2. 专升本
  3. Walking, if you do it vigorously enough, is the overall best exercise for regular physical activity. It requires no【C1】______eve

Walking, if you do it vigorously enough, is the overall best exercise for regular physical activity. It requires no【C1】______eve

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问题     Walking, if you do it vigorously enough, is the overall best exercise for regular physical activity. It requires no【C1】______everyone knows how to do it and it carries the lowest risk of injury. The human body is【C2】______to walk. You can walk in parks or along a river or in your neighborhood. To get【C3】______benefit from walking, aiming for 45 minutes a day, an average of five days a week.
    Strength training is another important component of【C4】______activity. Its purpose is to build and maintain bone and muscle mass, both of which【C5】______with age. In general, you will want to do strength training two or three days a week, allowing【C6】______days between sessions.
    Finally, flexibility and balance training are increasingly important as the body ages. Aches and pains are high【C7】______the list of complaints in old age. The result of constant muscle tension and stiffness of joints, many of them are【C8】______and simple flexibility training can prevent these by making nuscles stronger and keeping joints lubricated(润滑) . Some of this you do【C9】______you stretch. If you watch dogs and cats, you’ll get an idea of how natural it is. The general principle is simple: whenever the body has been in one【C10】______for a while, it is good to briefly stretch it in an opposite position.
【C8】
选项 A、avoidable
B、critical
C、serious
D、necessary
答案A
解析 肌肉紧张和关节僵硬所带来的许多结果通过运动是可以避免的，简单的柔韧性训练会使肌肉变得更强壮，使关节润滑，因此能够阻止肌肉紧张和关节僵硬。A项“可避免的”，B项“批评的”，C项“严重的”，D项“有必要的”由第三段第三行“many of them are 38 and simple flexibility training can prevent these by making muscles stronger and keeping joints lubricated(润滑)．”句意可知。
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