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Information channeling is undergoing remarkable progress in various sectors of society in industr...
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Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Informationchannelingisundergoingremarkableprog
Directions: Readthefollowingtextcarefullyandt
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TheReaderhaslongbeentheblacksheepoftheEFLclassroom.TeacherseitherignoreReadersorneglectandabusethemfailingtorecognizetheirlearningpotential~Thereasonforthiscannolongerbelaidatthedoorofthepublishers.Nowadaysavastrangeofmaterialisproducedsuitableforallinterestsagerangesandabilitylevels.Itismoreprobablytheattitudeoftheteacherandthusthestudentwhichisresponsible.AreanyofthefollowingclosetoyourownattitudeorfamiliartoyoufromconversationswithcolleaguesReadersareanexpensiveluxury.Theschoolcannotaffordthem.Otherthingsmustcomefirst. 46Iamtryingtogetthroughafairlydensesyllabustoequipmystudentsultimatelyforexaminations;Icannotsparethetimeforfrills.Readingforpleasureisaprivateandpersonalthing.!cannotseehowthiscanbeusedintheEFLclassroom.47IunderstandthatextensivereadingforpleasurecanonlyimprovelanguagebutIhavenowayofcheckingthatlearninghastakenplaceotherthancomprehensionquestions.Theseactivitiesreducethepleasure. TheaboveareexplanationsexcusesreasonsandjustificationsfromteacherstalkingaboutthescantuseofReadersintheclassroom.Theircommentsillustratethreeviewsprevalentatpresent.48FirstthatteachersfeelthattimesparedforReaderswillinsomewaydeprivetheirstudentsofcertainkeylanguageskillsandabilities.Secondthoseteachersarefosteringorevenpanderingtostudents’reluctancetoreadforpleasure.49FinallythoseteachersareunawareofhowtouseandexploitReadersintheirclassroomsandthereforeprovidealimitedrangeofactivitieswhichinturnlimitstheresponsesoftheirstudents.50IfteacherstakeReadersintoclassroomwithanyoneoracombinationoftheaboveattitudesthiswillbeimpartedtothestudentswhowillthenalsobelievethatReadersarepreventingthemfromdoingsomethingmoreimportantandareawasteofvaluablelearningtime.Theyreadonlytoenablethemtoansweracomprehensiontask. Itisuptotheteachertoconvincethereluctantreaderthatreadingeitherextensiveorintensiveispleasurable.Onlyoneofmanywaysofobtainingpleasureistobeabletoanswertheteachers’comprehensioncheckquestionsthefollowingday.Theworldofreadingwillremainandstillbeasinaccessibleasevertothestudent. FinallythoseteachersareunawareofhowtouseandexploitReadersintheirclassroomsandthereforeprovidealimitedrangeofactivitieswhichinturnlimitstheresponsesoftheirstudents.
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.1
AllU.S.nuclearweaponsproductionfacilitiesarepresentlycloseddownandifthevariousagreementsareadheredtothosefacilitieswillneverberequiredexceptforonecriticalcapability.Allmodernnuclearweaponsuseuranium铀plutonium钚andtritium氚.Uraniumandplutoniumhaveverylonghalf-livesandthereislargesurplusofthesematerials. Tritiumhoweverhasarelativelyshorthalflifeofabout12.6yearssoabout5percentoftheamountonhandmustbereplacedeachyeartomaintainthecurrentinventory.46BecauseofthelargeretirementofnuclearweaponsbytheUnitedStatesincompliancewithearlyagreementsandnationalpolicytritiumfromretiredweaponshasbeenusedtomakeupthatlostthroughnaturaldecay.47Howeverinabout10to15yearsdependingonfuturenegotiationstheUnitedStateswillneedaguaranteedsupplyoftritiumtomaintainitsstockpileatwhateverlevelisagreedon. InanticipationofthisfutureneedtoproducetritiumDefenseOfficeExecutiveispursuingtwotechnologies.Oneusesanuclearreactorthatcouldalsoproduceelectricitywhosesalewouldrecovernotonlythecapitalcostofthereactorbutalsoitsannualoperationalcost.48UnfortunatelythepresentAdministrationhasadefinitebiasagainstnuclearpowersoanalternativemethodisalsobeingpursuedeventhoughitisagreedthatitwillcosttwiceasmuchasareactoranduseasmuchelectricityasareactorwouldproduce.Thistechnologyusesanacceleratortoproducehigh-energyprotonsthatinturnproduceneutrons. Themainargumentfortheacceleratoristhatitproducesnoconventionalnuclearwastes.49Proponentsreadilyadmitthatitwillproduceradioactivematerialsbutwitharelativelyshorthalf-lifecomparedwiththatofwastesfromspentnuclearfuel.Thefactthattheacceleratorwillrequiretheequivalentofanuclearpowerplanttosupplyitselectricityisignored. 50Proponentsalsoneglecttomentionthatabout22percentofallelectricalenergygeneratedintheUnitedStatescomesfromnuclearpowerplantssothat22percentofthepowerusedbytheacceleratorwillgenerateconventionalnuclearwastesinadditiontothosetheacceleratorproduces.ThereisanalternativetoeitherthereactorortheacceleratorwhichissimplytobuytherequiredtritiumfromCanadaorRussia. Proponentsreadilyadmitthatitwillproduceradioactivematerialsbutwitharelativelyshorthalf-lifecomparedwiththatofwastesfromspentnuclearfuel.
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.5
KingRichardIIIwasamonster.HepoisonedhiswifestolethethronefromhistwoyoungnephewsandorderedthemtobesmotheredintheTowerofLondon.RichardwasasortofAntichristtheKing--thatbottledspiderthatpoisonousbunchbackedtoad.AnywaythatwasShakespeare’sversion.Shakespearedidwhattheplaywrightdoes:heturnedhistoryintoavividarticulateorganizeddream-repeatablenightly.Heputthecrouchbackonstageandsoldtickets.AndwhowouldsaythattherealRichardknowntofamilyandfriendswasnotidenticaltoShakespeare’smemorablyloathsomecreationTheactualRichardwentdimmingintothepastandvanished.Whenalltheeye-witnessesaregonetheartist’simaginationbeginstotwist.VariationsontheKingRichardEffectareatworkinOliverStone’sJFK.RichardIIIwasartbutitwaspropagandatoo.ShakespearetookthedetailsofhisplotfromTudorhistorianswhowantedtoblackenRichard’sname.SeveralcenturiespassedbeforeotherhistoriansbegantowriteaboutRichard’svirtuesandsuggestthathemayhavebeenavictimofTudormaliceandwhatisthecleverestconspiracyofall:art.JFKisalongandpowerfulharangueaboutthedeathofthemanStonekeepscallingtheslainyoungking.WhataretherulesofStone’sgameIsStonefunctioningascommercialentertainerPropagandistDocumentaryfilmmakerHistorianJournalistFantasistSensationalistCrazyconspiracymongerLoneherocrusadingforthetruthagainstacorruptEstablishmentAnswer:someoftheabove.ThefirstsuperficialeffectofJFKistoraiseangrylittlescrupleslikeweltsintheconscience.Wouldn’titbeabsurdifagenerationofyoungerAmericanswithnomemoryof1963weretoformtheirideasaboutJohnKennedy’sassassinationfromOliverStone’sreportofitButworsethingshavehappened--includingperhapstheWarrenCommissionreportStoneusesasuspectmixedartformandJFKraisesthefamiliarethicalandhistoricalproblemsofdocudrama.ButsowhatArtistshavealwaysusedpubliceventsasrawmaterialhavetakenhistoryintotheirimaginationsandtransformedit.ThefallofTroyvanishedintotheIliad.TheBattleofBorodinofounditsmostmemorablepermanenceinTolstoy’simaginingofitinWarandPeace.Especiallyinaworldofinsatiableelectronicstorytellingrealhistoryprocreatesendlesslyconjuringnewversionsofitself.Publiclifehasbecomeametaphysicalbreederoffictions.Watergatebecameanalmostcontinuoustelevisionminiseries--althoughitisinterestingthatthemovieofWoodwardandBernstein’sAllThePresident’sMenstayedclosetotheknownfactsandunlikeJFKdidnotvalidatedarkconjecture.ThewordharanguePara.5connotes
