• 2022-06-01
    阅读理解:请根据短文内容,为每题确定l个最佳选项。ANewStrategytoOvercomeBreastCancer。Post-menopausal(绝经后)womenwhowalkforanhouradaycancuttheirchanceofbreastcancersignificantly,astudyhassuggested.Thereport,whichfollowed73,000womenfor17years,foundwalkingforatleastsevenhoursaweekloweredtheriskofthedisease.TheAmericanCancerSocietyteamsaidthiswasthefirsttimereducedriskwasspecificallylinkedtowalking.UKexpertssaiditwasmoreevidencethatlifestyleinfluencedcancerrisk.ArecentpollforthecharityRamblersaquarterofadultswalkfornomorethananhouraweek,butbeingactiveisknowntoreducetheriskofanumberofcancers.Thisstudy,publishedinCancerEpidemiology,Biomarkers&Prevention,followed73.615womenoutof97,785aged50-74whohadbeenrecruitedbytheAmericanCancerSocietybetween1992and1993,soitcouldmonitortheincidenceofcancerinthegroup.Theywereaskedtocompletequestionnairesontheirhealthandonhowmuchtimetheywereactiveandparticipatinginactivitiessuchaswalking,swimmingandaerobics(有氧运动)andhowmuchtimetheyspentsittingwatchingtelevisionorreading.Theycompletedthesamequestionnairesattwo-yearintervalsbetween1997and2009.Ofthewomen,47%saidwalkingwastheironlyrecreationalactivity.Thosewhowalkedforatleastsevenhoursperweekhada14%lowerriskofbreastcancercomparedtothosewhowalkedthreeorfewerhoursperweek.Dr.AlpaPatel,aseniorepidemiologistattheAmericanCancerSocietyinAtlanta,Georgia,wholedthestudy,said:”Giventhatmorethan60%ofwomenreportsomedailywalking,promotingwalkingasahealthyleisure-timeactivitycouldbeaneffectivestrategyforincreasingphysicalactivityamongstpost-menopausalwomen.Wewerepleasedtofindthatwithoutanyotherrecreationalactivity,justwalkingonehouradaywasassociatedwithalowerriskofbreastcancerinthesewomen.””Morestrenuous(紧张的)andlongeractivitiesloweredtheriskevenmore.”BaronessDelythMorgan,chiefexecutiveofBreastCancerCampaign,said:”Thisstudyaddsfurtherevidencethatourlifestylechoicescanplayapartininfluencingtheriskofbreastcancerandevensmallchangesincorporateintoournormalday-to-dayactivitycanmakeadifference.”Sheadded:”Weknowthatthebestweapontoovercomingbreastcanceristheabilitytostopitoccurringinthefirstplace.Thechallengenowishowweturnthesefindingsintoactionandidentifyothersustainablelifestylechangesthatwillhelpuspreventbreastcancer.”Whichofthefollowingstatementsistrueaccordingtothepassage?
    A: Mostwomentakewalkingastheironlyrecreationalactivity.
    B: Walkingwastheonlyrecreationalactivityforabouthalfofthewomen.
    C: Thestudyaimstotrackthehealthconditionsofitssubjects.
    D: Irregularwalkingincreasedtheriskofbreastcancerinpost-menopausalwomen
  • 举一反三