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1、Ifyouwanttostayyoung,sitdownandhaveagoodthink.阅读理解答案 Ifyouwanttostayyoung,sitdownandhaveagoodthink.ThisistheresearchfindingofateamofJapanesedoctors,whosaythatmostofourbrainsarenotgettingenoughexercise—andasaresult,weareagingunnecessarilysoon. ProfessorTa
2、ijuMatsuzawawantedtofindoutwhyotherwisehealthyfarmersinnorthernJapanappearedtobelosingtheirabilitytothinkandreasonatarelativelyearlyage,andhowtheprocessofagingcouldbesloweddown. WithateamofcolleaguesatTokyoNationalUniversity,hesetaboutmeasuringbrainvolume
3、sofathousandpeopleofdifferentagesandvaryingoccupations. Computertechnologyenabledtheresearcherstoobtainprecisemeasurementsofthevolumeofthefrontandsidesectionsofthebrain,whichrelatetointellect(智能)andemotion,anddeterminethehumancharacter.(Therearsectionofth
4、ebrain,whichcontrolsfunctionslikeeatingandbreathing,doesnotcontractwithage,andonecancontinuelivingwithoutintellect ualoremotionalfaculties.) Contractionoffrontandsideparts—ascellsdieoff—wasobservedinsomesubjectsintheirthirties,butitwasstillnotevidentin
5、somesixty-andseventy-year-olds. Matsuzawaconcludedfromhisteststhatthereisasimpleremedytothecontractionnormallyassociatedwithage—usingthehead.Thefindingsshowingeneraltermsthatcontractionofthebrainbeginssoonerinpeopleinthecountrythaninthetowns.Thoseleastatr
6、isk,saysMatsuzawa,arelawyers,followedbyuniversityprofessorsanddoctors.Whitecollarworkersdoingroutineworkingovernmentofficesare,however,aslikelytohaveshrinkingbrainsasthefarmworker,busdriverandshopassistant.Matsuzawa’sfindingsshowthatthinkingcanpreventthebr
7、ainfromshrinking.Bloodmustcirculateproperlyintheheadtosupplythefreshoxygenthebraincellsneed.“Thebestwaytomaintaingoodbloodcirculationisthroughusingthebrain,”hesays,“Thin khardandengageinconversation.Don’trelyonpocketcalculators.” 小题1:Theteamofdoctorswa
8、ntedtofindout________. whycertainpeopleagesoonerthanothers B.howtomakepeoplelivelonger C.thesizeofcertainpeople’sbrains D.whichpeoplearemostintelligent 小题2:Onwhataretheirresearchfindingsbased? Asurveyof