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.19
KingRichardIIIwasamonster.HepoisonedhiswifestolethethronefromhistwoyoungnephewsandorderedthemtobesmotheredintheTowerofLondon.RichardwasasortofAntichristtheKing--thatbottledspiderthatpoisonousbunchbackedtoad.AnywaythatwasShakespeare’sversion.Shakespearedidwhattheplaywrightdoes:heturnedhistoryintoavividarticulateorganizeddream-repeatablenightly.Heputthecrouchbackonstageandsoldtickets.AndwhowouldsaythattherealRichardknowntofamilyandfriendswasnotidenticaltoShakespeare’smemorablyloathsomecreationTheactualRichardwentdimmingintothepastandvanished.Whenalltheeye-witnessesaregonetheartist’simaginationbeginstotwist.VariationsontheKingRichardEffectareatworkinOliverStone’sJFK.RichardIIIwasartbutitwaspropagandatoo.ShakespearetookthedetailsofhisplotfromTudorhistorianswhowantedtoblackenRichard’sname.SeveralcenturiespassedbeforeotherhistoriansbegantowriteaboutRichard’svirtuesandsuggestthathemayhavebeenavictimofTudormaliceandwhatisthecleverestconspiracyofall:art.JFKisalongandpowerfulharangueaboutthedeathofthemanStonekeepscallingtheslainyoungking.WhataretherulesofStone’sgameIsStonefunctioningascommercialentertainerPropagandistDocumentaryfilmmakerHistorianJournalistFantasistSensationalistCrazyconspiracymongerLoneherocrusadingforthetruthagainstacorruptEstablishmentAnswer:someoftheabove.ThefirstsuperficialeffectofJFKistoraiseangrylittlescrupleslikeweltsintheconscience.Wouldn’titbeabsurdifagenerationofyoungerAmericanswithnomemoryof1963weretoformtheirideasaboutJohnKennedy’sassassinationfromOliverStone’sreportofitButworsethingshavehappened--includingperhapstheWarrenCommissionreportStoneusesasuspectmixedartformandJFKraisesthefamiliarethicalandhistoricalproblemsofdocudrama.ButsowhatArtistshavealwaysusedpubliceventsasrawmaterialhavetakenhistoryintotheirimaginationsandtransformedit.ThefallofTroyvanishedintotheIliad.TheBattleofBorodinofounditsmostmemorablepermanenceinTolstoy’simaginingofitinWarandPeace.Especiallyinaworldofinsatiableelectronicstorytellingrealhistoryprocreatesendlesslyconjuringnewversionsofitself.Publiclifehasbecomeametaphysicalbreederoffictions.Watergatebecameanalmostcontinuoustelevisionminiseries--althoughitisinterestingthatthemovieofWoodwardandBernstein’sAllThePresident’sMenstayedclosetotheknownfactsandunlikeJFKdidnotvalidatedarkconjecture.Itcanbeinferredfromthetextthatpubliclife
Eversincetheywerefirststagedin19thcenturyEuropeworld’sfairshaveenabledpeoplefromaroundtheglobetovisitwondrouspavilionswheretheycandiscoverdistantlandsandnewtechnologies.The2006world’sfairisnoexceptionbutitalsohasadecidedlynew-eratwist:thewholeeventhappensincyberspace.AnonprofitprojectdreamedupbyAmericansCarlMalamudacomputerconsultantandVintonCerfandInternetpioneerandtelecommunicationscompanyVicepresidenttheInternet2006WorldExpositionisadigitalworkinprogressamulti-chamberedforumthatcybernautscanhelpbuildandrenovatethroughouttheyear--andperhapslongafterthefair’sofficialcloseinDecember.Whilehigh-techpavilionssetupbysponsoringcorporationsarefeaturedprominentlyasinrealfairsthisvirtualexpositioniscloserinspiritandrealitytoavastbustlingbazaaramarketplaceforthetalentsandofferingsofthousandsofindividualsandsmallgroups.AnyonewithacomputerandamodemcannotonlyattendbutalsoparticipateasanexhibitorbycreatinganindividualmultimediaWebsite.Gettingthefairupandrunningwasbynomeanseasy.Malamud36spentthepastyearshuttlingamong30countrieslobbyingcompaniesthatinitiallydismissedtheprojectasunwieldyandunworkable.WhilesomenationsimmediatelysupportedtheideaotherscompletelymissedthepointofMalamud’svision:tomakethefairapublic-worksprojectthatfocusesonwhattheInternetcanofferexpertornovice.Oncegrass-rootsgroupsstartedbackingtheprojectthoughbusinesseswerenotfarbehind.Bydonatingequipmentandservicesthesecompanieswillgainaccesstomillionsofpotentialconsumerseagertoseethefirms’latesttechnologies.Sincetheexposition’sJan.1launchasmanyas40000visitorseachdayfrommorethan40countrieshavetriedthemajorWebsites.MostvirtualvisitorslogonfromtheU.SandJapanbuttheUnitedArabEmiratesSwedenSingaporeandEstoniahavebeenrepresented.Commentsloggedinthefair’sguestbookareoverwhelminglypositive.WowtheworldisshrinkingwroteavisitorfromtheNetherlands.Sincetheirinitialhesitancythemajorsponsors-primarilytelecommunicationsandsoftwarecompanies--havebecomefirmbelievers.Beyondthediversityofcontentandinternationalscopethefairisatechnologicalmarvel.ThefastestinternationallinkeverinstalledthispipelinecouldbethefirststeptowardlayingapermanentnetworkthatwilleventuallyhardwireeverynationintheworldintotheInternet.Theorganizershopethattheinfrastructure--andawareness-nurturedbythisexpositionwilllaunchaboominNetuse.Thetechnologicalfairisintendedbyitsorganizerstobe
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.7
[A]Theninthe1970ssciencebegantoshowthatthenurture--onlyviewwasindeedtoosimplistic-whichtriggeredabacklashfromtheleft.WhenresearcherslikeRichardHerrnsteinandE.O.Wilsondemonstratedthatgenesdoplayasignificantroleinhumanintelligenceandbehaviorforexampletheywerevilifiedbymanyoftheircolleagues.Andjustafewyearsagoaconferencedesignedtoexplorethegeneticrootsofviolencehadtobecanceledinthefaceofwidespreadcondemnation. [B]Butifyouthinkthiscompromisehasstoppedtheargumentsthinkagain.Scientistsandphilosophersarestillgettingsteamedupovertheissuebutnowthey’refightingoverpercentagesoverhowmuchofhumancharacterisshapedbygenesandhowmuchbyenvironment.AndaccordingtoStevenPinkeraprofessorofpsychologyattheMassachusettsInstituteofTechnologywecontinuetogivefartoomuchcredittothelatter.InanewbookTheBlankSlate:TheModernDenialofHumanNatureVikingPinkerarguesthatignoranceprejudiceandpoliticalcorrectnesshavekeptscientistsandthepublicfromappreciatingthepowerofourgenes. [C]ThebacklashwasunderstandablesaysPinker.Onceyousuggestthathumannatureisinanywayhardwiredit’seasierfortheunscrupuloustowriteoffentiregroupsasgeneticallyinferior-astheNazisdidwithJewsPolesandGypsies.Ifhave-notsaregeneticallylackingindriveorintelligenceorambitionwhat’sthepointoffightingpoverty [D]Thatechoed20thcenturyliberalsocialtheory:violencecrimeandpovertywerenotthefaultoftheviolentthelawlessandthepoorbutofsociety.Improvelivingconditionsandyouwillcurdtheproblems.Thesenotionsofcourseflewinthefaceofeverythingconservativeshelddear--theideathatthelowerclasseswereinherentlystupidandlazyforexampleandthatrehabilitatinglawbreakerswasanexerciseinfutilitywhichmayhavebeenpartoftheirappeal. [E]AnyonewhohasreadPinker’searlierbookswillrightlyguessthathislatesteffortissimilarlysweepingeruditesharplyarguedrichlyfootnotedandfuntoread.It’salsohighlypersuasive.TheviewthatenvironmentisparamountbeganhesayswiththephilosophersoftheEnlightenment:JohnLockeJean-JacquesRousseauReneDescartesandJohnStuartMill.Anditwasreinforcedinthe1950sbyHarvardpsychologistB.F.Skinnerwhosaidthatallhumanbehaviorwassimplyasetofconditionedresponses. [F]Inoneimportantsensetheargumentovernatureandnurturehasbeenresolved.Forcenturiesthenaturecampsaidthatpersonalitiesarebornnotmadethatourcharacterisprettymuchformedbythetimewepopoutofthewomb.Thenurturepeoplecounteredwiththemetaphorofthetabularasa:ourmindstartsoutasablankslateandit’showwearerearedthatdetermineswhatgetswrittenonit.Modernsciencethough--especiallyourfast-growingunderstandingofthehumangenome--makesitclearthatbothsidesarepartlyright.Natureendowsuswithinbornabilitiesandpersonalitytraits;nurturetakestheserawmaterialsandmoldsthemaswelearnandmature. [G]PlentysaysPinker.Compassionandaltruismwhichhethinksalsoareatleastpartlyhardwiredaregoodreasonstomakelifebetterforthosewhostartoutatadisadvantage.AndwhilePinkeralsoadmitsalbeitinalessstridentvoicethatenvironmentplaysasignificantpartinhowweturnoutheinsistsit’sjustnotthewholestoryandourgeneswhichhaven’tgotenoughrespectdoplaysignificantroles. 43
PartA Directions:Youalreadyhaveadatewithyourfriendbutsuddenlyhaveanotherthingtodoandyouhavetotellyourfriendthatyoucan’tgo.Expressyourreasonclearly. YouShouldwriteabout100wordsonANSWERRSHEET2.Donotsignyourownnameattheendoftheletter.Use"WangLing"instead.10points
FormonthstheJapanesesearchedfitfullyfortherightwordtodescribewhatwashappening.AttheBankofJapanthenation’scentralbankofficialsspokeofanadjustmentphase.PrimeMinisteradmittedonlytoadifficultsituation.TheEconomicPlanningAgencythegovernment’srecordkeeperreferreddelicatelytoaretreat.Thentwoweeksagoforthefirsttimesince1997theagencydroppeditsboilerplatereferencetotheexpansionfromitscloselywatchedMonthlyEconomicReportandthewordgamewasover.Japan’seconomytheworld’ssecondlargestconcededtheexpertswasinrecession.Thatadmissionconfirmedthehadnewsbusinessmenhadbeenreadingintheirspreadsheetsforseveralmonths.In2001onemarketafteranotherturnedbadsaysYoshihikoWakamotoseniorvicepresidentofToshibaCorp.whichnowadmitsthatitspretaxprofitsforfiscal2001endingMarch31maybedownawhopping42%.InAprilwhenmanyJapanesecompaniesannouncetheirresultsfor2001fiscalYearmostwillreportdecliningprofits.BluechipslikeSonyNECandMatsushitahaveallexperienceddropsofover40%inpretaxprofits.Japan’ssecurityhouseshitbydecliningcommissionsfromafallingstockmarketwillannounceevenmoredramaticdrops.NomuraSecuritiesonceJapan’smostprofitablecompanyistalkingaboutan80%declineinprofits.Automanufacturersbanksairlinessteelcompaniesdepartmentstores—allareinaslump.TechnicallywhatishappeningtotheJapaneseeconomydoesnotmeetAmericancriteriaforarecessionnormallydefinedasatleasttwoconsecutivequartersofnegativegrowth.WhileeconomicgrowthhasslowedinJapanithasnotceased.Governmenteconomistsarepredictinga3.5%increaseinGNPfor2002.Outsideexpertsarenotsooptimistic.ButnearlyeveryoneagreesthatGNPgrowthinJapanisunlikelytoslipintonegativenumbersasitdidlastyearintheU.S.andBritain.There’snoquestionthatweareinarecessionpronouncesKunioMiyamotochiefeconomistoftheSumitomo-LifeResearchInstitute.ButitisarecessionJapanese-style.Duringthelasthalfofthe1990sJapanesecompaniesbasedmuchoftheirexpansionaroundtheworldonthewildlyinflatedvaluesoftheTokyoStockExchangeandJapan’sfrenziedrealestatemarket.Nowboththosemarketshavecollapsed.Andwithlong-terminterestratesupfrom5%to7%Japanesecompaniesarelessabletosellvastquantitiesofhigh-qualitygoodsatrazor-thinprofitmargins.AddedtothisarepressuresfromshareholdersforagreaterreturnoninvestmentsfromJapan’stradingpartnersforrestraintsonitsaggressivetradepracticesandfromitsowncitizensforareductionintheirworkinghourssotheycanenjoythefruitsof40yearsofrelentlesstoil.WelearnfromthetextthatJapanesedefinitionofwhatwashappeninginJapanis
Saygoodbyetotheworld’stropicalglaciersandicecaps.Manywillvanishwithin20years.WhenLonnieThompsonvisitedPeru’sQuelccayaicecapin1977hecouldn’thelpnoticingaschool-bus-sizeboulderthatwasupendedbyicepushingagainstit.Thompsonreturnedtothesamespotlastyearandtheboulderwasstilltherebutitwaslyingonitsside.Theicethatoncesupportedthemassiverockhadretreatedfarintothedistanceleavingbehindagiantlakeasitmeltedaway. FoeThompsonageologistwithOhioStateUniversity’sByrdPolarResearchCentertherolled-backrockwasanobvioussignofclimatechangeintheAndesMountains."Observingthatover25yearspersonallyreallybringsithome"hesays."Yourdon’thavetobeabelieveringlobalwarmingtoseewhat’shappening." 41.Thawedicecapsinthetropics. Quelccayaisthelargesticecapinthetropicsbutitisn’ttheonlyonethatismeltingaccordingtodecadesofresearchbyThompson’steam.NOtropicalglaciersarecurrentlyknowntobeadvancingandThompsonpredictsthatmanymountaintopswillbecompletelymeltedwithinthenext20years. 42.Situationinareasotherthanthetropics. Thephenomenonisn’tconfinedtothetropics.GlaciersinEuropeRussianewZealandtheUnitedStatesandelsewherearealsomelting. 43.Theworseningeffectsofglobalwarming. Formanyscientiststhewidespreadmelt-downisaclearsignthathumansareaffectingglottalclimateprimarilybyraisingthelevelsofcarbondioxideandothergreenhousegasesintheatmosphere. 44.Recedingicecaps. That’snottosaythatglacierscurrentlyfoundoneverycontinentexceptAustraliahaven’tmeltedinthepastasaresultofnaturalvariability.Theseriversoficeexistinadelicatebalancebetweeninputsaccumulatingsnowandiceandoutputsmeltingand"calving"oflargechunksofice.Overtimethebalancecantiltineitherdirectioncausingglacierstoadvanceorretreat.What’sdifferentnowisthespeedatwhichthescaleshavetipped."We’vebeensurprisedathowrapidtherateofretreathasbeen"saysThompson.HisteambeganmappingoneofthemainglaciersflowingoutoftheQuelccayaicecapin1978usingsatelliteimagesandgroundsurveys. 