork2.playgamesonthecomputer3.sendemailstofriends4.downloadmusicandfilms5.goshoppingonline6.useQQtomakefriends7.communicatewithothers8.usetheInternettosearchforinformation9.surfthewebforfun

10.readnewsbothathomeandabroad,readbooksandmagazines

DisadvantagesSomestudentsmaygettooaddicted(沉溺于)toit.Somestudentswastetoomuchtimeinplayingcomputergames.Somestudentsspendtoomuchtimeinchattingwithothersandmaybecheated(欺騙)bysomeoneonline.Asaresult,theyhavelittletimetostudyItisbadforoureyesandhealthtospendlongtimeinfrontofcomputers.Howusefulcomputersare!DoourschoolworkPlaycomputergamesSendemailsSeemoviesChatwithfriendsGetusefulinformationShoppingonlineListentomusicInternetComputershavegreatpower.Theymakeourlivesmorecolorfulandmoreconvenient.

BUT

Don’tjustusecomputersforfun.Don’tspendtoomuchtimeinplayingcomputergamesorchatting(聊天)online.Weshouldlearnmorecomputerskillswhichareveryusefulinourfuturework.

Summaryaboutthetext.

Thecomputer__________acalculatingmachinein1642,thenin1822,itwasbuiltasan___________by________________.Attheyearof1936,AlanTuring____________todescribehowcomputers_____________towork,andbuilda“universalmachine”tosolve_________________.Withthedevelopmentof__________________beganasAnalyticalMachineCharlesBabbagewroteabookcouldbemademathematicalprobleminformationtechnologyinthe1960s,computershadnew__________andbecame_______________,thenwereconnectedtoeach