2010新浪公益微博服务年12月六级真题试题

Lightingeatsup20percentoftheworld’selectricity,ortheequivalentofroughly600,000tonsofcoaladay.Fortypercentofthatpowersold-fashionedincandescentlightbulbs—a19th-centurytechnologythatwastesmostofthepoweritconsumesonunwantedheat.Compactfluorescentlamps,orCFLs,notonlyuse75to80percentlesselectricitythanincandescentbulbstogeneratethesameamountoflight,buttheyalsolast10timeslonger.Phasingoldbulbsoutby2030wouldsavetheoutputof650powerntsandavoidthereleaseof700milliontonsofcarbonintotheatmosphereeachyear.ComfortWaterboilers,spaceheatersandairconditionershavebeennotoriouslyinefficient.Theheatpumphasalteredthatequation.Itremovesheatfromtheairoutsideorthegroundbelowandusesittosupplyheattoabuildingoritswatersupply.Inthesummer,thesystemcanbereversedtocoolbuildingaswell.MostnewresidentialbuildingsinSwedenarealreadyheatedwithground-sourceheatpumps.Suchsystemsconsumealmostnoconventionalfuelatall.Severalcountrieshaveusedsubsidiestojump-startthemarket,includingJapan,wherealmost1millionheatpumpshavebeeninstalledinthepasttwoyearstoheatwaterforshowersandhottubs.RemakeFromsteelmillstopaperfactoriesindustryeatsupaboutathirdoftheworld’senergyTheopportunitiestosavearevast.InLudwigshafen,GermanchemicalsgiantBASFrunsaninterconnectedcomplexofmorethan200chemicalfactories,whereheatproducedbyonechemicalprocessisusedtopowerthenextAttheLudwigshafensitealone,suchrecyclingofheatandenergysavesthe €200millionayearandalmosthalfitsCO2emissions.NowBASFisngthesamefornewntsin.“Optimizing(优化)energyefficiencyisadecisivecompetitiveadvantage,”saysBASFCEOJǔrgenHambrecht.GreenAquarteroftheworld’senergy—includingtwothirdsoftheannualproductionofoil—isusedfortransportation.Somesavingscomeofcharge:youcanboostfuelefficiencyby6percentsimplybykeeyourcar’stiresproperlyinflated(充气).Gasoline-electrichybrid(混合型)modelsliketheToyotaPriusimproveagebyafurther20percentoverconventionalABetterMorethanhalfofallresidentialpowergoesintorunninghouseholdappliances，producingafifthoftheworld’scarbonemissions.Andthat’strueeventhoughmanufacturershavealreadyhikedtheefficiencyofrefrigeratorsandotherwhitegoodsbyasmuchas70percentsincethe1980s.AccordingtoanInternationalEnergyAgencystudy,ifconsumerschosethosemodelsthatwouldsavethemthemostmoneyoverthelifeoftheappliance,they’dcutglobalresidentialpowerconsumptionandtheirutilitybillsby43percent.FlexibleWhosaysyouhavetopayforallyourconservationinvestment？“Energyservicecontractors”willpayforretrofitting(翻折改造)inreturnforashareofthe’sannualutility-billsavings.InBeijing,ShenwuThermalEnergyTechnologyCo.specializesinretrofitting’ssteelfurnaces.Shenwuputsuptheinitialinvestmenttoinstallaheatexchangerthatpreheatstheairgoingintothefurnace，slashingthe’sfuelcosts.Shenwupocketsacutofthosesavings,sobothShenwuandtheprofit.Ifsavingenergyissoeasyandprofitable,whyisn’teveryonengit?Ithastodowithpsychologyandalackofinformation.Mostofustendtolookattoday’spricetagmorethantomorrow’spotentialsavings.Thatholdsdoubleforthelandlordordeveloper,whowon’tactuallyseeapennyofthesavingshisinvestmentinbetterinsulationorabetterheatingsystemmightgenerate.Inmanypeople’sminds,conservationisstillassociatedwithself-denial.Manyenvironmentalistsstillpushthatview.Smarternmentscanhelppushthemarketintherightdirection.TheEU’s1994lawonlabelingwassuchasuccessthatitextendedthesameideatoentirebuildingslastyear.Toboostthemarketvalueofefficiency,allnewbuildingsarerequiredtohavean“energypass”detailingpowerandheatingconsumption.CountrieslikeJapanandGermanyhavesuccessivelytightenedbuildingcodes,requiringanincreaseininsulationlevelsbutleavingituptobuilderstodecidehowtomeetthem.Themostpowerfulincentives,ofcourse,willcomefromthemarketitself.Overthepastyear,sky-highfuelpriceshavefocusedmindsonefficiencylikeneverbefore.Ever-increasingpressuretocutcostshasfinallydmorecompaniestodosomemathontheirenergyuse.Willitbeenough?Withglobaldemandandemissionsrisingsofast,wemaynothaveanychoicebuttotry.Efficienttechnologyisherenow,provenandcheap.Comparedwithallotheroptions,it’sthebiggest,easiestandmostprofitablebangforthebuck.WhatissaidtobethebestwaytoconserveenergyRaising [B]Cuttingunnecessary[C]Findingalternative [D]SacrificingsomealWhatdoestheEuropeanUnionntoDiversifyenergy [B]Cutenergy[C]Reducecarbon [D]RaiseproductionIfyouaddenoughinsulationtoyourhouse,youmaybeableto improveyourworkenvironment[B]cutyourutilitybillsby[C]getridofair- [D]enjoymuchbetterHowmuchofthepowerconsumedbyincandescentbulbsisconvertedinto[A]Asmall [B]Some40[C]Almost [D]75to80Somecountrieshavetiredtojump-startthemarketofheatpumps upgradingthe [B]encouraging[C]implementinghigh- [D]providingGermanchemicalsgiantBASFsaves€200millionayear recyclingheatand [B]settingupfactoriesin[C]usingthenewest [D]reducingtheCO2emissionsofitsGlobalresidentialpowerconsumptioncanbecutby43percent weincreasetheinsulationofwallsandwaterwechoosesimplermodelsofelectricalwecutdownontheuseofrefrigeratorsandotherwhitewechoosethemostefficientmodelsofrefrigeratorsandotherwhiteEnergyservicecontractorsprofitbytakingapartof Manyenvironmentalistsmaintaintheviewthatconservationhasmuchtodo Thestrongestincentiveenergyconservationwilldrive Part Listening (35SectionDirections:Inthissection,youwillhear8shortconversationsand2longconversations.Attheendofeachconversation,oneormorequestionswillbeaskedaboutwhatwassaid.Boththeconversationandthequestionswillbespokenonlyonce.Aftereachquestiontherewillbeapause.Duringthepause,youmustreadthefourchoicesmarked[A],[B],[C]and[D],anddecidewhichisthebestanswer.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.[A]Proceedinhisown [B]Sticktotheoriginal[C]Compromisewithhis [D]Trytochangehiscolleague’s[A]ManyhasakeeneyeforNancyregretsbuyingtheNancyandMarywentshoptogetherinNancyandMaryliketofollowthelatest[A]Washthe [B]Gotothe[C]PickupGeorgeand [D]Takeherdaughterto[A]SheenjoysmakingupstoriesaboutotherShecanneverkeepanythingtoherselfforSheiseagertosharenewswiththeSheisthebestinformedwomanin[A]Acar [B]A[C]Adriving [D]Atechnical[A]TheshopmallhasbeendesertedShopperscanonlyfindgoodstoresintheLotsofpeoplemovedoutofthedowntownThereisn’tmuchbusinessdowntown[A]HewillhelpthewomanwithherTheloungeisnotaceforhimtostudyHefeelssleepywheneverhetriestoAcozyceisratherhardtofindon[A]ToprotectherfromgettingTohelprelieveheroftheTopreventmosquitoToavoidgettingsunQuestions19to22arebasedontheconversationyouhavejust[A]Ina [B]Inaclothing[C]Atabeach [D]Atafashion[A]TolivethereTostaythereforhalfaTofindabetterjobtosupportTosellleathergoodsforaBritish[A]DesigningfashionitemsforseveralModelingforaworld-famousItalianWorkingasanemployeeforServingasasalesagentfor[A]IthasseenasteadydeclineinitsIt emuchmoreIthaslostmanycustomerstoforeignIthasattractedalotmoredesignersfromQuestions23to25arebasedontheconversationyouhavejust[A]IthelpshertoattractmorepublicItimprovesherchanceofgettingItstrengthensherrelationshipwithItenableshertounderstandpeople[A] [B] [C] [D][A]ItkeepshauntingherdayandHerteachingwassomewhataffectedbyItvanishesthemomentshestepsintoherHermindgoesblankonceshegetsontheSectionDirections:Inthissection,youwillhear3shortpassages.Attheendofeachpassage,youwillhearsomequestions.Boththepassageandthequestionswillbespokenonlyonce.Afteryouhearaquestion,youmustchoosethebestanswerfromthefourchoicesmarked[A],[B],[C]and[D].ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageQuestions26to29arebasedonthepassageyouhavejust[A]TowinoverthemajorityofpassengersfromairlinesintwentyToreformrailroadmanagementinwesternEuropeanToelectrifytherailwaylinesbetweenmajorEuropeanTosetupanexpresstrainnetworkthroughout[A]MajorEuropeanairlineswillgoEuropeanswillpaymuchlessforTravelingtimebytrainbetweenmajorEuropeancitieswillbecutby ethesafestandmostefficientmeansoftravelin[A]TraintravelwillprovemuchmorecomfortablethanairPassengerswillfeelmuchsaferonboardatrainthanonaRailtransportwillbeenvironmentallyfriendlierthanairTravelingbytrainmaybeasquickas,orevenquickerthan,by[A]In [B]In[C]In [D]InPassageQuestions30to32arebasedonthepassageyouhavejust[A]TherecanbenospeedyrecoveryformentalApproachestohealingpatientsareessentiallytheThemindandbodyshouldbetakenasanintegralThereisnocleardivisionoflaborinthemedical[A]Adoctor’sfamestrengthensthepatients’faithinAbuseofmedicinesiswidespreadinmanyurbanOnethirdofthepatientsdependonharmlesssubstancesforApatient’sexpectationsofadrughaveaneffectontheir[A]ExpensivedrugsmaynotprovethemostTheworkingsofthemindmayhelppatientsDoctorsoftenexaggeratetheeffectoftheirMostillnessescanbecuredwithoutPassageQuestions33to35arebasedonthepassageyouhavejust[A]EnjoyingstrongfeelingsandDefyingalldangerswhentheyhaveBeingfondofmakingsensationalDreaming ingfamousone[A]Workinginanemergency [B]Listeningtorock[C]Watchinghorror [D]ngdaily[A]Arock [C]Aresident [D]AcareerSectionDirections:Inthissection,youwillhearapassagethreetimes.Whenthepassageisreadforthefirsttime,youshouldlistencarefullyforitsgeneralidea.Whenthepassageisreadforthesecondtime,youarerequiredtofillintheblanksnumberedfrom36to43withtheexactwordsyouhavejustheard.Forblanksnumberedfrom44to46youarerequiredtofillinthemissinginformation.Fortheseblanks,youcaneitherusetheexactwordsyouhavejustheardorwritedownthemainpointsinyourownwords.Finally,whenthepassageisreadforthethirdtime,youshouldcheckwhatyouhavewritten.Ifyou’relikemostpeople,you’veindulgedinfakelisteningmanytimes.Yougotohistoryclass,sitinthethirdrow,andlook(36) attheinstructorasshespeaks.Butyourmindisfaraway,(37) inthecloudsofpleasantdaydreams.(38) youcomebacktoearth:Theinstructorwritesanimportanttermonthechalkboard,andyou(39) copyitinyounotebook.Everyonceinawhiletheinstructormakesa remark,causingothersintheclasstolaugh.Youspoliy,pretendingthatyou’veheardtheremarkandfounditmildly(41) .Youhaveavaguesenseof(42) thatyouaren’tpayingcloseattention.Butyoulyourselfthatany(43) youmisscanbepickedupfromafriend’snotes. .Sobackyougointoyourprivatelittleworld,onlylaterdoyourealizeyou’vemissedimportantinformationforatest.Fakelisteningmaybeeasilyexposed,sincemanyspeakersaresensitivetofacialcuesandcanlifyou’remerelypretendingtolisten.