B2U12-The Internet(12级)ppt课件VIP

.,Unit12TheInternet,PartAListeningStrategyPartBPre-listeningTaskListeningTasksText:NathenDeesSpeakingTasksPartCTestYourListeningTimetoTalkMovieTime,.,FindingtheMainIdea,Findingthemainideaofaconversationisaveryimportantskillinlisteningcomprehension.Toacquirethisskill,wemustcultivateourabilitytodistinguishbetweenmajorandminorinformation.Weshouldlearnhowtolistenforthegeneralsenseratherthanforthemeaningofeveryword.Infact,itisimpossibleforustounderstandandremembereverywordutteredbythespeakeranditisnotnecessarytodoso.Thefirststeptolookforthemainideaistoidentifythetopicthespeakeristalkingabout.Thetopicisthesubjectorfocusofwhatisbeingsaidandisusuallyconveyedthroughthewordsorphrasesthespeakermentionsorreferstothemost.Thenyouhavetofocusyourattentiononthesentenceorsentencesthatextendthetopictothemessagethespeakerwantstogetacrosstothelistener.,PartAListeningStrategy,.,1.Themainideaofthepassage:EstablishingcomputerlabsfortheschoolsinChinaspoorruralareas.Studentsandteachersat20schoolsinChinaspoorruralareashadtheirowncomputerlabsattheendof2001.ThelabswerejointlyfundedbytheChinaYouthDevelopmentFoundationandCoca-Cola(China)BeveragesLtd.,whichplannedtoestablishmorecomputerlabsin1,200ruralschools.,2.Themainideaofthepassage:ChinaiscooperatingwithIndiaintrainingsoftwareprofessionals.ChinaisnowusingIndiasrichresourcesandexpertiseinITeducationtomeetitsgreatdemandforsoftwareprofessionals.AnIndiancompanyhasrecentlysignedadealwithChinatoestablishajointventurecompanyinBeijing.ItisthefirstIndiancompanytoinvestintheeducationofsoftwareprofessionalsinChina.,_,_,_,_,_,.,3.Themainideaofthepassage:Thecomputervirus,CodeRed2,isabouttoattackagain.CodeRedII,theworldsmostviciouscyberworm,isabouttostartanotherattack.Unlikeitsformerpeer,“Iloveyou”bug,thistimetheCodeRedserieswilltargetInternetserversandthenetwork.Anti-bugexpertsarecallingforgreateronlinesecurity.,_,_,.,Pre-listeningTaskQuestionsfordiscussion,1.Doyouoftenuseacomputer?2.Whatdoyouusethecomputerfor?3.Whatproblemshaveyouencounteredwhenusingacomputer?4.WhatistheInternet?5.WhatcanyoudoontheInternet?6.WhataresomeoftheadvantagesanddisadvantagesoftheInternet?7.WhatsecuritymeasuresshouldwetakewhenweusetheInternet?,.,Pre-listeningTaskQuestionsfordiscussion,6.WhataresomeoftheadvantagesanddisadvantagesoftheInternet?,TheInternethascontributedalottothesocialdevelopment.Ithasbroughtgreatconvenienceforcommunicationacrosslargedistances.Itoffersahugeamountofinformationofvariouskinds.Peoplecanfindplentyofentertainmentonlineandgetserviceslikeonlinebankingandshopping,etc.However,italsohassomedisadvantages.Therearemanycasesoftheftofpersonalinformationwhichcauselossesofmoneyandprivacy.Anotherthreatisviruseswhichmaydisruptthenormalfunctioningofyourcomputersystems.TherearealsosomeunhealthywebsitesontheInternetandcoulddogreatharmtothechildren.,.,Pre-listeningTaskQuestionsfordiscussion,7.WhatsecuritymeasuresshouldwetakewhenweusetheInternet?,ThereareseveralmeasureswecantakewhenweusetheInternet.First,itisimportantthatweuseasecureserverwhentransferringpersonalinformationlikecreditcardnumbersovertheInternetbecauseanystopalongthewaycouldlogourcreditcardnumber.Whenweuseasecureserver,thenumberisencrypted(coded)andlookslikegibberish(乱码的)toeverycomputerexcepttheonewearesendingthenumberto.Lookfora“secureserver”optionbeforeenteringthecreditcardnumberonlineandthePINnumbers.Second,useanti-virussoftwaretoguardyourcomputerfrombeinghacked.Third,whenyourcomputercrashesdown,askhelpfromtheofficialmaintenanceservicedepartment.Dontgivethecomputertothepersonthatcannotbetrusted.,.,PartB,1.surfv.tosearchthroughacomputernetworkforinformationorentertainment2.screenn.theflatsurfaceofacomputermonitoronwhichpicturesorwordsaredisplayed3.desperatea.nearlyhopeless4.exclaimv.tocryoutsuddenlybecauseofsurprise5.starev.togazeintently,esp.withwideopeneyes6.ambulancen.avehiclespeciallyequippedtotakeinjuredorsickpeopletothehospital7.crewn.allthepeoplewhoworktogether8.alarmcallemergencycall9.belinkedupwithtobeconnectedto10.ringup(chieflyBrE)totelephone11.NathenDees(男子名)12.SteffiMarks(女子名)13.HeilbronnatowninsouthwestGermany海尔布隆(德国西南部城市),TextNathenDees,.,1.Whatisthemainideaofthepassage?a.Ateenager,whilesurfingtheInternet,cameuponanemergencycallforhelp.b.AteenagerrespondedpromptlytoacallforhelpontheInternetfromastrangerfarawayandsavedherlife.c.AstudentsuddenlyfellillandsoughthelpontheInternet.d.Astudentwasverysick,butsheheldonuntilhelparrived.2.Inwhichcountrydoestheteenagerlive?a.Austria.b.Australia.c.Germany.d.Poland.3.Inwhichcountrydoesthestudentlive?a.Austria.b.Australia.c.Poland.d.Germany.4.Howdidtheteenagerfeelwhenhelearnedwherethestudentlived?a.Muchannoyed.b.Verymuchsurprised.c.Quiteexcited.d.Completelyshocked.,Exercise1,TextNathenDees,.,5.Whatdidtheteenagerdoafterhereceivedthemessage?a.Calledanambulancetothestudentshome.b.WentonwithhissurfingontheInternet.c.PutacalltoGermanythroughaninternationaloperator.d.Informedthestudentsparentsabouthercondition.6.Whatcouldbeinferredfromthestory?a.Theteenagerknewexactlyhowtoactinacaseofemergency.b.Theteenagerandthestudenthadbeenpen-friendsforsometime.c.Thestudentcouldfindnohelpfromherowncountry.d.Thestudentwouldhavebeenhealthyifshewerenotonline.,Exercise1,TextNathenDees,.,Exercise2,TextNathenDees,4Anemergencycallreachedanambulancecrewwherethestudentlived.2Nathenlearnedthatthemessagecamefromastudentfarawaywhohadtroublebreathingandmoving.5Nathenreceivedthestudentsthankssoonaftertherescuerscametoherhelp.Shewasfinallysafe.1NathenwassurfingtheNetforfunwhenhereceivedanurgentmessageforhelp.3Afterlearningaboutherhomeaddress,Nathenranguptheinternationaloperatorandaskedtheoperatortoputacallthroughtothestudentscountry.,_,_,_,_,_,_,_,_,_,.,TextNathenDees,OnawetSundaymorninginSydneylastyear,13-year-oldNathenDeesswitchedonhiscomputer.HewassurfingtheNet,lookingforsomeonetotalkto,whenhesawamessageonhisscreenfromagirlnamedSteffiwhowasonline:“H-E-L-P”“Whatsthematter?”Nathentyped.“Icantbreathe.Helpme!”camethedesperatereply.“Isthisagame?”askedNathen,ratherannoyed.