45.Thinningicecores. Andits’notjustthemarginoftheicecapthatismelting.AtQaelccayaandMountKilimanjarotheresearchershavefoundthattheicefieldsarethinningaswell.BesidesmappingicecapsandglaciersThompsonandhiscolleagueshavetakencoresamplesfromQueleeayasince1976whentheiceatthedrillinglocationwas154metersthick. ThompsonandhiscolleagueshavealsodrilledicecoresfromotherlocationsinSouthAmericaAfricaandChina.Trappedwithineachofthesecoresisaclimaterecordspanningmorethan8000years.Itshowsthatthepast50yearsarethewarmestinhistory. The4-inch-thickicecoresarenowstoredinfreezersatOhioState.OnthefuturesaysThompsonthatmaybetheonlyplacetoseewhat’sleftoftheglaciersofAfricaandPeru. [A]ThelatestreportfromtheIntergovernmentalPanelonClimateChangepreparedbyhundredsofscientistsandapprovedbygovernmentdelegatesfrommorethan100nationsstates:"Thereisnewandstrongerevidencethatmostofthewarmingobservedoverthelast50yearsisattributabletohumanactivities."ThereportreleasedinJanuarysaysthattheplanet’saveragesurfacetemperatureincreasedbyabout0.6℃duringthe20thcenturyandisprojectedtoincreaseanother1.4℃to5.8℃by2100.Thatrateofwarmingis"with-outprecedentduringatleastthelast10000years"saystheIPCC. [B]Alaska’smassiveBeringandColumbiaGlacierslocatedinnontropicalregionsforexamplehaverecededbymorethan10kilometersduringthepastcentury.AndastudybygeologistsattheUniversityofColoradoatBoulderpredictsthatGlacierNationalParkinMontanaundertheinfluenceofmeltingwillloseallofitsglaciersby2070. [C]Forexampleabout97percentoftheplanet’swaterisseawater.Another2percentislockedinicecapsandglaciers.Therearealsoreservesoffreshwaterundertheearth’ssurfacebutthesearetoodeepforustouseeconomically. [D]ForexampleAfrica’sMountKilimanjarointropicalareashaslost82percentofitsicefieldsinceitwasfirstmappedin1912.ThatyearKilimanjarohad12.1squarekilometersofice.Bylastyeartheicecoveredonly2.2squarekilometers.AtthecurrentrateofmeltingthesnowsofKilimanjarothatErnestHemingwaywroteaboutwillbegonewithin15yearsThompsonestimates."Butitprobablywillhappensoonerbecausetherateisspeedingup." [E]"Ifullyexpecttobeabletoreturnthereinadozenyearsorsoandseethemarksontherockwhereourdrillbitpunchedthroughtheice"saysThompson.Ifthathappensitwillmeanthatalayeroficemorethan500feetthickhasvanishedintothinair. [F]TheglacierQoriKaliswasthenretreatingby4.9metersperyear.EverytimethescientistsreturnedQoriKaliswasmeltingfaster.Between1998and2000itwasretreatingatarateof155metersperyearsmorethanafootperday32timesfasterthanin1978."Youcanalmostsitthereandwatchitmove"saysThompson. 43
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.3
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.17
Eversincetheywerefirststagedin19thcenturyEuropeworld’sfairshaveenabledpeoplefromaroundtheglobetovisitwondrouspavilionswheretheycandiscoverdistantlandsandnewtechnologies.The2006world’sfairisnoexceptionbutitalsohasadecidedlynew-eratwist:thewholeeventhappensincyberspace.AnonprofitprojectdreamedupbyAmericansCarlMalamudacomputerconsultantandVintonCerfandInternetpioneerandtelecommunicationscompanyVicepresidenttheInternet2006WorldExpositionisadigitalworkinprogressamulti-chamberedforumthatcybernautscanhelpbuildandrenovatethroughouttheyear--andperhapslongafterthefair’sofficialcloseinDecember.Whilehigh-techpavilionssetupbysponsoringcorporationsarefeaturedprominentlyasinrealfairsthisvirtualexpositioniscloserinspiritandrealitytoavastbustlingbazaaramarketplaceforthetalentsandofferingsofthousandsofindividualsandsmallgroups.AnyonewithacomputerandamodemcannotonlyattendbutalsoparticipateasanexhibitorbycreatinganindividualmultimediaWebsite.Gettingthefairupandrunningwasbynomeanseasy.Malamud36spentthepastyearshuttlingamong30countrieslobbyingcompaniesthatinitiallydismissedtheprojectasunwieldyandunworkable.WhilesomenationsimmediatelysupportedtheideaotherscompletelymissedthepointofMalamud’svision:tomakethefairapublic-worksprojectthatfocusesonwhattheInternetcanofferexpertornovice.Oncegrass-rootsgroupsstartedbackingtheprojectthoughbusinesseswerenotfarbehind.Bydonatingequipmentandservicesthesecompanieswillgainaccesstomillionsofpotentialconsumerseagertoseethefirms’latesttechnologies.Sincetheexposition’sJan.1launchasmanyas40000visitorseachdayfrommorethan40countrieshavetriedthemajorWebsites.MostvirtualvisitorslogonfromtheU.SandJapanbuttheUnitedArabEmiratesSwedenSingaporeandEstoniahavebeenrepresented.Commentsloggedinthefair’sguestbookareoverwhelminglypositive.WowtheworldisshrinkingwroteavisitorfromtheNetherlands.Sincetheirinitialhesitancythemajorsponsors-primarilytelecommunicationsandsoftwarecompanies--havebecomefirmbelievers.Beyondthediversityofcontentandinternationalscopethefairisatechnologicalmarvel.ThefastestinternationallinkeverinstalledthispipelinecouldbethefirststeptowardlayingapermanentnetworkthatwilleventuallyhardwireeverynationintheworldintotheInternet.Theorganizershopethattheinfrastructure--andawareness-nurturedbythisexpositionwilllaunchaboominNetuse.Inthewriteropinionthevirtualexpositioninthenewerais
Itwasthebestoftimesordependingonyourpoliticalandphilosophicaloutlookoneofthefoulestandmostdepraved.Rebellionseemedtobeleapingfromcitytocitycontinenttocontinentbysomefieryprocessofcontagion.RadicalstudentsfilledthestreetsofMexicocityBerlinTokyoPrague.IntheU.S.ChicagoswirledintonearanarchyascopsbattledantiwardemonstratorsgatheredattheDemocraticConvention.AndeverywherefromAmsterdamtoHaight-Ashburyagenerationwasgettinghighactingup.Soclearlyitwastheyearfromhell—acollectivediveintoextensivesocialandpersonaldysfunctionastheWallStreetJournaleditorializedrecently.Ordependingagainonyouroutlookaglobalbreakthroughforthehumanspirit.Onthisthe25thanniversaryof1968probablytheonlythingwecanallagreeonisthat68marksthebeginningoftheculturewarswhichhavedividedAmericaeversince.Boththesidesoftheculturewarsofthe’80sand’90stookforminthecriticalyearof’68.ThekeyissuesaredifferentnowabortionandgayrightsforexampleasopposedtoVietnamandracism--buttheunderlyingthemesstillechotheclashesof’68:Diversityvs.conformitytraditionvs.iconoclasmself-expressionvs.deferencetonorms.Questionauthorityinotherwordsvs.Fatherknowsbest.The25thanniversaryof’68isagoodtimetoreflectcalmlyandphilosophicallyonthesedeepunderlyingchoices.Ononehandweknowthatanti--authoritarianismforitsownsakeeasilydegeneratesintoarudeandunfocuseddefiance:RevolutionasAbbieHoffmanputitforthehellofit.Certainly’68haditswretchedexcessesaswellasitsmomentsofglory:thepersonaltragedyoflivesundonebydrugsandsextheheavycostofriotsanddestruction.Onemighteasilyconcludethattheancientrulesandhierarchiesarethereforareason--they’reworkedmoreorlessforuntoldmillenniumssothere’snopointinchangingthemnow.Butit’salsotruethatwhatworkedforthousandsofyearsmaynotbethebestwayofdoingthings.Democracyafterallwasonceafar-outsubversivenotioncondemnedbykingsandpriests.Inourowncountryittookallkindsofhell-raisingincludingawartogetacrossthesimplenotionthatnopersonismorallyentitledtoownanother.Onegeneration’shallowedtradition--slaveryorthedivinerightofkings--maybeanothergeneration’sobjectlessoninhumanfolly.’68wasonemoreawkwardstumblinghalfstepforwardinwhatDutschkecalledthelongmarchtowardhumanfreedom.Actuallyithelpedinspiretheworldwidefeministmovement.Towhichofthefollowingisthewritermostlikelytoagree
