Politeness Principle and its Application in Business English Writing 礼貌原则在商务英语写作中的应用.doc

2012届 　　 　　 分类号： 　　　　　　　　　　　　　　　　　 单位代码 ： 毕业论文（设计） Politeness Principle and its Application in Business English Writing 礼貌原则在商务英语写作中的应用 姓 名　 　　　　　 学 号　　　 　　　　　 年 级　 　 　　　　　 专 业　　　 　　　　　 系　（院）　　　 　　　　　 指导教师　 2012年 4 月 20 日  Politeness Principle and its Application in Business English Writing A Thesis Submitted to Foreign Languages School of University in Partial Fulfillment of the Requirements for the Degree of Bachelor of Arts By Supervisor： April 20, 2012  Acknowledgements First of all, I would like to express my sincere gratitude and appreciation to my supervisor , for his support, patience, and enlightenment throughout my academic program, and for spending so much time and efforts in reading and revising this thesis. His insightful advice and professional guidance is essential to the completion of this thesis. Also my heart felt thanks go to all the teachers and classmates who have helped me during my four-year study in the University. Thank them for their generosity and kindness in helping me when I met with difficulties. Without them, this thesis could not have been completed. Last but not least, I would like to say thanks to my parents and my brother for their love care, support and encouragement. Abstract Business letters are the letters which can be used to contact different economic bodies in trading. They are used in special field with its own distinctive forms, which can be used for testimonials. But business letters should pay more attention to the social etiquette. With the development of economics, business letters have become an important way to communicate. By sending business letters to each other, we can exchange information, contact business, negotiate and solve the problems existed in trading, and also promote friend