题目内容
假设李磊是你(李平)的朋友，他给你写了一封邮件，向你寻求一些如何保持健康的建议。请你给他回一封邮件，给他提出一些建议。你的回信中需要包含以下内容。
健康对于我们来说是非常重要的。为了保持健康，我们需要知道一些常识（common knowledge）。
首先，注意你的饮食。你应该吃大量的水果和蔬菜。因为水果和蔬菜对健康有益。同时,不要吃太多含脂肪（fat）的食物。
其次，锻炼时必需的，经常性的锻炼能使你保持身材。专家建议青少年每天花至少半小时锻炼。
最后，养成良好的生活习惯。充足的睡眠能让你看上去很棒。
如果你能遵循以上建议，你一定能保持健康。
词数100左右。格式已经给出。
Dear Lilei,
I was very glad to hear from you and I’d like to share the way to keep fit with you.
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Yours
Liping
Health is very important for all of us. In order to stay healthy, we need to know some common knowledge.
Firstly, pay attention to your diet. You should eat lots of fruit and vegetables, because they are good for health. Meanwhile, don’t eat too much food that contains fat. Secondly, exercise is necessary. Regular exercise can help you keep fit. The expert suggest that teenagers spend at least 30 minutes exercising. Finally, form the good living habit. Enough sleep can make you look great!
If you can follow the suggestions above, you are sure to keep fit.