“No,itisnt.Imhavingtroublebreathing.Icantgetoutofmychair,”repliedSteffi.Thealarmcallwasnotajoke.SteffiMarkswasa20-year-olduniversitystudentworkingonahistoryprojectaloneinherhouseinHeilbronn,Germany.WhilesurfingtheNetforinformation,shefeltasuddenpaininherlegs.Shetriedtogetoutofherchair,butshecouldntmove.Asthepainmovedtoherchestandmadebreathingalmostimpossible,shetypedhercryforhelp.,.,TextNathenDees,“Canyoucall000?”Nathanasked.Hewaitedandgotashockwhenherreplycame.“Whatis000?”000istheemergencyservicenumberinAustralia,butSteffididntknowshewaslinkedupwithanAustralian,andNathenhadntrealizedtillthenthathewastalkingtosomeoneoutsideAustralia.“Whereareyou?”heasked.Therewasalongpauseandfinallythelettersappeared,“Heilbronn,Germany.”Nathenexclaimedinsurprise.Hestaredatthescreen.Someoneinacountryfarawayneededhishelp.“Dontworry.Illgethelpforyou.”Nathentypedback.“Whatsyourhomeaddress,Steffi?”,.,TextNathenDees,Steffisentbackheraddressandaddedthatthepainwasgettingworse.NathenquicklyranguptheinternationaloperatorandaskedtobeputthroughtoGermany.HeexplainedthesituationtotheoperatorthereandgaveherSteffisaddress.Thenhetypedback,“Holdon,Steffi.Helpisnowontheway.”Hewaitedanxiouslyforareply.Meanwhile,inHeilbronn,anambulancecrewgottheemergencycallandspedtowardstheaddresswithtwopoliceofficers.OnceatSteffishouse,theybrokedownthedoorandfoundheringreatpainoverthekeyboard.Shewasable,however,towriteonemorethingtoherAustralianrescuer.ThemessageNathenhadbeenwaitingforfinallyflashedontothescreen.“Theyarehere.Thanks.Bye.”Steffiwasfinallysafe,thankstoayoungboyontheothersideoftheworld.,.,SpeakingTasks,Conversation1,A:Whatdoyouthinkofyouruniversity?B:Itsthebest,Ithink.A:Really?B:Yes.Ourcampusisverybeautiful.And,ontopofthat,ithasaverymoderninformationcenterwithlotsofcomputerswithInternetaccess.Wecanusethemforworkandplay.Thatsreallyfantastic!A:Imgladyoulikeit.ButyoudbetternotspendtoomuchtimeontheInternet.B:Ofcoursenot.Istillhavetoeatandrest.,.,SpeakingTasks,A:Whatareyoudoingnow,Tom?B:Imdownloadingsomesoundandvideoclipsfromawebsite.A:Theyrethelatestreleases,Isuppose.B:Yes.HarryPotterandtheDeathlyHallows.A:Really?Oh,thatsterrific!Idliketoseethatmovie.B:Areyouonlinetoo,Susan?A:Ofcourse.B:Thenyoucandownloadtheclipstoo,youknow.A:Well,butIlikechattingwithpeopleontheWebmore.Wetalkabouteverything:sports,books,moviesandevenromance.Itsarealpleasure.B:Yeah,thatmustbefun,too.,Conversation2,.,PartCTestYourListening,1.Whatarethetwospeakersdoing?a.TheyrehavingachatabouttheInternet.b.TheyaretalkingabouthowtousetheInternet.c.OneisinterviewingtheotherabouttheuseoftheInternet.d.TheyaretalkingaboutthedifferencebetweentheInternetande-mail.2.MostlyforwhatdoesthemanusetheInternet?a.Chattingonline.b.Findinginformation.c.Joininginnewsgroups.d.Lookingthroughlibraries.3.Howoftendoesthemangoonline?a.Twoorthreehoursaweek.b.Aroundfourtoninehoursaweek.c.Lessthanthreehoursaweek.d.Aboutfourhoursaweek.4.Whatdoyouknowabouttheman?a.HeknowsitsimportanttolimithimselfinusingtheInternet.b.HecantusetheInternetatdaytime.c.HecantresistthetemptationoftheInternet.d.HeisonlyabeginninguseroftheInternet.,.,PartCTestYourListening,W:WhendidyougetstartedontheInternet,David?M:Oh,aboutayearago.Iwasdoingalotofe-mailandIgotstartedthroughthatreally.M:SotheresadifferencebetweentheInternetande-mail?M:Yeah,e-mailisjustlikehavingamailboxinyourcomputerandtheInternetislikethebiggestresearchlibraryintheworld,buttheresmorethanthat.W:Well,tellmeabitmoreaboutthat.M:OK.BasicallytherearethreethingsyoucanusetheInternetfor:findinginformation,joininginnewsgroups,andchattingonline,likeonatelephone,onlyyoutypeyourmessagesratherthansaythem.W:Andyouuseitforallthree?M:Notreally.Iuseitmostlyforfindinginformation,youknow,lookingthroughuniversitylibraries,thingslikethat.W:Uhhuh.M:AndIchatonlinewithmybrotherinNewYork.W:Whydontyoujustcallhim?,.,PartCTestYourListening,M:Well,itsalotcheaper.W:Howoftendoyougoonline?M:Letmesee.Itrytolimitmyself.IguessIuseitabouttwoorthreetimesaweekforaboutacoupleofhourseachtime.Ihavetostopmyself.Theresthisrealtemptationtojustbrowse,youknow.W:Andwhendoyouuseit?Doyouhavearegulartime?M:Actuallylikealotofpeople,Iuseitatcheapratetimes,earlyinthemorningorlateatnight.W:Isee.Andonemorething,doyouhaveanytipsforanyonewhomightbeinterestedinusingtheInternet?M:Yeah,IguessIcouldsayafewthings.Definitelyonlyuseitatcheapratetimes.Thatsthefirstthing.Andtrytolimityourtime.Anddontgetsidetracked.W:Thanksforjoiningus,Dave.M:Thankyou.,.,PartCTestYourListening,WhendidyougetstartedontheInternet?,Howoftendoyougoonline?,Doyouhavearegulartime?,Andonemorething,doyouhaveanytipsforanyonewhomightbeinterestedinusingtheInternet?,.,TimetoTalk1,A:inventions,connecthisnotebookcomputertotheInternet,avastamountofinformationavailableontheInternet,workathomeviatheInternetB:“Enter”key,tiedaroundaglobe(地球仪),smaller,globalvillage,simpleandconvenient,.,TimetoTalk1,A:TheInternetisperhapsoneofthegreatestinventionsofthemoderntime.Ithasrevolutionizedthewaypeoplework,liveandeventhink.Thefirstpictureshowsabusinessmaninhishotelroom,connectinghisnotebookcomputertotheInternettoreceiveandsendinformation.TheresavastamountofinformationavailableontheInternet.PeoplecanevenworkathomeviatheInternet.,B:Thesecondpictureshowsan“Enter”keyandlotofotherkeyswhichareencircledbyaglobe.ItshowsusquiteclearlyandvividlyhowtheInternetismakingourworld“smaller”.ThisindicatesthattheInternethasshrunktheworldintoaglobalvillage.Thingscanbedonesimplybypressingthe“Enter”key.,.,TimetoTalk2,sittinginfrontofacomputer,womanonthescreen,talkontheInternet,avideocamera(摄像机),theso-calledInternetvideophone,eventhoughtheyarethousandsofmilesapart,Thispictureshowsamansittinginfrontofacomputer.Onthescreen,weseeawomanisusinghernotebookcomputer.ApparentlythemanistalkingtoherthroughtheInternetastheresavideocameraonthetable.Thisistheso-calledInternetvideophone.Withthisdevice,thewomanandthemancanseeandtalktoeachothereventhoughtheyarethousandsofmilesapart.,.,TimetoTalk3,advertisementabout“InternetEnglish”,anon-lineEnglishcourse,alreadymanywaystolearn,anewway,anytime,anyplace,atonesownspeedoflearning,offeravarietyofprograms,forpeo