人教英语新课标必修2全册精品教案(Unit3Computer).docx

人教英语新标必修2全册精品教案( Unit 3 puter)Unit3puterPartne:TeahingDesignPerid1:AsaplelessnplanfrreadingAisTtalabutputerTreadabutputerPreduresIaringuparingupbtalingabutputerLatthepituresnpage17hatarethe?hatdthehaveinn?es,theareputersThenhatisaputer?AputerisaahinehihstresnledgeinitseranddesalulatinsnthatnledgeThisnledgeisstredinsbls;itisalleddataAputerusuallhasanitrtshresultsHever,seputersanspea;theseputersanbeusedfrvieail计算机室AputerfrequentlrequiresabtdevieThebtdevientainstheputersperatingssteanddataputerprgrasanbeinstalledntaputerSepeplethinthatputersarelessusefulifthednthaveaessttheInternetThethinthisbeausetheInternetallstheputerstsendandreeivedataandeailarsstherld曙光3000巨型计算机AputerisnalstalasaneletrnidevieItusuallntainsaterialshiharetxi;theseaterialsillbeetxiastehendispsedfhenaneputerispurhasedinseplaes,lasrequirethatthestfitsasteanageentustalsbepaidfrThisisalledprdutsteardshipInseuntriesldputersarereledtgetgldandtheretalsThisisdangerus,beausethispredurereleasesthetxiasteinttheaterandsilputersbeebsletequilVerftenthearegivenaaandnenesreplaetheithintrthreeearsThisaestheprblerseputerrelingisthusnanpretstrtsendringputerstdevelpingnatinsstheanbere-usedandillntbeeasteasquilputerargn计算机行话puterargneansrdstdithputersandsurrundingtpisninghattheserdseananhelpunreabutputersSepepleusetheserdstipresstherpepleExaplesfargn:Bit-Thesallestdataunit,aneitherbea“0”ra“1”Bte-unitfdataSeealsilbte,egabte,GigabteandNibblePUentralPressingUnit,AnthernaefrpressrData-InfratinstrednaputerDis-AplaetstredataEail-EletrniailGHz-GigahertzUsedfteninrretltdesribethespeedfapressrButithse24GHzpressrsfasterthan36GHznes,itislearthatitisustasalesantriLad-GetdatafradisNibble-HalfaBteSave-PutdatanadisRArand-aesser,therethebetterUSB-UniversalSerialBus（通用串行总线，一种简化了插接多种附的薄型插座）-rldideeb,partftheInternetIIPre-reading1Questiningandansering‑‑‑hatdunabutputer?Eletrniahineapablefperfringalulatinsandtheranipulatinsfvariustpesfdata,underthentrlfastredsetfinstrutinsTheahineitselfisthehardare;theinstrutinsaretheprgrarsftareDependingupnsize,putersarealledainfraes,iniputers,andirputersirputersinludedes-tpandprtablepersnalputersAulti-funtineletrnideviethatanexeuteinstrutinstperfratasAdeviethataeptsinfratin,pressesit,andsuppliesanutputAputerusuallntainser,antrlunit,arithetiandlgialunits,andaeansfrinputandutputaprgraablehardarepnentthatisntrlledbinternallstredprgrasandthatanperfrsubstantialputatinsithuthuaninterventinAputertpiallnsistsfnerrepressingunits,erunits,andassiatedperipheralinputandutputdeviesRelatedtautatinandeletrnidatapressingTheLibrarfngressnllassesstputer-relatedbsinHF48,QA7-76,Z2,T38,andseTrangesaahinefrperfringalulatinsautatiallalulatr:anexpertatalulatinAputerisadevierahinefraingalulatinsrntrllingperatinsthatareexpressibleinnuerialrlgialtersputersarenstrutedfrpnentsthatperfrsipleell-definedfuntinsTheplexinteratinsfthesepnentsendputersiththeabilittpressinfratinIfrretlnfiguredaputeranbeadetrepresentseaspetfaprblerpartfassteIfaputernfiguredinthisaisgive2Disussingandsharing‑‑‑Hhaveputershangedurlives?Sedasn,ifuhaventalread,urelieltpluginttheputernetrnatingringinuridstputerterinals,rsallputersnnetedviadetrdinartelephnelines,shuldbeasubiquitusasthetelephneitselfThereauhreusefulandhuanetlthanthephne,andithrprateAeriabehindthethenetrsillbeeverhere-hangingurlivesrethanantehnlgsinetheautbileiningaputernetristhesaeasiningaunitSallsstesarelievillages,hereneebersarefralleledThelargernetrs,theSureandpuServe,frexaple,areities-annus,fullflifeandevents,butdiffiulttfitintIIIReading1ListeningandreadingtthererdingfthetextHAI?Turntpage18andlistenandreadtthererdingfthetextPaattentintthepauses,prnuniatinandintnatinfthenativereader2ReadingaludandunderliningexpressinsNearetreadthetextneagainandunderlinealltheexpressinsinthetextPutthedninturntebafterlassasherllatinsfrHAI?beginas,aalulatingahine,bebuiltas,fllinstrutinsfr,sundsiple,atthetie,atehnlgialrevlutin,riteab,aer,slveprbles,beehuge,hadartifiialintelligene,gbat,thesizef,gb,hangesize,beesallandthin,getqui,standtherebneself,bennetedb,shareinfratinb,talt,bringint,dealith,uniateith,servethehuanrae3Reading,identifingandsettlingAttentin,please!ItistietsithetextneretieandidentifthediffiultsentenesTranalzingthestruturesfthediffiultsentenesanddisusstheangurgrupebersuaalsputurquestinstefrhelphat（nline）（在线）聊天ThatisttalabutrdinarthingsthatarentveriprtantuanhattnepersnrtanpeplePeplealsusethisrdnfrpartsftheInternethereeantalithandifferentpepleatthesaetieUsuall,uhatntheinternetinahatrressagingservielieALInstantessenger,ahessenger,rSNessenger4ReadingandtransferringSanthetextfrinfratintpletethetablebel,desribingthedevelpentfputerIn1642In1822In1936In1960sIn1970sIVlsingdnbdingprehendingexerisesTurntpage18andinpairsdtheprehendingexerisesN1and2Perid2:AsaplelessnplanfrLearningabutLanguageAisTlearntuseThePresentPerfetPassiveVieTdisverusefulrdsandexpressinTdisverusefulstruturesPreduresIaringupbreadingtthetapeTbeginith,turntpage18,listeningtandreadingtthererdingfthetextHAI?Attentingestthepausesandintnatin,asellastheprnuniatinfthereaderIIDisveringusefulrdsandexpressinsInpairsdtheexerises1,2and3npages19and20uustfinishthein10inutesIIILearningabutgraar1PassiveVievervieTenserdelPassiveSenteneSiplePresentTheTEFLexaisgiveneversixnthsSiplepastTheTEFLexaasgivenlastnthSipleFutureTheTEFLexathisearillbegivenntber1PresentntinuusTheTEFLexaisbeinggiveneverearPresentperfetTheTEFLexahasbeengiveneverearsine190PastperfetTheTEFLexahadbeengivenbefretheVietnaarurredSipledalTheTEFLexashuldbegiventeverFreignstudentPastdalTheTEFLexashuldhavebeengiventalltenterUSlleges2ThePresentPerfetPassiveVieThestruturefThePresentPerfetPassiveVieis:have/hasbeenedIVReadingaludanddisveringNgbatpage18treadaludanddisverinthetextexaplesfThePresentPerfetPassiveVieAstheearshavegneb,IhavebeenadesallerandsallerSinethen,failandIhavebeenusedbbillinsfpepletdealithinfratinitheahtherarundtherldbtheInternetVDisveringusefulstrutureeshalldgraarexerises1,2and3npage20VIlsingdnbdingaquizrrettheistaesinthesepassiveviesentenesExaple:Thehuseasbuildin188013000epleeserelaingff2Astrilladeup3Anideaasputtedfrardfrdisussin4Hasthebbeengivebatuet?banlanillbepaedffinfiveearstie6Nthinganbehldagainste7uralliesillbelendsupprt8Shehasneverheardf9Sheasbeingneddnbabus10Sheaslettedffithafine11Theandleasblutbthedraught12Theriinalereledup13Thefldaterasbeeptbabbarriers14Theinnvenieneilladeupfrbthisne1Theesusthavebeenbeingleftbehind16Theldineaisbeingpulldn17Theprtestersbeingheldbabtheplie18Theradasblingff19Thirtrepepleerelaidfflastee20uraetanbehangedupvertherePerid3:AsaplelessnplanfrUsingLanguageAisTdisussabutITTriteareprtabutITTreadabutandridsrrbtsPreduresIaringupbtalingabutIThatisInfratintehnlg?InfratintehnlgrinfratinanduniatintehnlgisthetehnlgrequiredfrinfratinpressingInpartiulartheusefeletrniputersandputersftaretnvert,stre,prtet,press,transit,andretrieveinfratinfranhere,antieIIListeningandritingTurntpage21LatthepituresandlistentanversatinabutdifferentindsfinfratintehnlgrIT,disussandritedningrupstheadvantagesanddisadvantagesfeahindIIISpeaingandritingSuppseuandurpartneraregingthelphseputersfrurshlNtalabutthespeialthingseahftheputerandandriteareprtturheadasterIVReading,underliningandspeaingItissaidthatputersuldbeputintandridsrrbtsReadthetextAndTheAndrid,underliningalltheexpressinsandthinfthefunuuldhave!ExpressinsfrAndTheAndridpartfaftballtea,neaear,gettgether,plaaftballgae,beasas,infat,llie,ntheftballtea,runfast,thinlieahuan,shutt,inputerlanguage,haveagdshtfragal,getsendplae,inthefirstplae,haveaneindfprgra,iprvenesintelligene,reateabettersste,plaagainstahuantea,inaa,prgraith,aeup,afterall,iththehelpfVritingaletterSuppseuareanandridhatuldsataspiledhildhuldntdhisher?ritealettertthebAndridAnandridisanartifiiallreatedbeingthatreseblesahuanbeingTherdderivesfrGreeAndr-an,huanandthesuffix-eidesusedteanfthespeies,ind,alieTherddrid,arbtintheStararsuniverse,isderivedfrthiseaningSepepleaintainthat,etlgiall,therdandrideansreseblingaalehuanandthatarbtreseblingaanshuldlgiallbealledagnidfrsexistlanguagetbeavided;hever,thisrdisntnlusedUnliethetersrbtandbrg,therdandridhasbeenusedinliteratureandtherediatdenteseveraldifferentindsfan-ade,autnusreatins:arbtthatlselreseblesahuanabrgthatlselreseblesahuananartifiiallreated,etpriarilrgani,beingthatlselreseblesahuanAlthughessentiallhuanrphlgisnttheidealfrfrringrbts,thefasinatinindevelpingrbtsthataniiitanbefundhistriallintheassiilatinftnepts:siularaandautataTheterandridasfirstusedbtheFrenhauthrathiasVilliersdelIsle-AdainhisrTrrsEve,featuringaan-adehuan-lierbtnaedHadalAssaidbtheffierinthestr,“InthisagefRealienadvaneent,hnshatgesnintheindfthserespnsiblefrtheseehanialdlls”PartTTeahingResuresSetin1:AtextstrutureanalsisfHAI?ITpefritingandsuarfHAI?TpefritingThisisapieefnarrativeritingainideafthepassageBeginningasustaalulatingahinein1642inFrane,theputerhasbeenexperieningiprveentagainandveragainver300earsrre,hihhasntnladeitrebeautifulandintelligentbutalshangedanslifeagreatdeal!Tpisentenef1stparagraphIbeganasaalulatingahinein1642inFraneTpisentenef2ndparagraphNneuldregnizeeafterIgtnetransistrsinthe1960sIIAhainfeventsshingthedevelpentfputeraalulatingahinein1642inFraneanAnaltialahinein1822a“universalahine”in1936thesizefalargeradesallerandsallergettingnetransistrsin1960sleverandquieranetrintheearl1960stalingthuansusingBASIintheearl1960sbrughtintpepleshesin1970sInternetIIIAretldversinfthetextHAI?I,theputer,asaalulatingahinein1642inFraneThenIasbuiltasanAnaltialahinein1822,hihasatehnlgialrevlutinIbeaea“universalahine”in1936tslveanatheatialprbleIasntverbigatfirstthenIbeaehuge,thesizefalargerbefreIasadesallerandsallerGettingnetransistrsin1960sIbeaeleverandquierIasnnetediththerputersandturneduttpartfanetrintheearl1960sThenIbegantalingthuansusingBASIintheearl1960sIn1970sIasbrughtintpepleshes,andaetheInternetSetin2:BagrundinfratinputersIHDputersr?puterBasisTaplishatasusingaputer,uneedabinatinfhardare,sftare,andinputHardarensistsfdevies,lietheputeritself,thenitr,ebard,printer,useandspeaersInsideurputertherearerebitsfhardare,inludingthetherbard,hereuuldfindtheainpressinghipsthataeuptheentralpressingunitThehardarepressestheandsitreeivesfrthesftare,andperfrstassralulat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