(45) Evenifyouarenotexposedthere’sanotherreasontoavoidfakery.It’seasyforthisbehaviorto eahabit.Forsomepeople,thehabitissodeeplyrootedthat(46) .Asaresult,theymisslotsofvaluableinformation.PartIVReadingComprehension（ReadinginDepth）（25SectionDirections:Inthissection,thereisashortpassagewith5questionsor pletestatements.Readthepassagecarefully.Thenanswerthequestionsorcompletethestatementsinthefewestpossiblewords.PleasewriteyouranswersonAnswersheet2.Questions47to51arebasedonthefollowingMen,thesedays,areembracingfatherhoodwiththeround-the-clockinvolvementtheirpartnershavealwaysdreamedof—handlingnightfeedings,packinglunchesandbandagingknees.Butunlikewomen,manyfindthey’renegotiatingtheirnewroleswithlittlesupportorinformation.“Meninmygeneration(aged25-40)haveafearofingdadsbecausewehavenorolemodels,”saysJonSmith,awriter.Theyoftenfindthemselvesexcludedfrommothers’supportnetworks,andareeyedwarily(警觉地)ontheThechallengeisparticularlyevidentinthework-ce.There,menarestillexpectedtobreadwinnersclimbingthecorporateladder:traditionally-mindedbossesareoftenunsympathetictofamilyneeds.InDenmarkmostnewfathersonlytaketwoweeksofpaternityleave(父亲的陪产假)—eventhoughtheyareallowed34days.Asmuchasifnotmoresothanwomen,fathersstruggletobetakenseriouslywhentheyrequestflexiblearrangements.ThoughWilfried-FritzMaring,54,adata-bankandInternetspecialistwithGermanfirmKarlsruhe,feelsthatthetimehespendswithhisdaughteroutweighsanydisadvantages,headmits,“WithmydecisiontoworkfromhomeIdismissedanyopportunityforpromotion.”Mind-sets(思维定势)arechanginggradually.WhenMaringhadadaughter, equippedhimahomeofficeandallowedhimtochooseajobthatcouldbeperformedfromthere.Danish initiatedaninternalnlastyeartoencouragedadstotakepaternityleave:97percentnowdo.“Whenanemployeegoesonpaternityleaveandiswithhiskids,hegetsanewkindoftraining:inhowtokeepcoolunderstress.”saysspokes ChristineElbergHolm.Foranewgenerationofdads,kidsmaycomebeforethe －butit’sashiftthatbenefitsboth.Unlikewomen,menoftengetlittlesupportorinformation Besidessupportingthefamily,menwerealsoexpected Likewomen,menhopethattheirdesireforaflexibleschedulewill WhenMaringwasonpaternityleave,hewasallowedby to ChristineHolmbelievespaternityleaveprovidesanewkindoftrainingformeninthatitcanhelpthemcope SectionDirections:Thereare2passagesinthissection.Eachpassageisfollowedbysomequestionsorunfinishedstatements.Foreachofthemtherearefourchoicesmarked[A],[B],[C]and[D].YoushoulddecideonthebestchoiceandmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.PassageQuestions52to56arebasedonthefollowingLikemostpeople,I’velongunderstoodthatIwillbejudgedbymyoccupation,thatmyprofessionisagaugepeopleusetoseehowsmartortalentedIam.Recently,however,IwasdisappointedtoseethatitalsodecideshowI’mtreatedasa LastyearIleftaprofessionalpositionasasmall-townreporterandtookajobwaitingtablesAssomeonepaidtoservefoodtopeople.IhadcustomerssayanddothingstomeIthey’dneversayordototheirmostcasualacquaintancesOnenightamantalkingonhiscellphonewavedmeawaythenbeckoned(示意)mebackwithhisfingerminutelater,comininghewasreadytoorderandaskingwhereI’dbeen.Ihadwaitedtablesduringsummersincollegeandwastreatedlikeapeon(勤杂工)plentyofpeople.Butat19yearsold,IbelievedIdeservedinferiortreatmentfromprofessionaladults.Besides,peoplerespondedtomedifferentlyafterItoldthemIwasincollegeCustomerswouldjokethatonedayI’dbesittingattheirtablewaitingtobeserved.OnceIgraduatedItookajobatacommunitynewspaper.Frommyfirstday,Iheardarespectfultonefromeveryonewhocalledme.Iassumedthiswasthewaytheprofessionalworldworked—cordially.Isoonfoundoutdifferently.Isatseveralfeetawayfromanadvertisingsalesrepresentativewithasimilarname.OurcallswouldoftengetmixedupandsomeoneaskingforKristenwouldbetransferredtoChristie.Themistakewasimmediayevident.Perhapsitwasbecausemoneywasinvolved,butpeopleusedatonewithKristenthattheyneverusedwithme.Myjobtitlemadepeopletreatmewithcourtesy.SoitwasashocktoreturntotherestaurantIt’snosecretthatthere’salottoputupwithwhenwaitingtables,andfortunay,muchofitcanbeeasilyforgottenwhenyoupocketthetips.Theserviceindustry,bydefinition,existstocatertoothers’needs.Still,itseemedthatmanyofmycustomersdidn’tgetthedifferencebetweenserverandservant.I’mnowapplyingtograduatedschool,whichmeanssomedayI’llreturntoaprofessionwherepeopleneedtobenicetomeinordertogetwhattheywant,IthinkI’lltakethemtodinnerfirst,andseehowtheytreatsomeonewhoseonlyjobistoservethem.Theauthorwasdisappointedtofindthat one’spositionisusedasagaugetomeasureone’sintalentedpeoplelikehershouldfailtogetarespectableone’soccupationaffectsthewayoneistreatedasprofessionalstendtolookdownuponmanualWhatdoestheauthorintendtosaybytheexampleinthesecondSomecustomerssimplyshownorespecttothosewhoservePeopleabsorbedinaphoneconversationtendtobeabsent-WaitressesareoftentreatedbycustomersascasualSomecustomersliketomakeloudcomintsfornoreasonatHowdidtheauthorfeelwhenwaitingtablesattheageofShefeltitunfairtobetreatedasamereservantbyShefeltbadlyhurtwhenhercustomersregardedherasaShewasembarrassedeachtimehercustomersjokedwithShefounditnaturalforprofessionalstotreatherasWhatdoestheauthorimplybysaying“…manyofmycustomersdidn’tgetthedifferencebetweenserverandservant”(Lines3-4,Para.7)?Thosewhocatertoothers’needsaredestinedtobelookeddownThoseworkingintheserviceindustryshouldn’tbetreatedasThoseservingothershavetoputupwithroughtreatmenttoearnaThemajorityofcustomerstendtolookonaservantasserverTheauthorsaysshe’llonedaytake stodinnerinorderto seewhatkind theyexperiencethefeelingofbeingshowhergenerositytowardspeopleinferiortoarousetheirsympathyforpeoplelivingahumblePassageQuestions57to61arebasedonthefollowingOh, eSure,someleftishbillionaireslikeGeorgeSoroshavebeenrailingagainst einequalityforyears.Butincreasingly,centristandright-wingbillionairesarestaringtoworryabout einequalityandthefateofthemiddleclass.InDecember,MortimerZuckermanwroteacolumninU.S.News&WorldReport,whichheowns.“ournation’scorebargainwiththemiddleclassisdisintegrating,”lamented(哀叹)the117th-richestmaninAmerica.“Mostofoureconomicgainshavegonetopeopleattheverytopofthe eladder.Average eforahouseholdofpeopleofworkingage,bycontrast,hasfallenfiveyearsinaraw.”Henotedthat“TensofmillionsofAmericansliveinfearthatamajorhealthproblemcanreducethemtobankruptcy.”WilburRossJr.hasechoedZuckerman’sangeroverthebitterstrugglesfacedbymiddle-classAmericans.“It’sanoutragethatanyAmerican’slifeexpectancyshouldbeshortenedsimplybecausethe theyworkedforwentbankruptandendedhealth-carecoverage,”saidtheformerchairmanoftheInternationalSteelGroup.What’shappening?TheveryricharejustastrendyasyouandI,andcanbesowhenitcomestopoliticsandGiventherecentchangeofcontrolinCongress,thepopularityofmeasureslikeincreasingtheminimumwage,andeffortsbyCalifornia’sernortoofferuniversalhealthcare,theseguysdon’tneedtheirownalweathermentoknowwhichwaythewindblows.It’spossiblethatplutocrats(有钱有势的人areexpressingsolidaritywiththestrugglingmiddleclassasofanefforttoinsulatethemselvesfromconfiscatory(没收性的)taxpolicies.Buttheprospectthat