Saygoodbyetotheworld’stropicalglaciersandicecaps.Manywillvanishwithin20years.WhenLonnieThompsonvisitedPeru’sQuelccayaicecapin1977hecouldn’thelpnoticingaschool-bus-sizeboulderthatwasupendedbyicepushingagainstit.Thompsonreturnedtothesamespotlastyearandtheboulderwasstilltherebutitwaslyingonitsside.Theicethatoncesupportedthemassiverockhadretreatedfarintothedistanceleavingbehindagiantlakeasitmeltedaway. FoeThompsonageologistwithOhioStateUniversity’sByrdPolarResearchCentertherolled-backrockwasanobvioussignofclimatechangeintheAndesMountains."Observingthatover25yearspersonallyreallybringsithome"hesays."Yourdon’thavetobeabelieveringlobalwarmingtoseewhat’shappening." 41.Thawedicecapsinthetropics. Quelccayaisthelargesticecapinthetropicsbutitisn’ttheonlyonethatismeltingaccordingtodecadesofresearchbyThompson’steam.NOtropicalglaciersarecurrentlyknowntobeadvancingandThompsonpredictsthatmanymountaintopswillbecompletelymeltedwithinthenext20years. 42.Situationinareasotherthanthetropics. Thephenomenonisn’tconfinedtothetropics.GlaciersinEuropeRussianewZealandtheUnitedStatesandelsewherearealsomelting. 43.Theworseningeffectsofglobalwarming. Formanyscientiststhewidespreadmelt-downisaclearsignthathumansareaffectingglottalclimateprimarilybyraisingthelevelsofcarbondioxideandothergreenhousegasesintheatmosphere. 44.Recedingicecaps. That’snottosaythatglacierscurrentlyfoundoneverycontinentexceptAustraliahaven’tmeltedinthepastasaresultofnaturalvariability.Theseriversoficeexistinadelicatebalancebetweeninputsaccumulatingsnowandiceandoutputsmeltingand"calving"oflargechunksofice.Overtimethebalancecantiltineitherdirectioncausingglacierstoadvanceorretreat.What’sdifferentnowisthespeedatwhichthescaleshavetipped."We’vebeensurprisedathowrapidtherateofretreathasbeen"saysThompson.HisteambeganmappingoneofthemainglaciersflowingoutoftheQuelccayaicecapin1978usingsatelliteimagesandgroundsurveys. 45.Thinningicecores. Andits’notjustthemarginoftheicecapthatismelting.AtQaelccayaandMountKilimanjarotheresearchershavefoundthattheicefieldsarethinningaswell.BesidesmappingicecapsandglaciersThompsonandhiscolleagueshavetakencoresamplesfromQueleeayasince1976whentheiceatthedrillinglocationwas154metersthick. ThompsonandhiscolleagueshavealsodrilledicecoresfromotherlocationsinSouthAmericaAfricaandChina.Trappedwithineachofthesecoresisaclimaterecordspanningmorethan8000years.Itshowsthatthepast50yearsarethewarmestinhistory. The4-inch-thickicecoresarenowstoredinfreezersatOhioState.OnthefuturesaysThompsonthatmaybetheonlyplacetoseewhat’sleftoftheglaciersofAfricaandPeru. [A]ThelatestreportfromtheIntergovernmentalPanelonClimateChangepreparedbyhundredsofscientistsandapprovedbygovernmentdelegatesfrommorethan100nationsstates:"Thereisnewandstrongerevidencethatmostofthewarmingobservedoverthelast50yearsisattributabletohumanactivities."ThereportreleasedinJanuarysaysthattheplanet’saveragesurfacetemperatureincreasedbyabout0.6℃duringthe20thcenturyandisprojectedtoincreaseanother1.4℃to5.8℃by2100.Thatrateofwarmingis"with-outprecedentduringatleastthelast10000years"saystheIPCC. [B]Alaska’smassiveBeringandColumbiaGlacierslocatedinnontropicalregionsforexamplehaverecededbymorethan10kilometersduringthepastcentury.AndastudybygeologistsattheUniversityofColoradoatBoulderpredictsthatGlacierNationalParkinMontanaundertheinfluenceofmeltingwillloseallofitsglaciersby2070. [C]Forexampleabout97percentoftheplanet’swaterisseawater.Another2percentislockedinicecapsandglaciers.Therearealsoreservesoffreshwaterundertheearth’ssurfacebutthesearetoodeepforustouseeconomically. [D]ForexampleAfrica’sMountKilimanjarointropicalareashaslost82percentofitsicefieldsinceitwasfirstmappedin1912.ThatyearKilimanjarohad12.1squarekilometersofice.Bylastyeartheicecoveredonly2.2squarekilometers.AtthecurrentrateofmeltingthesnowsofKilimanjarothatErnestHemingwaywroteaboutwillbegonewithin15yearsThompsonestimates."Butitprobablywillhappensoonerbecausetherateisspeedingup." [E]"Ifullyexpecttobeabletoreturnthereinadozenyearsorsoandseethemarksontherockwhereourdrillbitpunchedthroughtheice"saysThompson.Ifthathappensitwillmeanthatalayeroficemorethan500feetthickhasvanishedintothinair. [F]TheglacierQoriKaliswasthenretreatingby4.9metersperyear.EverytimethescientistsreturnedQoriKaliswasmeltingfaster.Between1998and2000itwasretreatingatarateof155metersperyearsmorethanafootperday32timesfasterthanin1978."Youcanalmostsitthereandwatchitmove"saysThompson. 41
FormonthstheJapanesesearchedfitfullyfortherightwordtodescribewhatwashappening.AttheBankofJapanthenation’scentralbankofficialsspokeofanadjustmentphase.PrimeMinisteradmittedonlytoadifficultsituation.TheEconomicPlanningAgencythegovernment’srecordkeeperreferreddelicatelytoaretreat.Thentwoweeksagoforthefirsttimesince1997theagencydroppeditsboilerplatereferencetotheexpansionfromitscloselywatchedMonthlyEconomicReportandthewordgamewasover.Japan’seconomytheworld’ssecondlargestconcededtheexpertswasinrecession.Thatadmissionconfirmedthehadnewsbusinessmenhadbeenreadingintheirspreadsheetsforseveralmonths.In2001onemarketafteranotherturnedbadsaysYoshihikoWakamotoseniorvicepresidentofToshibaCorp.whichnowadmitsthatitspretaxprofitsforfiscal2001endingMarch31maybedownawhopping42%.InAprilwhenmanyJapanesecompaniesannouncetheirresultsfor2001fiscalYearmostwillreportdecliningprofits.BluechipslikeSonyNECandMatsushitahaveallexperienceddropsofover40%inpretaxprofits.Japan’ssecurityhouseshitbydecliningcommissionsfromafallingstockmarketwillannounceevenmoredramaticdrops.NomuraSecuritiesonceJapan’smostprofitablecompanyistalkingaboutan80%declineinprofits.Automanufacturersbanksairlinessteelcompaniesdepartmentstores—allareinaslump.TechnicallywhatishappeningtotheJapaneseeconomydoesnotmeetAmericancriteriaforarecessionnormallydefinedasatleasttwoconsecutivequartersofnegativegrowth.WhileeconomicgrowthhasslowedinJapanithasnotceased.Governmenteconomistsarepredictinga3.5%increaseinGNPfor2002.Outsideexpertsarenotsooptimistic.ButnearlyeveryoneagreesthatGNPgrowthinJapanisunlikelytoslipintonegativenumbersasitdidlastyearintheU.S.andBritain.There’snoquestionthatweareinarecessionpronouncesKunioMiyamotochiefeconomistoftheSumitomo-LifeResearchInstitute.ButitisarecessionJapanese-style.Duringthelasthalfofthe1990sJapanesecompaniesbasedmuchoftheirexpansionaroundtheworldonthewildlyinflatedvaluesoftheTokyoStockExchangeandJapan’sfrenziedrealestatemarket.Nowboththosemarketshavecollapsed.Andwithlong-terminterestratesupfrom5%to7%Japanesecompaniesarelessabletosellvastquantitiesofhigh-qualitygoodsatrazor-thinprofitmargins.AddedtothisarepressuresfromshareholdersforagreaterreturnoninvestmentsfromJapan’stradingpartnersforrestraintsonitsaggressivetradepracticesandfromitsowncitizensforareductionintheirworkinghourssotheycanenjoythefruitsof40yearsofrelentlesstoil.WhichofthefollowingcanbestsubstitutethewordTechnicallyPara.3withoutchangingitsfunctioninthecontext
