要点提示：
1、 理解题意，提笔写作。此文的主题是“如何营造一个和谐寝室的氛围”。
2、 开头第一段，好的开头是成功的一半。说明寝室生活是大学生活的一部分。
3、 第二段，根据主题一一阐述，分层次描述，给人一目了然的感觉。
4、 第三段，对行文进行总结、收尾和总结。
参考例文：


Harmonious Dormitory


      As is known to all, dormitory life is a part of colorful college life, and the problem of dormitory harmony annoys many college students.
      As a member of a dormitory, we should do our best to promote the harmony of dormitory. There are several ways to create and maintain a harmonious dormitory life. Firstly, we have to evaluate our life style and try to get rid of our dirty habits. Secondly, when an annoying situation arises, we will have to tolerate each other and co-exist, or we can give the other some gentle advice if the situation affects our regular life. Thirdly, we can share our happiness or sorrows with each other and treat our roommates as our friends. We will more or less get into some trouble in college, and roommates are like our relatives to help us.
      Therefore, it needs all members’ endeavor in dormitory to build a harmonious dormitory life.