北方居民的主食是（　　）

    Hi, I am a Chinese boy (中国男孩). My name is Chen Yang. My first name is Yang. My family name is Chen. My English name is Dale. I like (喜欢) red. My telephone number is 178­4267.I have a good friend. He is English (英国人)．His name is Jim Smith. Jim is his first name and Smith is his last name. His Chinese name is Huang Qiang. His phone number is 362­4597.

你是学校英文报的小记者李华。请给你校初三学生写一封公开信，就如何保持考前健康提出建议。主要内容如下：
(1)早睡早起，保持充足睡眠；
(2)饮食均衡，少吃垃圾食品；
(3)多做体育运动；
(4)你的其它建议。
Dear students，
As we all know, good health is important for success in the exams，so I’m writing to…
Best wishes and stay healthy．
Yours，
Li Hua
注意：1．词数80左右(信的开头和结尾已给出，不计入词数)；
2．不得透露学校、姓名等任何个人信息，否则不予评分。