Itwasthebestoftimesordependingonyourpoliticalandphilosophicaloutlookoneofthefoulestandmostdepraved.Rebellionseemedtobeleapingfromcitytocitycontinenttocontinentbysomefieryprocessofcontagion.RadicalstudentsfilledthestreetsofMexicocityBerlinTokyoPrague.IntheU.S.ChicagoswirledintonearanarchyascopsbattledantiwardemonstratorsgatheredattheDemocraticConvention.AndeverywherefromAmsterdamtoHaight-Ashburyagenerationwasgettinghighactingup.Soclearlyitwastheyearfromhell—acollectivediveintoextensivesocialandpersonaldysfunctionastheWallStreetJournaleditorializedrecently.Ordependingagainonyouroutlookaglobalbreakthroughforthehumanspirit.Onthisthe25thanniversaryof1968probablytheonlythingwecanallagreeonisthat68marksthebeginningoftheculturewarswhichhavedividedAmericaeversince.Boththesidesoftheculturewarsofthe’80sand’90stookforminthecriticalyearof’68.ThekeyissuesaredifferentnowabortionandgayrightsforexampleasopposedtoVietnamandracism--buttheunderlyingthemesstillechotheclashesof’68:Diversityvs.conformitytraditionvs.iconoclasmself-expressionvs.deferencetonorms.Questionauthorityinotherwordsvs.Fatherknowsbest.The25thanniversaryof’68isagoodtimetoreflectcalmlyandphilosophicallyonthesedeepunderlyingchoices.Ononehandweknowthatanti--authoritarianismforitsownsakeeasilydegeneratesintoarudeandunfocuseddefiance:RevolutionasAbbieHoffmanputitforthehellofit.Certainly’68haditswretchedexcessesaswellasitsmomentsofglory:thepersonaltragedyoflivesundonebydrugsandsextheheavycostofriotsanddestruction.Onemighteasilyconcludethattheancientrulesandhierarchiesarethereforareason--they’reworkedmoreorlessforuntoldmillenniumssothere’snopointinchangingthemnow.Butit’salsotruethatwhatworkedforthousandsofyearsmaynotbethebestwayofdoingthings.Democracyafterallwasonceafar-outsubversivenotioncondemnedbykingsandpriests.Inourowncountryittookallkindsofhell-raisingincludingawartogetacrossthesimplenotionthatnopersonismorallyentitledtoownanother.Onegeneration’shallowedtradition--slaveryorthedivinerightofkings--maybeanothergeneration’sobjectlessoninhumanfolly.’68wasonemoreawkwardstumblinghalfstepforwardinwhatDutschkecalledthelongmarchtowardhumanfreedom.Actuallyithelpedinspiretheworldwidefeministmovement.Fromthetextwelearnthatthe’68Warwasbestcharacterizedby
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.13
KingRichardIIIwasamonster.HepoisonedhiswifestolethethronefromhistwoyoungnephewsandorderedthemtobesmotheredintheTowerofLondon.RichardwasasortofAntichristtheKing--thatbottledspiderthatpoisonousbunchbackedtoad.AnywaythatwasShakespeare’sversion.Shakespearedidwhattheplaywrightdoes:heturnedhistoryintoavividarticulateorganizeddream-repeatablenightly.Heputthecrouchbackonstageandsoldtickets.AndwhowouldsaythattherealRichardknowntofamilyandfriendswasnotidenticaltoShakespeare’smemorablyloathsomecreationTheactualRichardwentdimmingintothepastandvanished.Whenalltheeye-witnessesaregonetheartist’simaginationbeginstotwist.VariationsontheKingRichardEffectareatworkinOliverStone’sJFK.RichardIIIwasartbutitwaspropagandatoo.ShakespearetookthedetailsofhisplotfromTudorhistorianswhowantedtoblackenRichard’sname.SeveralcenturiespassedbeforeotherhistoriansbegantowriteaboutRichard’svirtuesandsuggestthathemayhavebeenavictimofTudormaliceandwhatisthecleverestconspiracyofall:art.JFKisalongandpowerfulharangueaboutthedeathofthemanStonekeepscallingtheslainyoungking.WhataretherulesofStone’sgameIsStonefunctioningascommercialentertainerPropagandistDocumentaryfilmmakerHistorianJournalistFantasistSensationalistCrazyconspiracymongerLoneherocrusadingforthetruthagainstacorruptEstablishmentAnswer:someoftheabove.ThefirstsuperficialeffectofJFKistoraiseangrylittlescrupleslikeweltsintheconscience.Wouldn’titbeabsurdifagenerationofyoungerAmericanswithnomemoryof1963weretoformtheirideasaboutJohnKennedy’sassassinationfromOliverStone’sreportofitButworsethingshavehappened--includingperhapstheWarrenCommissionreportStoneusesasuspectmixedartformandJFKraisesthefamiliarethicalandhistoricalproblemsofdocudrama.ButsowhatArtistshavealwaysusedpubliceventsasrawmaterialhavetakenhistoryintotheirimaginationsandtransformedit.ThefallofTroyvanishedintotheIliad.TheBattleofBorodinofounditsmostmemorablepermanenceinTolstoy’simaginingofitinWarandPeace.Especiallyinaworldofinsatiableelectronicstorytellingrealhistoryprocreatesendlesslyconjuringnewversionsofitself.Publiclifehasbecomeametaphysicalbreederoffictions.Watergatebecameanalmostcontinuoustelevisionminiseries--althoughitisinterestingthatthemovieofWoodwardandBernstein’sAllThePresident’sMenstayedclosetotheknownfactsandunlikeJFKdidnotvalidatedarkconjecture.Shakespeare’screationisusedinthetexttointroduce
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.15
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.11
TheReaderhaslongbeentheblacksheepoftheEFLclassroom.TeacherseitherignoreReadersorneglectandabusethemfailingtorecognizetheirlearningpotential~Thereasonforthiscannolongerbelaidatthedoorofthepublishers.Nowadaysavastrangeofmaterialisproducedsuitableforallinterestsagerangesandabilitylevels.Itismoreprobablytheattitudeoftheteacherandthusthestudentwhichisresponsible.AreanyofthefollowingclosetoyourownattitudeorfamiliartoyoufromconversationswithcolleaguesReadersareanexpensiveluxury.Theschoolcannotaffordthem.Otherthingsmustcomefirst. 46Iamtryingtogetthroughafairlydensesyllabustoequipmystudentsultimatelyforexaminations;Icannotsparethetimeforfrills.Readingforpleasureisaprivateandpersonalthing.!cannotseehowthiscanbeusedintheEFLclassroom.47IunderstandthatextensivereadingforpleasurecanonlyimprovelanguagebutIhavenowayofcheckingthatlearninghastakenplaceotherthancomprehensionquestions.Theseactivitiesreducethepleasure. TheaboveareexplanationsexcusesreasonsandjustificationsfromteacherstalkingaboutthescantuseofReadersintheclassroom.Theircommentsillustratethreeviewsprevalentatpresent.48FirstthatteachersfeelthattimesparedforReaderswillinsomewaydeprivetheirstudentsofcertainkeylanguageskillsandabilities.Secondthoseteachersarefosteringorevenpanderingtostudents’reluctancetoreadforpleasure.49FinallythoseteachersareunawareofhowtouseandexploitReadersintheirclassroomsandthereforeprovidealimitedrangeofactivitieswhichinturnlimitstheresponsesoftheirstudents.50IfteacherstakeReadersintoclassroomwithanyoneoracombinationoftheaboveattitudesthiswillbeimpartedtothestudentswhowillthenalsobelievethatReadersarepreventingthemfromdoingsomethingmoreimportantandareawasteofvaluablelearningtime.Theyreadonlytoenablethemtoansweracomprehensiontask. Itisuptotheteachertoconvincethereluctantreaderthatreadingeitherextensiveorintensiveispleasurable.Onlyoneofmanywaysofobtainingpleasureistobeabletoanswertheteachers’comprehensioncheckquestionsthefollowingday.Theworldofreadingwillremainandstillbeasinaccessibleasevertothestudent. IunderstandthatextensivereadingforpleasurecanonlyimprovelanguagebutIhavenowayofcheckingthatlearninghastakenplaceotherthancomprehensionquestions.
