分析 本文讲述了一项研究,研究结果是,那些慢跑以稳定的速度不超过两个半小时的人,是不会容易去世的.而那些每周跑四小时以上或不做运动的死亡率最高.可见适当的运动才会使人长寿.
解答 61.C.细节理解题.根据文章第一段"But those who ran more than four hours a week or did no exercise had the highest death rates"可知,不锻炼的人的死亡率更高.故选C.
62.A.细节理解题.根据文章第二段的"scientists concluded the ideal pace was about 8km/h and that it was best to jog no more than three times a week or for 2.5 hours in total"可知,每周至少三次每小时8公里的慢跑.故选A.
63.B.词义猜测题.Alight轻的;Bstrong强壮的,强烈的;enough足够的;frequent频繁的.根据前文的they say changes to the heart during extreme exercise could contribute可推测,应是强烈的锻炼才能改善心肺功能.故选B.
64.B.推理预测题.根据文章第三段的No exercise recommendations across the world mention an upper limit for safe exercise,but perhaps there is one排除A;根据文章倒数第三段的Light and moderate jogging was found to be more beneficial than being inactive or undertaking strenuous jogging,possibly adding years to your life排除C;根据文章倒数第二段的National guidelines recommend we do 140 minutes of moderate-intensity activity a week排除D;根据文章第六段的This study shows that you don't have to run marathons to keep your heart healthy可知,马拉松有助于健康是符合题意的.故选B.
65.D.主旨大意题.根据文章 开头提出的论点"Those who jogged at a steady pace for less than two and a half hours a week were least likely to die in this time.But those who ran more than four hours a week or did no exercise had the highest death rates"可知,那些慢跑以稳定的速度不超过两个半小时的人,是不会容易去世的.但那些每周跑四小时以上或不做运动的死亡率最高.下文是对此研究结果的更一步解释.可见本文主要的观点是,慢跑次数太多或者不锻炼对人体健康都不好.故选D.
点评 本文是健康环保类阅读,考查学生的细节理解和推理判断能力.做细节理解题时一定要找到文章中的原句,和题干进行比较,再做出正确选择.在做推理判断题时不要以个人的主观想象代替文章的事实,要根据文章事实进行合乎逻辑的推理判断.
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