人教版高中英语必修2教案unit 3 computer

1 / 18 人教版高中英语必修 2 教案 Unit 3 Computer 莲山课 件 k Unit3computerPartone:TeachingDesign(第一部分：教学设计 ) Period1:Asamplelessonplanforreading (WHoAmI?) Aims Totalkaboutcomputer Toreadaboutcomputer Procedures Warmingupbytalkingaboutcomputer ?Whatdotheyhaveincommon?yes,? Acomputerisamachinewh;,somecomputerscanspeak;thesecomputerscanbeusedforvoicemail. 计算机室 vedataandemailacrosstheworld. 曙光 3000巨型计算机 2 / 18 ;, Insomecountriesoldcomputersarerecycled(melteddown),becausethisprocedurereleasesthetoxicwasteintothewaterandsoil. anbere-usedandwillnotbecomewasteasquickly. computerjargon 计算机行话 (Alsoknownasbuzzwords). Examplesofjargon: Bit-Thesmallestdataunit,caneitherbea“0.”ora“1.”. ,megabyte,GigabyteandNibble cPU centralProcessingUnit,Anothernameforprocessor Data-Informationstoredonacomputer Disk-Aplacetostoredata. Email-Electronicmail. ,itisclearthatitisjustasalesmantrick. Load-Getdatafromadisk Nibble-HalfaByte Save-Putdataonadisk RAm random-accessmemory( 随 机 存 取 存 储器 ),themorethebetter. USB-UniversalSerialBus（通用串行总线，一种简化了插接多种附件的薄型插座） 3 / 18 WWW-WorldWideWeb,partoftheInternet Whatdoyouknowaboutcomputer? Electronicmachinecapableofperformingcalculationsandothermanipulationsofvarioustypesofdata,;,computersarecalledmainframes,minicomputers, Amulti -functionelectronicdevicethatcanexecuteinstructionstoperformatask. Adevicethatacceptsinformation,processesit,acontrolunit,arithmeticandlogicalunits,andameansforinputandoutput. aprogrammablehardwarecomponentthatiscontrolledbyinternallystoredprogramsandthatcanperformsubstantialcomputations(includingarithmeticandlogicoperations),memoryunits,andassociatedperipheralinputandoutputdevices. F5548,QA75 -76,Z52,T385,andsomeTkranges. amachineforperformingcalculationsautomatically calculator:anexpertatcalculation(oratoperatingcalculatingmachines) 4 / 18 Acomputerisadeviceormachineformakingcalculationsorc(usuallyby,programming)a Howhavecomputerschangedourlives? Somedaysoon,ifyouhaven talready,you ,orsmallcomputersconnectedviamodem(amodulator/demodulatorcircuitforencoding/decodingcomputerchatter)toordinarytelephonelines, reamuchmoreusefulandhumanetoolthanthephone,andwithcorporateAmericabehindthemthenetworkswillbeeverywhere-changingourlivesmorethananytechnologysincetheautomobile. ,theSourceandcompuServe,forexample,arecities-anonymous,fulloflifeandevents,butdifficulttofitinto. ? ,pronunciationandintonationofthenativereader. Nowwe 5 / 18 collocationsfromWHoAmI? beginas,acalculatingmachine,bebuiltas,followinstructionsfrom,soundsimple,atthetime,atechnologicalrevolution,writeabook,makework,solveproblems,becomehuge,hadartificialintelligence,gobackto,thesizeof,goby,changesize,becomesmallandthin,getquick,standtherebyoneself,beconnectedby,shareinformationby,talkto,bringinto,dealwith,communicatewith,servethehumanrace 3.Reading,identifyingandsettling Attention,please!I chat（ online）（在线）聊天 ,youchatontheinternetinachatroomormessagingservicelikeAoL(Americanon-Line)Instantmessenger(AIm),yahoomessenger,ormSNmessenger. 