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1、贵州绥阳县2017高考英语阅读理解专题一轮选编阅读理解。阅读下列短文,从给的四个选项(A、B、C和D)中,选出最佳选项。(2014·合肥模拟)Inthequestforbetterhealth,manypeopleturntodoctors,self-helpbooksorherbalsupplements.Buttheyoverlookapowerfulweaponthatcouldhelpthemfightillnessanddepression,speedrecovery,slowagingandprolonglife:t
2、heirfriends.Researchersareonlynowstartingtopayattentiontotheimportanceoffriendshipandsocialnetworksinoverallhealth.A10-yearAustralianstudyfoundthatolderpeoplewithalargecircleoffriendswere22percentlesslikelytodieduringthestudyperiodthanthosewithfewerfriends.Alarge2007
3、studyshowedanincreaseofnearly60percentintheriskforobesityamongpeoplewhosefriendsgainedweight.Andlastyear,Harvardresearchersreportedthatstrongsocialtiescouldpromotebrainhealthasweage.“Ingeneral,theroleoffriendshipinourlivesisn’twellappreciated,”saidRebeccaG.Adams,apro
4、fessorofsociologyattheUniversityofNorthCarolina,Greensboro.“Therearealotofthingsonfamiliesandmarriage,butverylittleonfriendship.Itbafflesme.Friendshiphasabiggerimpactonourpsychologicalwell-beingthanfamilyrelationships.”BellaDePaulo,avisitingpsychologyprofessorattheUn
5、iversityofCalifornia,SantaBarbara,whoseworkfocusesonsinglepeopleandfriendships,notesthatinmanystudies,friendshiphasanevengreatereffectonhealththanaspouseorafamilymember.Itisn’tentirelyclearwhyfriendshiphassuchabigeffect.Itmaybebecausepeoplewithstrongsocialtiesalsohav
6、ebetteraccesstohealthservicesandcare.Beyondthat,however,friendshipclearlyhasaprofoundpsychologicaleffect.Peoplewithstrongfriendshipsarelesslikelythanotherstogetcolds,perhapsbecausetheyhavelowerstresslevels.Lastyear,researchersstudied34studentsattheUniversityofVirgini
7、a,takingthemtothebaseofasteephillandfittingthemwithaweightedbackpack.Theywerethenaskedtoestimatethesteepnessofthehill.Someparticipantsstoodnexttofriendsduringtheexercise,whileotherswerealone.Thestudentswhostoodwithfriendsgavelowerestimatesofthesteepnessofthehill.Andt
8、helongerthefriendshadknowneachother,thelesssteepthehillappeared.“Peoplewithstrongerfriendshipnetworksfeellikethereissomeonetheycant
