题干
众所周知, 健康对每个人都很重要, 怎样保持健康呢?我们可以适当运动, 比如：散步, 游泳等; 吃适量的蔬菜水果; 睡眠充足, 早睡早起等。请你以How to keep heathy?为题写一篇80词左右的短文。
提示：keep healthy, go for a walk, have enough sleep
How to keep healthy?
答案(点此获取答案解析）
How to keep healthy? As we all know, being healthy is very important to everybody. But do you really know how to stay healthy? Here are some useful tips. First, we should do exercise if we have time. For example, we can go to swim in the summer holiday. O
