2. 职称英语
  3. Physical fitness is the result of many factors--good medical care, proper nut

Physical fitness is the result of many factors--good medical care, proper nut

游客2023-12-09  45
问题   Physical fitness is the result of many factors--good medical care,
proper nutrition, adequate rest and relaxation, and sensible personal habit. 【M1】______
But these are never enough. An essential factor is regularly physical   【M2】______
activity--exercise for a body that needs it to function well.
  All of us know that ordinary movements things as running, 【M3】______
jumping, and bending--made possible by muscles. Muscles also do 【M4】______
many other things. They suck air into your lungs, push food along
your digestive tract, and tighten your blood vessels to raise blood
pressure when you need more pressure for an emergency. Your heart
is a muscular pump.
  When your muscles are not used, or are not used enough, they
do not develop and grow proper. They soon become flabby and 【M5】______
weak, shrink in size, and lose the ability to do the jobs they were
mean to do. Recent studies showed that the average high school  【M6】______
student spends fifteen to thirty hours a week watching television and
only two hours a week in organizing play or exercise. That is one   【M7】______
reason why one-third of the 200, 000 pupils tested for the
President’s Council on Physical Fitness failed a simple test of
strength, stamina, and flexible. Some of the boys and girls could not   【M8】______
raise themselves to a sitting position without used their hands! 【M9】______
  Cars and buses, elevators and escalators, TV and push-button
machines all tend reduce strenuous physical activity. But our bodies still need 【M10】______
exercise. Without it they soon become weak, ineffective, and unattractive. [br] 【M7】
选项
答案 organizing改成organized
解析 非谓语动词错误。organizing play or exercise放在介词in的后面，介词in后的介词宾语是名词play or exercise，修饰名词的organize和名词之间是被动关系，应该用organize的过去分词形式作名词的定语，应改为organized。
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