精选优质文档-倾情为你奉上How to keep healthy As we all know, its very important to keep healthy. But do you know how to keep healthy?Here are four rules. First of all, I think we must have enough food to keep us healthy. Breakfast is necessary. It gives us energy for morning. We must also have the healthy food. Remember to eat more fruit and vegetables, but less junk food. Dont forget to wash your hands before meals.Then, its necessary for us to take exercise. Exercise will keep us active