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2019-2020年高考英语一轮复习Unit5Thepowerofnature单元检测卷新人教版选修Ⅰ.阅读理解Thenewfindingsholdthatlessdemandingactivitiessuchaslisteningtoclassicalmusicprobablywon’tbringnoticeablebenefitstoanagingmind.“Itseemsitisnotenoughjusttogetoutanddosomething—itisimportanttogetoutanddosomethingthatisunfamiliarandmentallychallengingandthatprovidesbroadstimulation(刺激)mentallyandsocially”saidleadresearcherDeniseParkoftheUniversityofTexasatDallas.Thenewfindingsprovidemuch-neededinsightintothefactorsofeverydayactivitiesthatcontributetocognitivevitality(认知活力)asweage.“Weneedasasocietytolearnhowtomaintainahealthymindjustlikeweknowhowtomaintainphysicalhealthwithdietandexercise”saidPark“Weknowsolittlerightnow.”“ThisisanassumptionbutwhatifchallengingmentalactivityslowstherateatwhichthebrainagesEveryyearthatyousavecouldbeanaddedyearofhigh-qualitylifeandindependence...。