[A]Theninthe1970ssciencebegantoshowthatthenurture--onlyviewwasindeedtoosimplistic-whichtriggeredabacklashfromtheleft.WhenresearcherslikeRichardHerrnsteinandE.O.Wilsondemonstratedthatgenesdoplayasignificantroleinhumanintelligenceandbehaviorforexampletheywerevilifiedbymanyoftheircolleagues.Andjustafewyearsagoaconferencedesignedtoexplorethegeneticrootsofviolencehadtobecanceledinthefaceofwidespreadcondemnation. [B]Butifyouthinkthiscompromisehasstoppedtheargumentsthinkagain.Scientistsandphilosophersarestillgettingsteamedupovertheissuebutnowthey’refightingoverpercentagesoverhowmuchofhumancharacterisshapedbygenesandhowmuchbyenvironment.AndaccordingtoStevenPinkeraprofessorofpsychologyattheMassachusettsInstituteofTechnologywecontinuetogivefartoomuchcredittothelatter.InanewbookTheBlankSlate:TheModernDenialofHumanNatureVikingPinkerarguesthatignoranceprejudiceandpoliticalcorrectnesshavekeptscientistsandthepublicfromappreciatingthepowerofourgenes. [C]ThebacklashwasunderstandablesaysPinker.Onceyousuggestthathumannatureisinanywayhardwiredit’seasierfortheunscrupuloustowriteoffentiregroupsasgeneticallyinferior-astheNazisdidwithJewsPolesandGypsies.Ifhave-notsaregeneticallylackingindriveorintelligenceorambitionwhat’sthepointoffightingpoverty [D]Thatechoed20thcenturyliberalsocialtheory:violencecrimeandpovertywerenotthefaultoftheviolentthelawlessandthepoorbutofsociety.Improvelivingconditionsandyouwillcurdtheproblems.Thesenotionsofcourseflewinthefaceofeverythingconservativeshelddear--theideathatthelowerclasseswereinherentlystupidandlazyforexampleandthatrehabilitatinglawbreakerswasanexerciseinfutilitywhichmayhavebeenpartoftheirappeal. [E]AnyonewhohasreadPinker’searlierbookswillrightlyguessthathislatesteffortissimilarlysweepingeruditesharplyarguedrichlyfootnotedandfuntoread.It’salsohighlypersuasive.TheviewthatenvironmentisparamountbeganhesayswiththephilosophersoftheEnlightenment:JohnLockeJean-JacquesRousseauReneDescartesandJohnStuartMill.Anditwasreinforcedinthe1950sbyHarvardpsychologistB.F.Skinnerwhosaidthatallhumanbehaviorwassimplyasetofconditionedresponses. [F]Inoneimportantsensetheargumentovernatureandnurturehasbeenresolved.Forcenturiesthenaturecampsaidthatpersonalitiesarebornnotmadethatourcharacterisprettymuchformedbythetimewepopoutofthewomb.Thenurturepeoplecounteredwiththemetaphorofthetabularasa:ourmindstartsoutasablankslateandit’showwearerearedthatdetermineswhatgetswrittenonit.Modernsciencethough--especiallyourfast-growingunderstandingofthehumangenome--makesitclearthatbothsidesarepartlyright.Natureendowsuswithinbornabilitiesandpersonalitytraits;nurturetakestheserawmaterialsandmoldsthemaswelearnandmature. [G]PlentysaysPinker.Compassionandaltruismwhichhethinksalsoareatleastpartlyhardwiredaregoodreasonstomakelifebetterforthosewhostartoutatadisadvantage.AndwhilePinkeralsoadmitsalbeitinalessstridentvoicethatenvironmentplaysasignificantpartinhowweturnoutheinsistsit’sjustnotthewholestoryandourgeneswhichhaven’tgotenoughrespectdoplaysignificantroles. 45
Saygoodbyetotheworld’stropicalglaciersandicecaps.Manywillvanishwithin20years.WhenLonnieThompsonvisitedPeru’sQuelccayaicecapin1977hecouldn’thelpnoticingaschool-bus-sizeboulderthatwasupendedbyicepushingagainstit.Thompsonreturnedtothesamespotlastyearandtheboulderwasstilltherebutitwaslyingonitsside.Theicethatoncesupportedthemassiverockhadretreatedfarintothedistanceleavingbehindagiantlakeasitmeltedaway. FoeThompsonageologistwithOhioStateUniversity’sByrdPolarResearchCentertherolled-backrockwasanobvioussignofclimatechangeintheAndesMountains."Observingthatover25yearspersonallyreallybringsithome"hesays."Yourdon’thavetobeabelieveringlobalwarmingtoseewhat’shappening." 41.Thawedicecapsinthetropics. Quelccayaisthelargesticecapinthetropicsbutitisn’ttheonlyonethatismeltingaccordingtodecadesofresearchbyThompson’steam.NOtropicalglaciersarecurrentlyknowntobeadvancingandThompsonpredictsthatmanymountaintopswillbecompletelymeltedwithinthenext20years. 42.Situationinareasotherthanthetropics. Thephenomenonisn’tconfinedtothetropics.GlaciersinEuropeRussianewZealandtheUnitedStatesandelsewherearealsomelting. 43.Theworseningeffectsofglobalwarming. Formanyscientiststhewidespreadmelt-downisaclearsignthathumansareaffectingglottalclimateprimarilybyraisingthelevelsofcarbondioxideandothergreenhousegasesintheatmosphere. 44.Recedingicecaps. That’snottosaythatglacierscurrentlyfoundoneverycontinentexceptAustraliahaven’tmeltedinthepastasaresultofnaturalvariability.Theseriversoficeexistinadelicatebalancebetweeninputsaccumulatingsnowandiceandoutputsmeltingand"calving"oflargechunksofice.Overtimethebalancecantiltineitherdirectioncausingglacierstoadvanceorretreat.What’sdifferentnowisthespeedatwhichthescaleshavetipped."We’vebeensurprisedathowrapidtherateofretreathasbeen"saysThompson.HisteambeganmappingoneofthemainglaciersflowingoutoftheQuelccayaicecapin1978usingsatelliteimagesandgroundsurveys. 45.Thinningicecores. Andits’notjustthemarginoftheicecapthatismelting.AtQaelccayaandMountKilimanjarotheresearchershavefoundthattheicefieldsarethinningaswell.BesidesmappingicecapsandglaciersThompsonandhiscolleagueshavetakencoresamplesfromQueleeayasince1976whentheiceatthedrillinglocationwas154metersthick. ThompsonandhiscolleagueshavealsodrilledicecoresfromotherlocationsinSouthAmericaAfricaandChina.Trappedwithineachofthesecoresisaclimaterecordspanningmorethan8000years.Itshowsthatthepast50yearsarethewarmestinhistory. The4-inch-thickicecoresarenowstoredinfreezersatOhioState.OnthefuturesaysThompsonthatmaybetheonlyplacetoseewhat’sleftoftheglaciersofAfricaandPeru. [A]ThelatestreportfromtheIntergovernmentalPanelonClimateChangepreparedbyhundredsofscientistsandapprovedbygovernmentdelegatesfrommorethan100nationsstates:"Thereisnewandstrongerevidencethatmostofthewarmingobservedoverthelast50yearsisattributabletohumanactivities."ThereportreleasedinJanuarysaysthattheplanet’saveragesurfacetemperatureincreasedbyabout0.6℃duringthe20thcenturyandisprojectedtoincreaseanother1.4℃to5.8℃by2100.Thatrateofwarmingis"with-outprecedentduringatleastthelast10000years"saystheIPCC. [B]Alaska’smassiveBeringandColumbiaGlacierslocatedinnontropicalregionsforexamplehaverecededbymorethan10kilometersduringthepastcentury.AndastudybygeologistsattheUniversityofColoradoatBoulderpredictsthatGlacierNationalParkinMontanaundertheinfluenceofmeltingwillloseallofitsglaciersby2070. [C]Forexampleabout97percentoftheplanet’swaterisseawater.Another2percentislockedinicecapsandglaciers.Therearealsoreservesoffreshwaterundertheearth’ssurfacebutthesearetoodeepforustouseeconomically. [D]ForexampleAfrica’sMountKilimanjarointropicalareashaslost82percentofitsicefieldsinceitwasfirstmappedin1912.ThatyearKilimanjarohad12.1squarekilometersofice.Bylastyeartheicecoveredonly2.2squarekilometers.AtthecurrentrateofmeltingthesnowsofKilimanjarothatErnestHemingwaywroteaboutwillbegonewithin15yearsThompsonestimates."Butitprobablywillhappensoonerbecausetherateisspeedingup." [E]"Ifullyexpecttobeabletoreturnthereinadozenyearsorsoandseethemarksontherockwhereourdrillbitpunchedthroughtheice"saysThompson.Ifthathappensitwillmeanthatalayeroficemorethan500feetthickhasvanishedintothinair. [F]TheglacierQoriKaliswasthenretreatingby4.9metersperyear.EverytimethescientistsreturnedQoriKaliswasmeltingfaster.Between1998and2000itwasretreatingatarateof155metersperyearsmorethanafootperday32timesfasterthanin1978."Youcanalmostsitthereandwatchitmove"saysThompson. 45
