Whydosomepeoplelivetobeolderthanothers?Youknowthestandardexplanations:keepingamoderatediet,engaginginregularexercise,etc.Butwhateffectdoesyourpersonalityhaveonyourlongevity(长寿)?Dosomekindsofpersonalitiesleadtolongerlives?AnewstudyintheJournaloftheAmericanGeriatricsSocietylookedatthisquestionbyexaminingthepersonalitycharacteristicsof246childrenofpeoplewhohadlivedtobeatleast100.Thestudyshowsthatthoselivingthelongestaremoreoutgoing,moreactiveandlessneurotic(神经质的)thanotherpeople.Long-livingwomenarealsomorelikelytobesympatheticandcooperativethanwomenwithanormallifespan.Thesefindingsareinagreementwithwhatyouwouldexpectfromtheevolutionarytheory:thosewholiketomakefriendsandhelpotherscangatherenoughresourcestomakeitthroughtoughtimes.Interestingly,however,othercharacteristicsthatyoumightconsideradvantageoushadnoimpactonwhetherstudyparticipantswerelikelytolivelonger.Thosewhoweremoreself-disciplined,forinstance,werenomorelikelytolivetobeveryold.Also,beingopentonewideashadnorelationshiptolonglife,whichmightexplainallthosebad-temperedoldpeoplewhoarefixedintheirways.Whetheryoucansuccessfullychangeyourpersonalityasanadultisthesubjectofalongstandingpsychologicaldebate.Butthenewpapersuggeststhatifyouwantlonglife,youshouldstrivetobeasoutgoingaspossible.Unfortunately,anotherrecentstudyshowsthatyourmother’spersonalitymayalsohelpdetermineyourlongevity.Thatstudylookedatnearly28,000Norwegianmothersandfoundthatthosemomswhoweremoreanxious,depressedandangryweremorelikelytofeedtheirkidsunhealthydiets.Patternsofchildhoodeatingcanbehardtobreakwhenwe’readults,whichmaymeanthatkidsofdepressedmomsendupdyingyounger.Personalityisn’tdestiny(命运),andeveryoneknowsthatindividualscanlearntochange.Butbothstudiesshowthatlonglifeisn’tjustamatterofyourphysicalhealthbutofyourmentalhealth.1.TheaimofthestudyintheJournaloftheAmericanGeriatricsSocietyis________.A.toseewhetherpeople’spersonalityaffectstheirlifespanB.tofindoutifone’slifestylehasanyeffectontheirhealthC.toinvestigatetheroleofexerciseinlivingalonglifeD.toexamineallthefactorscontributingtolongevity2.Whatdoestheauthorimplyaboutoutgoingandsympatheticpeople?A.Theyhaveagoodunderstandingofevolution.B.Theyarebetteratnegotiatinganagreement.C.Theygenerallyappearmoreresourceful.D.Theyaremorelikelytogetoverhardship.3.Whatfindingofthestudymightprovesomewhatoutofourexpectation?A.Easy-goingpeoplecanalsolivearelativelylonglife.B.Personalitycharacteristicsthatproveadvantageousactuallyvarywithtimes.C.Suchpersonalitycharacteristicsasself-disciplinehavenoeffectonlongevity.D.Readinesstoacceptnewideashelpsoneenjoylongevity.4.WhatdoestherecentstudyofNorwegianmothersshow?A.Children’spersonalitycharacteristicsareinvariablydeterminedbytheirmothers.B.Peoplewithunhealthyeatinghabitsarelikelytodiesooner.C.Mothers’influenceonchildrenmaylastlongerthanfathers’.D.Mothers’negativepersonalitycharacteristicsmayaffecttheirchildren’slifespans.5.Whatcanwelearnfromthefindingsofthetwonewstudies?A.Anxietyanddepressionmoreoftenthannotcutshortone’slifespan.B.Longevityresultsfromacombinationofmentalandphysicalhealth.C.Personalityplaysadecisiveroleinhowhealthyoneis.D.Healthisinlargepartrelatedtoone’slifestyle.