4.Readingandtransferring Scanthetextforinformationtocompletethetablebelow,describingthedevelopmentofcomputer. In1642 In1822 6 / 18 In1936 In1960s In1970s Period2:AsamplelessonplanforLearningaboutLanguage (ThePresentPerfectPassiveVoice) Aims TolearntouseThePresentPerfectPassiveVoice Todiscoverusefulwordsandexpression Todiscoverusefulstructures Procedures Tobeginwith,turntopage18,listeningtoandreadingtotherecordingofthetextWHoAmI?Attentiongoestothepausesandintonation,aswellasthepronunciationofthereader. Inpairsdotheexercises1, 7 / 18 overview Tenseormodel PassiveSentence SimplePresent TheToEFLexamisgiveneverysixmonths. Simplepast TheToEFLexamwasgivenlastmonth. SimpleFuture TheToEFLexamthisyearwillbegivenonoctober15. Presentcontinuous TheToEFLexamisbeinggiveneveryyear. Presentperfect TheToEFLexamhasbeengiveneveryyearsince1950. Pastperfect TheToEFLexamhadbeengivenbeforetheVietnamWaroccurred. Simplemodal TheToEFLexamshouldbegiventoeveryForeignstudent. Pastmodal TheToEFLexamshouldhavebeengiventoalltoenterUScolleges. ThestructureofThePresentPerfectPassiveVoiceis:have/8 / 18 has been ed Nowgobacktopage18toreadaloudanddiscoverinthetextexamplesofThePresentPerfectPassiveVoice. Astheyearshavegoneby,Ihavebeenmadesmallerandsmaller. Sincethen,myfamilyandIhavebeenusedbybillionsofpeopletodealwithinformationwitheachotheraroundtheworldbytheInternet. Weshalldogrammarexercises1,2and3onpage20. correctthemistakesinthesepassivevoicesentences Example:Thehousewasbuildin1880.(correct=Thehousewasbuiltin1880.) ? 9 / 18 Period3:AsamplelessonplanforUsingLanguage (ANDy THEANDRoID) Aims TodiscussaboutIT TowriteareportaboutIT Toreadaboutandroidsorrobots Procedures 10 / 18 WhatisInformationtechnology?Informationtechnology(IT)orinformationandcommunicationtechnology(IcT)vert,store,protect,process,transmit,andretrieveinformationfromanywhere,anytime. nformationtechnologyorIT,discussandwritedowningroupstheadvantagesanddisadvantagesofeachkind. Suprttoyourheadmaster. ,underliningandspeaking TheAndroid,underliningalltheexpressionsandthinkofthefunyoucouldhave! ExpressionsfromAndy TheAndroid partofafootballteam,onceayear,gettogether,playafootballgame,beasas,infat,looklike,onthefootballteam,runfast,thinklikeahuman,shoutto,incomputerlanguage,haveagoodshotforagoal,getsecondplace,winthefirstplace,haveanewkindofprogram,improveone sintelligence,createabettersystem,playagainstahumanteam,inaway,programwith,makeup,afterall,withthehelpof 11 / 18 ?Writealettertotheboy. Android man,human andthesuffix-eidesusedtomean ofthespecies,kind,alike (fromeidos species ). Theworddroid,arobotintheStarWarsuniverse,etymologically,thewordandroidmeansresemblingamalehumanandthatarobotresemblingawomanshouldlogicallybecalledagynoidforsexistlanguagetobeavoided;however,thiswordisnotcommonlyused. Unlikethetermsrobot(amechanicalbeing)andcyborg(abeingthatispartlyorganicandpartlymechanical),thewordandroidhasbeenusedinliteratureandothermediatodenoteseveraldifferentkindsofman-made,autonomouscreations: arobotthatcloselyresemblesahuman acyborgthatcloselyresemblesahuman anartificiallycreated,yetprimarilyorganic,beingthatcloselyresemblesahuman Althoughessentiallyhumanmorphologyisnottheidealformforworkingrobots,thefascinationindevelopingrobotsthatcanmimicitcanbefoundhistoricallyintheassimilationoftwoconcepts:simulacra(devicesthatexhibitlikeness)andautomata(devicesthathaveindependence). 12 / 18 ThetermandroidwasfirstusedbytheFrenchauthormathiasVilliersdelIsle-Adam(1838-1889)inhisworkTomorrow sEve,“InthisageofRealienadvancement,whoknowswhatgoesoninthemindofthoseresponsibleforthesemechanicaldolls.” 找教案 http:/ PartTwTeachingResources(第二部分：教学资源 ) Section1:AtextstructureanalysisofWHoAmI? ? Typeofwriting Thisisapieceofnarrativewriting. mainideaofthepassage Beginningasjustacalculatingmachinein1642inFrance,thecomputerhasbeenexperiencingimprovementagainandoveragainover300yearsormore,whichhasnotonlymadeitmorebeautifulandintelligentbutalsochangedman slifeagreatdeal! Topicsentenceof1stparagraph Ibeganasacalculatingmachinein1642inFrance. Topicsentenceof2ndparagraph NoonecouldrecognizemeafterIgotmynewtransistorsinthe1960s. 13 / 18 acalculatingmachinein1642inFranceanAnalyticalmachinein1822a“universalmachine.”in1936thesizeofalargeroommadesmallerandsmallergettingnewtransistorsin1960scleverandquickeranetworkintheearly1960stalkingtohumansusingBASIcintheearly1960sbroughtintopeople shomesin1970sIn ternet ? I,thecomputer,wasacalculatingmachinein1642inFrance.ThenIwasbuiltasanAnalyticalmachinein1822,“universalmachine”,thesizeofalargeroombeforeIwasmadesmallerandsmaller. shomes,andcametheInternet. Section2:Backgroundinformationcomputers ? computerBasics Toaccomplishataskusingacomputer,youneedacombinationofhardware,software,andinput. Hardwareconsistsofdevices,likethecomputeritself,themonitor,keyboard,printer,includingthemotherboard,whereyouwouldfindthemainprocessingchipsthatmakeupthecentralprocessingunit(cPU).Thehardwareprocessesthec14 / 18 ommandsitreceivesfromthesoftware,andperformstasksorcalculations. Softwareisthenamegiventotheprogr,suchastheAppleoSforamacintosh,likethegamesweplayorthetoolsweusetocomposelettersordomathproblems. , HowTheyWorkTogetherFirst, ,(calledaURL,whichstandsforUniformResourceLocator),orclickonanaddressyou ,startingupotherhardwaredevices,suchasamodem,thebrowserwillthentellyourcomputertosendth,youseethewebsiteyouwerelookingfor. Ifyoudecideyouwanttoprintthepage,rcomputer,thensendtheinformationaboutthewebpagefromyourcomputeroverthecabletotheprinter,whereitisprintedout. oldportabletelevision Atelevision(alsoTVortelly)isadevice(tool)withascr“television”comesfromthew ordstele(Greekforfaraway)andvision(seeing). ,andmaysitonthefloor,ratherthanold,moresquareTVs. Atelevisionhasanantenna(oraerial),usuallythroughakindofsocketcalled“ScART”. 15 / 18 TheWoarenotavailable, ,itisnowusedtolistentomusic,news, DVDmostcommonlystandsfor“digitalversatiledisk”. Email(electronicmail)isamessage,usuallytext,(mail),acomputerwithamodemandtelephonelineconnectedtotheInternet,:loginserver.(comorfrororgorukorother). ,Hotmailandyahoo! ,:WordsandexpressionsfromUnit3computers common ofopenlandforrecreationaluseinanurbanarea(常用于专有名词中 ): 哈 洛 公 园 在 冬 天 时 风 景 很美。 :;standard:;widelyknownorcommonlyencountered;averageorordinaryorusual:;public:acommon(orfamiliar):produced.thecommonclothsusedbythepoorerpopulation. simple ;unornamented:(botany)ofleafshapes;notcomplexorcomplicatedorinvolved:asimplegame.):simplecourtesy. technology ledgetopracticalproblems universal 16 / 18 nalldirections:Inmotorvehiclesauniversaljointallowsthedriveshafttomoveupanddownasthevehiclepassesoverbumps.):universalexperience. mathematical :amathematicalwhiz. artificial :Herhusbandhatedtheartificialhumility. disagree :Shedisagreeswithherhusbandonmanyquestions. disadvantage ;hinder,harm:Thisruleclearlydisadvantagesme. choice :yourchoiceofcolorswasunfortun