目前部分国家出现了甲型H1N1流感病毒，引起了大家的担忧和恐慌。健康问题越来越受到人们的关注和重视。作为一名中学生，请你以“How to keep healthy”为题，写一篇作文，谈谈我们怎样做才能拥有一个健康的身体。

要求：1．语言流畅，表达正确，逻辑清晰，字迹工整；

2．所给提示词必须都用上，也可以适当发挥；

3．80词左右，题目和开头已给出，不计入总词数。

提示词：necessary, take part in, fight diseases

How to Keep Healthy

As we know, good health is more important to us．__________________________________

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1、How to Keep Healthy

As we know, good health is more important to us. We can't study or work well without healthy body. So it’s necessary for us to pay more attention to our health.

First, we must have healthy food. We should eat more fruit, vegetable and less. We shouldn’t eat junk food.

Second, we should take an active part in sports, such as running, swimming, playing ball games and so on. Taking exercise is good for our bodies.

Finally, we may become healthier if we are usually in a good mood. In a word, we should have good habits, They can help us fight diseases.