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.
【C2】
选项 A、designed
B、planned
C、useful
D、mastered
答案A
解析 人体的构造适合走路。A项“设计”，B项“计划”，C项“有用的”，D项“掌握”。由第一段第三行“The human body is 32 to walk．”可知。
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