【2018·全国I】阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。
According to a review of evidence in a medical journal, runners live three years ___61___(long) than non-runners. You don't have to run fast or for long___62___(see)the benefit. You may drink, smoke, be overweight and still reduce your risk of ___63___ (die) early by running. While running regularly cann't make you live forever, the review says it ___64___ (be) more effective at lengthening life___65___ walking, cycling or swimming. Two of the authors of the review also made a study published in 2014___66___showed a mere five to 10 minutes A day of running reduced the risk of heart disease and early deaths from all ___67___(cause).
The best exercise is one that you enjoy and will do. But otherwise… it's probably running. To avoid knee pain, you can run on soft surfaces, do exercises to___68___(strength)your leg muscles(肌肉),avoid hills and get good running shoes. Running is cheap, easy and it's always___69___(energy).If you are time poor, you need run for only half the time to get the same benefits as other sports, so perhaps we should all give___70___a try.
【答案】61. longer
62. to see 63. dying
64. is 65. than
66. that \which
67. causes 68. strength
69. energetic
70. it \running
【解析】本文是一篇说明文。文章讲述了跑步的好处，它可以帮助人们延年益寿。
61. 考查副词的比较级。医学报告显示：经常跑步的人比不跑步的人多活3年。根据than可知用比较级，故填longer。
62. 考查不定式作目的状语。你不必跑地太快或时间太长就能看到它的好处。此处不定式作目的状语，故填to see。