Everyone knows that exercise is important. We all need to exercise. Doctors say it is good for us. It makes your heart and body strong. Children who often exercise are more alert (灵活). This means they do better in tests and schoolwork than those who don’t exercise.
There are many ways to exercise. You can walk, run, swim, skate, or play ball games. Make sure you exercise in the following ways; you have to like what you’re doing. Exercise enough— but not too much. It’s best to exercise twice each week, Thirty minutes each time is enough. Try all kinds of things until you find one, two or even three sports that feel right for you.
You can exercise at fitness centers. They have a lot of equipment（设备）there. The equipment will help to exercise your arms, legs and other parts of your body to make you fit. Some people buy equipment for their homes. But it is very expensive.
Exercising can be fun. Friends can exercise together at a fitness center or they can play sports together. How do you exercise?
【小题1】In the text, the writer tells us that we all need to .A．drinkB．sleepC．exerciseD．work【小题2】Which of the following sports is not mentioned (提到) in the next?A．FishingB．RunningC．SwimmingD．Walking【小题3】The words “fitness centers” in the next mean .A．商务中心B．健身中心C．购物中心D．医疗中心【小题4】The sentence, Children who often exercise are more alert, tells us that people who often exercise can do better in .A．runningB．skateC．swimD．studies【小题5】Exercising can be fun, because .A．it makes your heart and body strongB．it makes you study betterC．people can buy equipment for their homeD．friends can play sports togetherC
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(答案→)C
解析：
【小题1】主旨大意题。题目问在整篇文章中，作者告诉我们应该去做什么，既然是主旨题我们在一般情况下可以在文章的首尾段去寻找，发现文章都是在讲锻炼身体做运动，而且在文章中出现频率最多的词也是exercise,所以选C。
【小题2】细节理解题。因此我们要在文章中找到相对应的词，可以是相同的，或者是意思相近的，因此我们在第二段不难发现与B、C、D相对应的词，（文中划阴影部分），故只有A选项是在文中没有出现的，所以选A。
【小题3】细节词汇题。首先确定词汇的出处在第三段，根据整个句子来理解，整个句子说：你可以在什么中心健身，这个“什么”就是我们要猜的fitness，根据常识我们不难判断，去健身的地方只有健身中心符合，故这道题选 B。
【小题4】句意理解题。结合下文This means they do better in tests and schoolwork than those who don’t exercise.可知答案。“这就是说他们比那些不锻炼的人在考试何和作业方面做得好”。
【小题5】细节理解题。结合最后一段可知答案。