step-by-step3000第三册unit7答案及原文

Unit7Communications(I)PartIWarmingupA.Tapescript:1.AndBritishpapersreportthelatesttrendwhenyoumeetsomeoneinabaristogettheirnumber,gohome,andgooglethem.Yesthatgorgeousgirlorguyyoumettheothernightisprobablypatrollingasearchenginerightnowtocheckyouout.Sodon'teventhinkoftryingtotellthemyou'reafamousfootballerorbrainsurgeonortelevisionpresenter.2.Thejamming,earlierthismonth,ofseveralpopularInternetsiteswithafloodofcripplingmessagessentawakeupcalltothoseinvolvedwithelectronicore-commerce.Onerecentsuggestionistoformanindustry-widegrouptoshareinformationaboutsecurityissues.High-techexecutiveswanttomakeacoordinatedefforttoensurethattheInternetbecomesasafeplacetoconductbusiness.3.Nowhometosome800millionpages--afigurethat'sdoublingeachyear-searchingtheInternetcanbelikelookingforaneedleinahaystack.ButOslo-basedFastSearch&Transfer(FAST)hasdevelopedasearchengine()capableofscanningmorethan200millionpages.FASTisworkingonamega-searchenginethatsearchesalltheweb,allthetime.4.Thisweek,theIntelcorporationhelditssemi-annualDeveloperForuminPalmSprings,California.Thegatheringdrawsmorethan2,000hardwareandsoftwaredevelopersfromaroundtheworld.Intelexecutivesopenedtheeventwithademonstrationofahigh-speedchip,code-namedWilliamette.Thechip,designedtopowerpersonalcomputers,hasaspeedofonepointfivegigahertz,makingitalmosttwiceasfastasIntel'spopularPentiumIIIchipwhichrunsat800megahertz.5.AnonlineVCRseemslikeabrightideabutit'sbeenquicklyrenderednon-functionalbythecopyrightlawyers.Notforthefirsttime,theHollywoodstudiosobjectedtore-transmittingnetworktelevisionshows,inthiscaseforuserstowatchviatheweb.ProgramswerebeingmadeavailableforvisitorstosaveremotelyorrecordforsubsequentviewingviaWindowsMediaPlayer.B.NationalGeographic:nHelpingchoosethemagazine'scovernInterviewingthephotographersnShowingmorepicturesnProvidingzipU.S.A.HungerSite:nHelpingalleviateworldhungernDonatingcontributionstotheUnitedNationsWorldFoodProgrameachtimeanindividuallogsontothesitenTotalvalueofdistributedfood:approximately$400,000AskJeevesSite:nAskingquestionsinsimpleEnglishnGettingdirectanswersnStartingyear:1997nQuestionsdealtwithsofar:morethan150millionTapescript:1.NationalGeographic,themagazine,hasredesigneditswebsitewithsomenewfeatures.Amongthem,anopportunityforreaderstohelpchoosethemagazine'scover,interviewswithNationalGeographicphotographers,andlotsandlotsofpictures.Morepicturesinfactthantherewasroomforintheprintversion.There'salsoZipU.S.A.,thefeatureyoucanfindbothonlineandinprint.It'safocusedlookatonezipcodeintheU.S.2.Now,there'sawebsitecreatedtohelpalleviateworldhungercalledtheHungerSite.Contributions,generatedwhencomputerusersvisitthesiteontheWorldwideWeb,aredonatedtotheUnitedNationsWorldFoodProgram.Thebeautyofthesiteisthatwhenthewebsurferclickson,theydon'tpayapenny.ThisisAbbySpring,aWorldFoodProgramofficial.ShesaysthatfundstopurchasethefoodcomefromcorporatedonorswhomakeafinancialcontributioneachtimeanindividuallogsontoHungersite--that'soneword--dotcom.Abbyspringsaysthatsofar,thankstoHungersitedotcom,theWorldFoodProgramhasbeenabletodistributefoodvaluedatapproximately$400,000.3.TheAskJeevesSiteontheInternetisoneofthemostusefulInternetsitesforaskingquestionsinsimpleEnglishandgettingdirectanswers.Askmostsearchenginesaquestionthesedaysandtheywillreturnaresultwhichgivesthousandsofpagesforyoutosearch.TheAskJeevesSitegivesyouhalfadozenwhereyoucanfindtheexactanswer.TheAskJeevesSiteownerssaytheyhavedealtwithmorethan150millionquestionssinceAskJeeveswassetupin1997.Justthismonth,peoplewereaskingJeevesthefollowingquestions:Whatarethelatestscoresforbaseball?WhatistheaddressofthewebsiteforCoca-Cola?WherecanIfindalistofairfaretravelbargains?Tellmethenamesofthetop20universitiesandcollegesintheU.S.PartIINewWaystocommunicateA11.Whenafriendisonline2.1.6milion3.3,0004.youcanonlycontactsomeone(onthesamenetworkasyou.)usingthesameprogram5.laughoutloud.A2Online/popular/takeoff/signingup/by/makeupObvious/oneveryimportantdisadvantage/bright/voiceconverstation/swap/funnyWhenyoumeetsomeoneforthefirsttime，doyouasktheirASL?DoyouLOLiftheycomeoutwithsomethingfunny,andsayCUL8erwhenyoufinishtheconversation?IfyouknowwhatI’mtalkingabout,thenyouareprobablyalreadyauserofinstantmessaging,orIM.TheideabehindIMissimple.Aprogramonyourcomputertellsyouwhenafriendisonline.Youcanthensendamessagetoyourfriend,whocantypeareplyinstantly.Todothis,youneedanIMprogram.Worldwide,AIM,theinstantmessagingserviceprovidedbyAOL,isbyfarthemostpopular.Ithas195millionuserswhosendabout1.6billionmessageseveryday.ICQ,whichisownedbyAOL,hasabout140millionmessengers,andMSNandWindowsIMmakeupabout75millionusers.Theadvantageovere-mailisthatwithinstantmessagingyouknowyou’relikelytogetareply.IMisalreadyhugelypopularintheUSA,wherepeoplespendfivetimesmoretimeonlinethaninEurope.However,IMisstartingtotakeoffintheUK,withover3,000peoplesigninguptoMSNMessengeraloneeveryday.WhilethepluspointsofIMareobvious,thereisoneveryimportantdisadvantage:youcanonlycontactsomeoneonthesamenetworkasyou.IfyourfriendisusingAIM,andyouareusingMSN,youcan