参考范文：
　　Sample:
　　On a Harmonious Dormitory Life
　　Dormitory life is an indispensable part of college life. But sometimes the harmony in the dormitory is disturbed in one way or another.
　　As is known to all, a harmonious dormitory life is important to college students and benefits all the members. On the one hand, we can have a good rest and put our heart into study. On the other hand, we will have a good mood and enjoy being together.
　　There are several ways to create and maintain a harmonious dormitory life. Firstly, you have to evaluate your life-style and try to get rid of your dirty habits, if there are any. Secondly, when an annoying situation arises, you’ll just have to learn to tolerate each other and co-exist. Thirdly, you’ll have to share with each other and make good friends.
　　In conclusion, we should j try our best tobuild harmonious dormitory life for the sake of.good study and sood life.

　　【词汇表达亮点】
　　indispensable adj.必不可少的，非 常重要的
　　evaluate v.评价
　　get rid of 除掉
　　disturb v.打扰
　　annoying adj.烦人的，讨厌的
　　in one way or another用这种或那种方式，以某种方式
　　arise v.产生，发生
　　tolerate v.忍受
　　as is known to all 众所周知
　　for the sake of ...为了............. 的利益，为了.... 的目的