• 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.”Dr.AlpaPatelwas_____.
    A: chiefeditorofCancerEpidemiology.
    B: chairoftheAmericanCancerSociety.
    C: headofthesurveystudy.
    D: chiefexecutiveofBreastCancerCampaign.
  • C

    举一反三

    内容

    • 0

      阅读理解:阅读下面的短文,根据文章内容从 A: B: C三个选项中选出一个最佳选项。 C: Interviewprocess D: Anxiety-provokingthoughts E: Interviewers’assumptions

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      第二部分:阅读选择阅读下面短文,请从短文后所给各题的4个选项选出1个最佳选项。 A: flexible working hours B: support from others C: available resources D: life experience

    • 2

      根据凯恩斯理论,自主投资e,引致投资-dr,社会总投资I之间的关系可表示为()。 A: I=e-dr B: I=e/(-dr) C: I=e×(-dr) D: -dr=I/e

    • 3

      根据凯恩斯理论,自主投资e,引致投资-dr,社会总投资I之间的关系可表示为() A: I=e-dr B: I=e/(-dr) C: I=e×(-dr) D: -dr=I/e

    • 4

      描述金属电阻应变片工作原理的是( )。 A: dR/R= dL/L-dS/S B: dR/R=dL/L C: dR/R=Kε