第一段：称呼

Dear Mr. President,

第二段：引出写信的目的

主题句： This letter comes to you from ____.

扩展句： In it, some opinions are put forward for you to reflect upon.

第三段：对学校食堂正面的看法

主题句：As you know, _____ . But unfortunately, ______.

扩展句：1、___. (举例)As a result, _____.

2、Besides, ______.

3、And what's more,_____.

第四段：对学校食堂负面的看法

主题句：Some people may argue that ____.

扩展句：1、For instance, ____ and ____.

2、But in my opinon, ______.

第五段：结尾，表明自己看法

结尾句：To be belief, though a bit dissatisfied with _____.

扩展句：I do believe that, with the efforts of all people concerned, we can solved the problems there. Thanks.Li Ming