| 摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| Chapter 1 Introduction | 第10-14页 |
| ·Statement of problems | 第10-11页 |
| ·Research methods | 第11-12页 |
| ·Significance of this study | 第12-14页 |
| Chapter 2 Literature review | 第14-26页 |
| ·Introduction of business letters | 第14-18页 |
| ·Definition of business letters | 第14-15页 |
| ·Stylistic features of business letters | 第15-18页 |
| ·Statement of Cooperative Principles and Politeness Principles | 第18-23页 |
| ·Grice's Cooperative Principles and Leech's Politeness Principles | 第18-19页 |
| ·Statement of seven Cs in business writing | 第19-21页 |
| ·Studies on application of CP and PP into business letter writings | 第21-23页 |
| ·Studies on Business English teaching | 第23-26页 |
| ·Definitions of Business English | 第23-24页 |
| ·Business English teaching | 第24-26页 |
| Chapter 3 Pragmatic analysis of students' business letter writing | 第26-40页 |
| ·Difficulties of English use within business contexts | 第26-34页 |
| ·Statement of errors in language use | 第26-31页 |
| ·Reasons for errors of English use | 第31-34页 |
| ·Examples and further explanations of improper tones | 第34-37页 |
| ·Examples of improper tones | 第34-35页 |
| ·Causes for improper tones | 第35-37页 |
| ·Errors caused by the lack of business knowledge and operations | 第37-40页 |
| ·Examples from English majors' writings | 第37-38页 |
| ·Reasons for the mistakes concerning business knowledge and practice | 第38-40页 |
| Chapter 4 Teaching business letter writing based on CP and PP | 第40-61页 |
| ·Needs analysis of English majors | 第40-43页 |
| ·Improvement of Business English teachers' professionalism | 第43-45页 |
| ·Classroom activities, teaching materials and aids | 第45-51页 |
| ·Methods of composing successful business letters in the writing process | 第51-61页 |
| ·Planning | 第51-53页 |
| ·Drafting | 第53-55页 |
| ·Revising | 第55-61页 |
| Chapter 5 Conclusion | 第61-64页 |
| ·Major findings | 第61-62页 |
| ·Implications | 第62-63页 |
| ·Limitations and suggestions for further study | 第63-64页 |
| References | 第64-67页 |
| Publication | 第67-68页 |
| Acknowledgements | 第68-69页 |
| Resume | 第69页 |
