新视野大学英语视听说教程第一册答案Unit9

II.ListeningSkillsMakingCalculations1.W:Itsoundsexpensive.Whydidtheychargeyousomuchforrepairingthecomputer?M：Well,it’s$25forlabortostartwith.Anewmoderncostanother50bucks.OntopofthatIneededanewbattery,anditcost$17.Q:Howmuchdidthemanspendaltogetherfixinghiscomputer?2.W:HowlongareyouontheInterneteveryday?M：Aboutthreehoursaday.IpromisedDadtocutthatinhalf,buttheInternetissoslow.Q:HowmuchtimehasthemanpromisedtospendontheNeteveryday.3.W:Wheredidyougetallthesee-mails?M：Igottenmessagesfromclassmates,oneaboutanassignmentandonefrommybrother.Fivewerespam,theannoyingstuffthatcomesatalltimes.Q:Howmanye-mailmessagesdidthewomangetaltogether?4.W:IttakestwiceaslongtoopenmyHotmailnow.Ineedoveraminutetoseemymail.IstheproblemHotmailortheISP?M：ForgetHotmail.Igete-mailthroughalocalproviderintenseconds.Tryit.Q:Howlongdiditusetotakethemantogethismail?5.W:Talkingaboutcomputer,what’sthemeaningofPentium4andclockspeed?M：Imaginetheprocessorofacomputerasabus.ThehigherthePentiumnumber,thelargerthethebusandthemoreinformationitcancarry.Clockspeedtellshowfastdataareprocessed.Aclockspeedof100ishalfasfastasaspeedof200.Q:Howmuchfasterisaclockspeedof200thanaclockspeedof100?1.D2.C3.A4.B5.CIII.ListeningInTask1:TheInternetonCampusTheInternet,aworldwideinformationnetwork,isusedatuniversitiesmainlyasaninformationsupplysource.StaffsupplyinformationviatheInternetandstudentsmayaccessitoranyotherpubliclyavailableinformation.TheInternetisalsousefulforstudentstocommunicatewithstaff.Teachersmaypresentlecturematerialsinlecturehalls,andatthesametime,theycandistributethematerialsforstudentstoaccessfromanylocationatanytimeviatheircomputer.Suchmaterialsarepreesentedmainlyintheformoftext,stillpicturesandhypertextlinks.Studentsfindthisvaluableandrelevanttotheirneeds.Iftheymustmissalecture,studentscanstillkeepuptodate.Staffusersmayputupnoticesofconferences,maintainprofessionalcontacts,andcommunicateandconductdiscussionswiththeircolleaguesorstudents.Students,ontheotherhand,aretaughthaowtousetheInternetasanindividualproductivitytoolinseveralcourses.1.A2.D3.A4.A5.CTask2:SurfingtheNetW:HiBryan.Hareyoudoing?Youlooktired.M：Oh,I’malittleburntout.I’vebeensurfingtheNetforthelastfewhours.W:Wereyoudoingschoolwork,orwasitjustforpleasure?M：Well,IwantedtogetsomeinformationonSouthAmericaforaprojectIhave,butIfoundareallyinterestingchatsitewithpeoplefromthereandstartedchatting.W:Well,didyougettheinformationyouneeded?M：Yes,butthenwespentlotsoftimechattingaboutotherinterests.W:Isee.TheInternetisawonderfulplace.Thereissomuchinformationavailable.Icompletelyunderstandhowyoucangetdistracted.SometimesIfindmyselflookingforonepieceofinformation,butbythetimeIamfinishedIhavealotmorethanIstartedofflookingfor.M：Iknow.OnethingIreallydon’tlikeaboutit,though,isittakessomuchlongertofindthings,becausemanysitesareuseless.W:Yes,there’sthat,andalso,Ioftenfindthesamesiteoverandoveragaininasearch.Thatdefinitelywasteslotsofmytime.M：And,ofcourse,therearesitesthatofferlittletonorelevantinformationonthetopicyouaresearchingfor.Inmysearchtoday,Ifoundquiteafewsitesthatwerenothingmorethanoldlocalnewsarchivesandeventcalendars.W:Well,I’msuretheywereusefultosomeoneatsometime,buttheyshouldberemovedwhenthey’renolongerofusetoanyone.M：Iagree.WithallthetimeIspndonit,Istillfindittobethebestsourceofinformationavailable.Andspeakingofinformation,IreallyshouldreadthroughwhatIgotontheInternetandstartworkingonmyproject.W:Okay.Goodluck.It’sfunnywehadthischat,asIwasjustonmywayhometosurftheNetmyself.M：Well,itwasnicetalkingtoyou,andmaybeI’llmeetyouinachatroomlatertonight.1.SurfingtheInternetforthelastfewhours.2.SomeinformationonSouthAmericaforaprojecthehad.3.Becausethereissomuchinformationavailable.4.Ittakessomuchlongertofindthingsbecausemanysitesareuseless.5.Shethinkstheywereusefultosomeoneatsometime,buttheysgouldberemovedwhenthey’renolongerofusetoanyone.Task3:InternetAddictionOvertheyears,studieshaveshownthatit’spossibletobecomeaddictedtotheInternet.Actually,collegestudentsaremostlikelytohavetheaddictionbecauseofmanyfactors.Difficultyinadaptingtolifeawayfromhome,andcertainpsychologicalproblemslikedepressionorsocialanxietyareamongthemainreasons.CollegestudentshavelotsfreetimetospendandmanyofthemaresuppliedwithfreeInternetaccessandacomputerintheirdoorms.It’sreallyeasytogetaddicted.Walkingthroughthecomputerlabs,youaremostlikelytofindstudentschattingorsurfingontheInternet.Therearenotjustsome,butmanystudentsnotreallydoinganythingrelatedtoschoolwork.Theyarespendingfartoomuchtimeonline,whichmaydoharmtotheirschoolworkandotheractivities.Asaresult,somehavebeenacademicallydismissed,andothersareeveninthedangerzonefordevelopinganaddictionneedstobeaddressednowasaseriousproblemoncollegecampuses.likelyadaptingpsychologicalaccessdormschattingrelateddismissedgamblingTask4:ABriefIntroductionhonoredasourguestcomputerhackingprotectbooksandarticlesmisuseNewThreatstoSecuritywakeyourinterestIV.SpeakingOutFocusingAttentionModel1AsfarasI’mconcerned,…NowYourTurnNicole:Hi,Chris!What’sup?Christopher:ThedamnedInternetisdownagain.Seemslikeit’salwaysdown.WhatdoyouthinkIshoulddo?Nicole:Ifuouaskme,youjustneedtohaveyourconnectionchecked.Christopher:Maybeyou’reright.But,totellthetruth,whatIreallyneedistohavemyowncomputer.Nicole:Why?AsfarasI’mconcerned,that’snotnecessarywhenyou’relivingoncampus.Model2InmyopinionAshley:HeyMike,whatareyoudoingonline?Michael:Well,I’mgettingsomeideasformytermpaper.Ashley:Ideas?Well,Ipersonallythinkweshouldthinkforourselves.Michael:It’seasiersaidthandone!WorkingwiththeInternetismuchfaster,youknow.Ashley:But,inmyopinion,that’saformofplagiarism.Michael:Comeon,Ashley.Ineverquotethepassages;Ijustusetheirideas.Model3AsISeeit,…Maria:I’vegottodotwoassignmentsthisweek,buttheInternetisnotalwaysatimersaver.Jessica:SearchingontheInternet?Don't’tyouthinkit’shardtofindtherightinformationforyourassignments?Maria:No,justtheopposite.There’stoomuchinformation.Istartlookingforonething,andseesomethingelse.BeforeIknowit,I’mcompletelyofftopic.Jessica:Well,asIseeit,youshouldfocusonwhatyouaredoingandnotgetdistracted.Maria:But,thepointisthatit’sveryhardtostayononetopicwhenothertopicskeepflashingandjumpingoutatyou!V.Let’sTalkAnne:John!You’replayingcomputergamesagain?John:Hi,darling.I’mjustsurfingtheNet.Anne:Oh,mygosh!You’rebecomingaNet-addict!John:Comeon,Anne.IfindtheInternetveryuseful—Icanfindanything.WantmetosearchforthenumberofNet-addictsinAmerica?Anne:John,youspendmoretimeontheNetthanwithme.It’skindofunhealthy!John:Unhealthy?Here,justfeelmymuscles.IlikeAtlas—IcanlifttheworldwiththeNet.Anne:Stopjoking,John.Youspendhoursclosedupinyourroom,withjustyourcomputerforcompany,likearecluse.Itisasifyoulivedinacomputer!John:Notreally.IamintouchwiththeworldthroughtheWeb.Anne:Butitisnotthesame.Youneedtointeractwithpeople,playrealgames,andenjoynature.Yourvirtualworldisaformof…of…escapism.John:Therealworldcouldusesomeescapingform,don’tyouthink?Anne:Youknow,John,itisnotjustyou;mostyoungpeople—evenchildren—spendsomuchtimeontheNetthatitisnotonlyaffectingtheireyesightbutalsotheirpersonalities.Theyarebecomingunsociable…John:Anyway,lookatthepositiveside:theamountofusefulinformationavailableontheWebisamazing.Anne:Iknowthat.AslongastheInternetisonlyavirtualgirlfriend,Iwon’thavetoworryaboutit.John:2,4,6,8Anne:1,3,5,7ForReferenceaA,sayhellotoBandaskwhatheisdoingonline.Hi,Brian.You’reonlineagain!Searchingforsomething?B,respondtoA’sgreetingandanswerhis/herquestion.Hello,Vivian.I’mplayinggames.It’sthrilling!A,showyourconcernforBbylisteningsomedia=sadvantagesofNetaddiction.Comeon,Brian.You’vespenttoomuchtimeonline.Haven’tyoueverworriedaboutyourstudy?YouraddictiontotheNetwillspoilyou!B,accountforyourNetaddictionbylistingsomeconveniencesandexcitementtheInternetbringstoyou.Don’tbejoking,Vivian.TheInternetissoconvenient,andyoucandoeverythingonit.Ienjoyplayinggamesonline.It’sreallyexciting!bA,greetBandaskwhatheisdoing.Hi,Dave.What’reyoudoing?Seemsyou’redoingeditingwork.B,respondtoA.Well,IjustdownloadedanessayfromtheNet,andhavegottomakesomechangesformyliteratureclass.A,makecommentsonB’spractice.What?Downloadedanessay?Areyoucrazy?We’resupposedtowritepapersbyourselves.B,trytojustifyyouract.Soundseasy!ButIdon’thavethetime.Besides,I’mnotintoliterature,youknow.VI.FurtheringListeningandSpeakingListeningTask1:TheOriginoftheInternetThestoryoftheInternetbeginsinthelate1950s.TheSovietUnionlaunchedSputnikin1957.ThePentagonsetuparesearchteamin1958tocreateacomputernetworktooperateduringdisasterslikeanuclearwar.TheresultingnetworklinkedU.S.scientificandacademicresearchers.ItgrewintotheWorldWideWebortheInternetthatbecamethenetworksystemoftheInformationAge.In1985,theNationalScienceFoundationcreatedanetworkwhichprovidedafreenationalservicetoanyU.S.researchandeducationinstitution.Later,largecorporationsbegantobuildtheirownnetworks.AllthosenetworksfinallyjoinedthePentagon’snetworktoformtheInternet.Bythe1990s,anyonewithacomputer,amodern,andInternetsoftwarecouldlinkuptotheInternet.Inthefuture,theInternetwillprobablygrowmorecomplexandbecomepartofalargernetworkcalledtheinformationhighway.Withthatpeoplecouldbank,shop,watchTV,andperformmanyotheractivitiesonline.Task2:TheInternet—ASmallTownTheInternetisaglobalnetwork,butinmanywaysit’slikeasmalltownwithsimilarservicestooffer.Thereareelectronicpostofficestosendandreceivee-mail,functioningsomewhatmoreefficientlythanthePostOfficeweknow.Therearelibrariesofinformationthatstayopen24hoursadaywithmillionsofbooksanddocumentstobrowseorsearchthroughontheWorldWideWeborWWW.Youcanalsoenjoyreal-timetext-basedcommunication,usingwrittenorprintedmaterialtocommunicatewithothersimmediatelyandalmost“facetoface”.Localcoffeeshopsareseenintheguiseofchatroom,withpeopledroppingbyatallhoursofthedayandnighttosocialize.Onlineeducationandtrainingisavailablejustasitisina“bricksandmortar”universityorschool.Onlinebankingoffersyoualltheservicesavailableatyourlocalbank,withoutfearingtobemuggedatanATM.Youcanbuyalmostanything,listentoyourlocalradiostationordoyourgroceryshopping.Indeed,theInternetisyourtowninabox!Task3:Ifonlylifecouldbelikeacomputer!Togetyourdailyexercise,justclickon“run”!Ifyouneedabreakfromlife,clickon“suspend”.Hit“anykey”tocontinuelifewhenready.To“add/remove”someoneinyourlife,clicksettings.Toimproveyourappearance,justadjustthedisplaysettings.Whenyouloseyourcarkeys,clickon“find”.Youcouldclickon“send”andthekidswouldgotobedimmediately.Tofeellikeaperson,clickon“refresh”.Clickon“close”toshutupthenoises.Toundoamistake,clickon“back”.Isyourfurnituregettingold?Click“update”.Ifyoumessedupyourlife,youcouldpress“Alt,Ctrl,Delete”andstartallover!Speaking1.F2.T3.T4.F5.T