| 摘要 | 第1-5页 |
| ABSTRACT | 第5-7页 |
| Contents | 第7-9页 |
| Chapter 1 Introduction | 第9-12页 |
| ·The Significance of the Study | 第9页 |
| ·The Objective of the Study | 第9-10页 |
| ·Research Methodology | 第10页 |
| ·Data Collection | 第10页 |
| ·Research Procedure | 第10页 |
| ·The Outline of the Paper | 第10-12页 |
| Chapter 2 A Review of Business Letters | 第12-16页 |
| ·The Definition of Business Letters | 第12页 |
| ·The Functions of Business Letters | 第12-13页 |
| ·The Classification of Business Letters | 第13页 |
| ·The Researches on Business Letters | 第13-16页 |
| ·The General Researches on Business Letters | 第13-14页 |
| ·The Researches on the Use of Courteous Language in Business Letters | 第14-16页 |
| Chapter 3 Verschueren's Adaptability Theory in Language Use | 第16-24页 |
| ·Literature Review of Adaptability Theory | 第16-18页 |
| ·Contextual Correlates of Adaptability | 第16-17页 |
| ·Structural Objects of Adaptability | 第17页 |
| ·Dynamics of Adaptability | 第17-18页 |
| ·The Development of Verschueren's Adaptability Theory | 第18-23页 |
| ·Review of Adaptability Theory | 第18-20页 |
| ·The Application of Adaptability Theory | 第20-23页 |
| ·Application of Adaptability Theory in the Study of Translation | 第20-21页 |
| ·Application of Adaptability Theory in Pragmatic Strategies | 第21-22页 |
| ·Application of Adaptability Theory in Explaining Literature Appreciation | 第22页 |
| ·Application of Adaptability Theory in Explaining Other Problems | 第22-23页 |
| ·Summary | 第23-24页 |
| Chapter 4 Analysis of Courteous Language in Business English Letters Based on Adaptability Theory | 第24-45页 |
| ·Politeness and Impoliteness | 第24-26页 |
| ·Analysis of Courteous Language in Business English Letters Based on Contextual Correlates of Adaptability and Dynamics of Adaptabiliity Theory | 第26-44页 |
| ·Analysis of Courteous Language in Business English Letters in the Light of Contextual Correlates of Adaptability Theory | 第27-37页 |
| ·Analysis of Examples of'You-attitude'in the Light of Contextual Correlates of Adaptability Theory | 第27-30页 |
| ·Analysis of Examples of Negative Expressions in the Light of Contextual Correlates of Adaptability Theory | 第30-34页 |
| ·Analysis of Examples of Informal Salutations and Complimentary Close in the Light of Contextual Correlates of Adaptability Theory | 第34-37页 |
| ·Analysis of Courteous Language in Business English Letters in the Light of Dynamics of Adaptability Theory | 第37-44页 |
| ·Summary | 第44-45页 |
| Chapter 5 Conclusion | 第45-47页 |
| ·Major Findings | 第45-46页 |
| ·Limitations and Suggestions | 第46-47页 |
| References | 第47-50页 |
| 个人简介 | 第50-51页 |
| 导师简介 | 第51-52页 |
| 研究成果 | 第52-53页 |
| Acknowledgements | 第53页 |