ThemoleculesofcarbondioxideintheEarth’satmosphereaffecttheheatbalanceoftheEarthbyactingasaone-wayscreen.1thesemoleculesallowradiationatvisiblewavelengthswheremostoftheenergyofsunlightisconcernedtopass2theyabsorbsomeofthelonger-wavelengthinfraredemissionsradiatedfromtheEarth’ssurfaceradiationthatwould3betransmittedbackintospace.FortheEarthtomaintainaconstantaveragetemperaturesuchemissionsfromtheplanetmust4incomingsolarradiation.Iftherewerenocarbondioxideintheatmosphereheatwould5fromtheEarthmuchmoreeasily. Today6thepotentialproblemistoomuchcarbondioxide.Couldtheincreaseincarbondioxide7aglobalriseinaveragetemperatureandcouldsucharisehaveserious8forhumansocietyMathematicalmodelsthatallowustocalculatetheriseintemperatureasafunctionoftheincrease9thatthe10isprobablyyes. Onemathematicalmodel11thatdoublingtheatmosphericcarbondioxidewouldraisetheglobalmeansurfacetemperatureby2.5℃.Thismodelassumesthattheatmosphere’srelativehumidityremainsconstantandthetemperaturedecreaseswithaltitudeata12of6.5℃perkilometer.Theassumptionofconstantrelativehumidityisimportantbecausewatervaporintheatmosphereisanother13absorberorradiationatinfraredwavelengths.Becausewarmaircanholdmore14thancoolairtherelativehumiditywillbeconstant15theamountofwatervaporintheatmosphereincreases16thetemperaturerises.17moreinfraredradiationwouldbeabsorbedandreradiated18totheEarth’ssurface.Theresultantwarmingatthesurfacecouldbeexpectedtomeltsnowandice19theEarth’sreflectivity.Moresolarradiationwouldbeabsorbed20toafurtherincreaseintemperature. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCandDonANSWERSHEET1.9
AllU.S.nuclearweaponsproductionfacilitiesarepresentlycloseddownandifthevariousagreementsareadheredtothosefacilitieswillneverberequiredexceptforonecriticalcapability.Allmodernnuclearweaponsuseuranium铀plutonium钚andtritium氚.Uraniumandplutoniumhaveverylonghalf-livesandthereislargesurplusofthesematerials. Tritiumhoweverhasarelativelyshorthalflifeofabout12.6yearssoabout5percentoftheamountonhandmustbereplacedeachyeartomaintainthecurrentinventory.46BecauseofthelargeretirementofnuclearweaponsbytheUnitedStatesincompliancewithearlyagreementsandnationalpolicytritiumfromretiredweaponshasbeenusedtomakeupthatlostthroughnaturaldecay.47Howeverinabout10to15yearsdependingonfuturenegotiationstheUnitedStateswillneedaguaranteedsupplyoftritiumtomaintainitsstockpileatwhateverlevelisagreedon. InanticipationofthisfutureneedtoproducetritiumDefenseOfficeExecutiveispursuingtwotechnologies.Oneusesanuclearreactorthatcouldalsoproduceelectricitywhosesalewouldrecovernotonlythecapitalcostofthereactorbutalsoitsannualoperationalcost.48UnfortunatelythepresentAdministrationhasadefinitebiasagainstnuclearpowersoanalternativemethodisalsobeingpursuedeventhoughitisagreedthatitwillcosttwiceasmuchasareactoranduseasmuchelectricityasareactorwouldproduce.Thistechnologyusesanacceleratortoproducehigh-energyprotonsthatinturnproduceneutrons. Themainargumentfortheacceleratoristhatitproducesnoconventionalnuclearwastes.49Proponentsreadilyadmitthatitwillproduceradioactivematerialsbutwitharelativelyshorthalf-lifecomparedwiththatofwastesfromspentnuclearfuel.Thefactthattheacceleratorwillrequiretheequivalentofanuclearpowerplanttosupplyitselectricityisignored. 50Proponentsalsoneglecttomentionthatabout22percentofallelectricalenergygeneratedintheUnitedStatescomesfromnuclearpowerplantssothat22percentofthepowerusedbytheacceleratorwillgenerateconventionalnuclearwastesinadditiontothosetheacceleratorproduces.ThereisanalternativetoeitherthereactorortheacceleratorwhichissimplytobuytherequiredtritiumfromCanadaorRussia. Howeverinabout10to15yearsdependingonfuturenegotiationstheUnitedStateswillneedaguaranteedsupplyoftritiumtomaintainitsstockpileatwhateverlevelisagreedon.
Eversincetheywerefirststagedin19thcenturyEuropeworld’sfairshaveenabledpeoplefromaroundtheglobetovisitwondrouspavilionswheretheycandiscoverdistantlandsandnewtechnologies.The2006world’sfairisnoexceptionbutitalsohasadecidedlynew-eratwist:thewholeeventhappensincyberspace.AnonprofitprojectdreamedupbyAmericansCarlMalamudacomputerconsultantandVintonCerfandInternetpioneerandtelecommunicationscompanyVicepresidenttheInternet2006WorldExpositionisadigitalworkinprogressamulti-chamberedforumthatcybernautscanhelpbuildandrenovatethroughouttheyear--andperhapslongafterthefair’sofficialcloseinDecember.Whilehigh-techpavilionssetupbysponsoringcorporationsarefeaturedprominentlyasinrealfairsthisvirtualexpositioniscloserinspiritandrealitytoavastbustlingbazaaramarketplaceforthetalentsandofferingsofthousandsofindividualsandsmallgroups.AnyonewithacomputerandamodemcannotonlyattendbutalsoparticipateasanexhibitorbycreatinganindividualmultimediaWebsite.Gettingthefairupandrunningwasbynomeanseasy.Malamud36spentthepastyearshuttlingamong30countrieslobbyingcompaniesthatinitiallydismissedtheprojectasunwieldyandunworkable.WhilesomenationsimmediatelysupportedtheideaotherscompletelymissedthepointofMalamud’svision:tomakethefairapublic-worksprojectthatfocusesonwhattheInternetcanofferexpertornovice.Oncegrass-rootsgroupsstartedbackingtheprojectthoughbusinesseswerenotfarbehind.Bydonatingequipmentandservicesthesecompanieswillgainaccesstomillionsofpotentialconsumerseagertoseethefirms’latesttechnologies.Sincetheexposition’sJan.1launchasmanyas40000visitorseachdayfrommorethan40countrieshavetriedthemajorWebsites.MostvirtualvisitorslogonfromtheU.SandJapanbuttheUnitedArabEmiratesSwedenSingaporeandEstoniahavebeenrepresented.Commentsloggedinthefair’sguestbookareoverwhelminglypositive.WowtheworldisshrinkingwroteavisitorfromtheNetherlands.Sincetheirinitialhesitancythemajorsponsors-primarilytelecommunicationsandsoftwarecompanies--havebecomefirmbelievers.Beyondthediversityofcontentandinternationalscopethefairisatechnologicalmarvel.ThefastestinternationallinkeverinstalledthispipelinecouldbethefirststeptowardlayingapermanentnetworkthatwilleventuallyhardwireeverynationintheworldintotheInternet.Theorganizershopethattheinfrastructure--andawareness-nurturedbythisexpositionwilllaunchaboominNetuse.TheorganizersthinksthattheeffectonNetuseofthe2006world’sfairis
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