Keep healthy is important. But now keep healthy is very diffcult.let me tell you how to keep healthy?We must have enough food evey day.And we could keep healthy through play basketbal.Old people aslo should keep healthy.保持健康很重要。但是现在保持健康很困难。让我来告诉你怎样保持健康?每天吃足够的食物,打篮球来保持健康。老年也需要保持健康。
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