| 中文摘要 | 第1-5页 |
| Abstract | 第5-9页 |
| Chapter 1 Introduction | 第9-13页 |
| ·General Description | 第9-10页 |
| ·The Methodology and Purpose of the Research | 第10-11页 |
| ·The Significance of the Research | 第11页 |
| ·The Organization of the Thesis | 第11-13页 |
| Chapter 2 Literature Review | 第13-20页 |
| ·An Overview of Business Correspondence | 第13-16页 |
| ·The Definition of Business Correspondence | 第13页 |
| ·The Importance of English Business Letters | 第13-14页 |
| ·Previous Researches on Business Letters | 第14-16页 |
| ·Register Theory Review | 第16-18页 |
| ·The Origin of Register Theory | 第16-17页 |
| ·Halliday’s Register Theory | 第17页 |
| ·Previous Application of Register Theory | 第17-18页 |
| ·Summary | 第18-20页 |
| Chapter 3 Theoretical Framework | 第20-29页 |
| ·Halliday’s Register Theory | 第20页 |
| ·Three Variables of Register | 第20-23页 |
| ·Field of Discourse | 第21-22页 |
| ·Tenor of Discourse | 第22-23页 |
| ·Mode of Discourse | 第23页 |
| ·Language as Function | 第23-27页 |
| ·Ideational Resources | 第24-25页 |
| ·Interpersonal Resources | 第25-26页 |
| ·Textual Resources | 第26-27页 |
| ·Relationship of the Three Variables and Linguistic System | 第27-29页 |
| Chapter 4 Field Analysis of International Business Letters | 第29-40页 |
| ·The General Field Characteristics of International Business Letters | 第29-30页 |
| ·Field Analysis of Quotation and Counter-offer Letters | 第30-38页 |
| ·Major Process Types and Participants in Quotation Letters | 第31-35页 |
| ·Major Process Types and Participants in Counter-offer Letters | 第35-38页 |
| ·The Field Comparisons between Letters of Quotation and Counter-offer | 第38-40页 |
| Chapter 5 Tenor Analysis of International Business Letters | 第40-55页 |
| ·The General Tenor Characteristics of International Business Letters | 第40-42页 |
| ·Tenor Analysis of Quotation and Counter-offer Letters | 第42-53页 |
| ·Mood Analysis of Letters of Quotation | 第43-46页 |
| ·Modality Analysis of Letters of Quotation | 第46-48页 |
| ·Mood Analysis of Letters of Counter-offer | 第48-51页 |
| ·Modality Analysis of Letters of Counter-offer | 第51-53页 |
| ·The Tenor Comparisons between Letters of Quotation and Counter-offer | 第53-55页 |
| Chapter 6 Mode Analysis of International Business Letters | 第55-65页 |
| ·The General Mode Characteristics of International Business Letters | 第55-56页 |
| ·Mode Analysis of Quotation and Counter-offer Letters | 第56-63页 |
| ·Thematic Structure of Quotation and Counter-offer Letter | 第56-57页 |
| ·Typical Theme Choices of Letters of Quotation | 第57-60页 |
| ·Typical Theme Choices of Letters of Counter-offer | 第60-63页 |
| ·The Mode Comparisons between Letters of Quotation and Counter-offer | 第63-65页 |
| Chapter 7 Conclusion | 第65-68页 |
| Appendix Quotation Letters | 第68-77页 |
| Bibliography | 第77-80页 |
| Acknowledgements | 第80-81页 |
| 发表论文和参加科研情况说明 | 第81-82页 |
