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7.It'snotunusualforpeopletofeelapaindirectlybehindtheirbreastboneandthinkthatitcan'tbetheirheart,becauseeveryoneknowsthatisintheleftsideofthechest.It'snotunusual,butit'swrong.Whilepeoplethinkthattheproblemisintheirairways,itisoften(36)theirheart,HelmutGohlkeoftheGermanAssociationsays.The(37),knownasangina(心绞痛),revealsitselfaspainbehindthebreastbone.It'sanillnesswheretheblood(38)totheheartmuscleisrestricted.Ifnot(39)andtreatedinatimelymanner,itcanleadtoaheartattackanddeath.Thepainbehindthebreastboneradiatesmostlytothethroat,theupperabdomenandtheleftarm.Itis(40)describedasadull,wearingfeelingofcompression,saysChristianHammoftheGermanHeartAssociation.Womenoften(41)aboutlackofair.Allthosesufferingsaythepaincomessuddenlyandin(42)butdoesnotlastfordaysonend.Steadyformsofanginaare(43)byexertion(努力，费力),likephysicalworkorstress.Thepainusuallydisappearswithrest,Hammsays.Thingsarereversedinthemore(44),unstableformofthedisease.Thepainappearsoutofnowhere,meaningthereisadangerofacomingheartattackduetothecompleteblockage(堵塞)ofabloodvessel.Bothformsrequirea(n)(45triptothedoctor.A)intervalsB)obviousC)recognizedD)promptedE)actuallyF)timesG)transformsH)immediateI)flowJ)complainK)dangerousL)inspiredM)typicallyN)sometimesO)condition8.Beingfatisbadforyou.Onthat,almosteveryoneagrees.Itisjustpossible,though,thatalmosteveryoneiswrong.Infact,gettingfatmaybeamechanismthatprotectsthebody.Thehealthproblems(36)withfatnessmaynotbecausedbyitbutbeanotherconsequence,anothersymptom,ofovereating.Thatistheheretical(异端邪说的)(37)ofRogerUngerandPhilippScherer.Theyhavebeen(38)thescienceofwhathascometobeknownasmetabolicsyndrome(代谢综合症).Thisisahostofsymptomssuchashighbloodpressure,insulin(胰岛素)resistanceandfatnessthatseemtoincreasethe(39)ofheartdiseaseandstrokesandliverdisease.Metabolicsyndromeis(40)inone-sixthoftheAmericanpopulation.Syndromeisthemedicaltermfora(41)ofsymptomswhosecommoncauseisnotproperlyunderstood.Thesymptomofmetabolicsyndromethatappearsfirstisusuallyfatness,sothisisgenerallyregardedasthe(42)cause.Dr.UngerandDr.Scherer,however,turnthislogiconitshead.Theypointoutthatthereisusuallyaperiodofmanyyearsbetweenapersonbecomingoverweightandhis(43)othersymptoms.Ifthegrowthofthebodycellswasdirectlyharmful,thatwouldnotbethecase.Thisisoneofthelinesofevidencethathasledthemtotheconclusionthat,inadditiontoitsroleinstoringenergyasawayto(44)againstfuturefamine,gettingfatisa(45)mechanismagainstmetabolicsyndrome.A)proposalB)issueC)developingD)storedE)protectiveF)negativeG)fightH)collectionI)reviewingJ)assignedK)riskL)foundM)discoveredN)associatedO)potential9.Sufferingwithjointpain?MillionsofAmericanssufferwithjointpainforavarietyofreasons.Sportsfatigue,arthritis(关节炎)andagingcanallcausewearandtearonyourjoints(36)todiscomfortandpainfuljoints.Everysingle(37)yourbodymakesputspressureonyourjoints.Up,down,sidetosideyourjointsare(38)strained.Forsomepeople,justmovingaroundresultsinjointpain.Evenpeoplewith(39)jointpainsufferthroughactivitiestheyonceloved.Yourjointsageovertimeandlikeanypartofyourbody,theyrequireregularcareandcomfort.Manypeopledon'trealizehowimportantjointcareis,orhowtostopjointpain.Somepeople(40)painfuljointsarejustpartoflife.However,(41)discoveryischangingeverything.ResearchersinCambridgehavediscoveredanewcompoundofall-naturalingredientsthat(42)torelievejointpain,improvemobility(灵活性),andinsomecasesprotecttheactualjointsthemselves.Thenewformula,brandedunderthetrademarkGreenLightJointSupport,includesingredientswithclinical(43)nothingshortofamazing.Thesamplesarrivejustafewdaysafterorderingandunlikemostjointrelievers,theresultsarealmost(44).Bythesecondweekofthetrial,resultscanbeevenmoreimpressivewithincreasedflexibility.Aftertryingmanyofthejointreliefproductsonthe(45),we'vefoundhugedifferencesinquality.Itisanimpressiveproductandagreatchoiceforanyonelookingtocomfortandrelievetheirjoints.A)assumeB)breakthroughC)constantlyD)determinedE)elementsF)essentiallyG)immediateH)leadingI)marketJ)movementK)occasionalL)promisesM)rationalN)surfaceO)trials10.It'scollegegraduationseasonintheUnitedStates.Evenintoday'sweakeconomy,studentsfromfamousIvyLeagueuniversitieslikeHarvardhaveanextra(36)ontheroadtofinancialsuccess.However,noteveryoneinHarvardCollege'sClassof2010is(37)foraprofitablecareer.ThedirectorofHarvard'sOfficeofCareerServicesis(38)herstudentswiththerightemployersandcareeropportunities,ofteninthefieldsofeducation,internationaldevelopmentandpublicservice.GraduatingseniorWesHowe(39)tobecomeamainstreamjournalist,buthebecame(40)aboutsocialjusticewhileworkingasareporterduringsummerbreak.Howewroteanewsarticleaboutamanwhospenthissavingsonahousethatturnedouttobeafailure.Thecircumstancespointedtocriminal(41)bytheseller,butthemanhasnowaytogethismoneyback.Howewasangry,butfeltthat,asanewspaperreporter,therewaslittlehecoulddoaboutit.Thereisapointwhere(42)injusticewasn'tenough,Howesays,andactuallyworkingeithertowardchangingeitherthelaworbringingthistotheattentionoflawenforcement(实施)wassomethingthatwasinterestingtome.StatisticsfromHarvard'sOfficeofCareerServicesdonotshowa(43)