题目内容：

假如你叫李华,你的朋友Jenny 来信向你询问如何保持健康.请你给她发一封e-mail 提出建议.内容如下:

1.注意合理饮食

2.保证充足睡眠

3.坚持锻炼身体,多参加体育活动

注意: 1.词数100左右.

2.可适当增添细节,以使行文连贯.

Dear Jenny:

____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Yours,

Li Hua