阅读下列四篇短文，从每小题后所给的A,B,C或D四个选项中，选出最佳选项。AresearchbytheNationalCenterforHealthStatisticsisseenasanimportantconfirmationofthe“Hispanicmortalityparadox(西班牙裔死亡率悖论).”Onaverage,Hispanicsoutlivewhitesby2.5yearsandblacksby7.7years.Theirlifeexpectancyatbirthin2006was80.6years,comparedwith78.1forwhites,72.9forblacksand77.7yearsforthetotalpopulation.ThereportshowsthattheHispanicpopulationhashigherlifeexpectancyatbirthandatalmosteveryagedespiteasocioeconomicstatuslowerthanthatofwhites.“Mortalityisverycorrelatedwithincome,educationandhealthcareaccess,”saysElizabethArias,authorofthereport.“YouwouldexpecttheHispanicpopulationwouldhavehighermortality,inlinewiththeblackpopulation.”TheHispanicparadoxhasbeendocumentedformorethantwodecades,butthisisthefirsttimethegovernmenthashadenoughdatatoissuenationalnumbers.ResearchersarestrugglingtoexplainwhyHispanicslivelonger.“Wedon’tknow,”saysDavidHayes-Bautista,directoroftheCenterfortheStudyofLatinoHealthandCultureatUCLA’sDavidGeffenSchoolofMedicine.“Wethoughtitwasaprobleminthedata,butwecanprettymuchsaythisisreal.”Potentialfactors:·Cultureandlifestyle.Supportfromextendedfamilyandlowerratesofsmokinganddrinking.Latinogroupsinparticularhaveverystrongfamilyandsocialties.·Migration.The“healthymigranteffect”arguesthathealthypeoplearemorelikelytoemigrate.Andwhenimmigrantsbecomeill,theymightreturnhomeanddiethere.“SolvingthepuzzlemayhelpthenationdealwithhealthcareissuesbecauseHispanicsusehealthservicesless—theymakefewerdoctorsvisitsandspendlesstimeinhospitals,”HayesBautistasays.“It’sclearlysomethingintheLatinoculture,”hesays.1.In2006,Hispanics’lifeexpectancyisyearslongerthantheaverageofthetotalpopulation.A.2.5B.7.7C.2.9D.80.62.Whatdoestheunderlinedword“outlive”inthesecondparagraphprobablymean?A.Tolivelongerthan...B.Toliveshorterthan...C.Todieout.D.Toexpecttolive.3.Whatisthemainideaofparagraphthree?A.Hispanicswerebornbetterthanwhites.B.Moralityiscloselyrelatedwithhealthcareaccess.C.Whitesshouldhavelongerlifeexpectancy.D.Evenexpertscan’te