inequalitywillleadtohighertaxesonthewealthydoesn’tkeepplutocratsupatnight.Theycanlivewiththat.No,whattheyfearwasthatthepoliticalchallengesofsustainingsupportforglobaleconomicintegrationbemoredifficultintheUnitedStatesbecauseofwhathashappenedtothedistributionof eandeconomicInotherwords,ifmiddle-classAmericanscontinuetostrugglefinanciallyastheultrawealthygroweverwealthier,itwillbeincreasinglydifficulttomaintainpoliticalsupportfortheflowofgoods,services,andcapitalacrossborders.AndwhentheUnitedStatescesobstaclesinthewayofforeigninvestorsandforeigngoods,it’slikelytoencouragereciprocalactionabroad.Forpeoplewhobuyandsellcompanies,orwhoallocatecapitaltomarketsallaroundtheworld,that’stherealnightmare.WhatisthecurrenttopicofcommoninterestamongtheveryrichinThefateoftheultrawealthyThedisintegrationofthemiddleTheinequalityinthedistributionof betweentheleftandtherightWhatdowelearnfromMortimerZuckerman’s efamilieshavefailedtomakeabargainforbetterTheAmericaneconomicsystemhascausedcompaniestogoTheAmericannation ingmoreandmoredivideddespiteitsThemajorityofAmericansbenefitlittlefromthenation’sgrowingFromthefifthparagraphwecanlearnthat theveryricharefashion-theveryricharepoliticallyuniversalhealthcareistobeimplementedthroughoutCongresshasgainedpopularitybyincreasingtheminimumWhatistherealreasonforplutocratstoexpresssolidaritywiththemiddleTheywanttoprotectthemselvesfromconfiscatoryTheyknowthatthemiddleclasscontributesmosttoTheywanttogainsupportforglobaleconomicTheyfeelincreasinglythreatenedbyeconomicWhatmayhappeniftheUnitedStatescesobstaclesinthewayofforeigninvestorsandforeignThepricesofimportedgoodswillinevitablysoarbeyondTheinvestorswillhavetomakegreateffortstore-allocateThewealthywillattempttobuyforeigncompaniesacrossborders.[D].Foreigncountrieswillcethesameeconomicbarriersinreturn.Part （15Directions:Thereare20blanksinthefollowingpassage.Foreachblanktherearefourchoicesmarked[A],[B],[C]and[D]ontherightsideofthepaper.YoushouldchoosetheONEthatbestfitsintothepassage.ThenmarkthecorrespondingletteronAnswerSheet2withasinglelinethroughthecentre.In1915EinsteinmadeatriptoGöttingentogivesomelecturesattheinvitationofthemathematicalphysicistDavidHilbert.Hewasparticularlyeager－tooeager,itwouldturn62－toexinalltheintricaciesofrelativitytohim.Thevisitwasatriumph,andhesaidtoafriendexcitedly,“Iwasableto63Hilbertofthegeneraltheoryofrelativity.”64allof alturmoil(焦躁at

[D] [D]Along[A] [B][C] [D]time,anewscientificanxietywasaboutto65.Hewasstrugglingtofindtherightequationsthatwould66hisnewconceptofgravity,67thatwoulddefinehowobjectsmove68spaceandhowspaceiscurvedbyobjects.Bytheendofthesummer,he69themathematicalapproachhehadbeen70foralmostthreeyearswasflawed.Andnowtherewas71pressure.Einsteindiscoveredtohis72thatHilberthadtakenwhathehadlearnedfromEinstein’slecturesandwasracingtocomeup73thecorrectequationsfirst.Itwasanenormouslycomplextask.AlthoughEinsteinwasthebetterphysicist,Hilbertwasthebettermathematician.SoinOctober1915Einstein74himselfintoamonth-longfranticendeavorin75hereturnedtoanearliermathematicalstrategyandwrestledwithequations,proofs,correctionsandupdatesthathe76togiveaslecturestoBerlin’sPrussianAcademyofSciencesonfourHisfirstlecturewasdeliveredonNov.4.1915,anditexinedhisnewapproach,78headmittedhedidnotyethavetheprecisemathematicalformulationofit.Einsteinalsotooktimeofffromrevisinghisequationstoengageinanawkwardfandango(方丹戈双人舞withhiscompetitorHilbert.Worried