| Abstract | 第1-6页 |
| 摘要 | 第6-9页 |
| Chapter 1 Introduction | 第9-12页 |
| ·Research background | 第9-10页 |
| ·Objectives and significance of the study | 第10-11页 |
| ·Layout of the thesis | 第11-12页 |
| Chapter 2 Literature Review | 第12-22页 |
| ·Contrast relation as one kind of clause relation | 第12-17页 |
| ·Concept of clause relation and its classification | 第12-15页 |
| ·Contrast relation and its exploration | 第15-17页 |
| ·Contrastive discourse markers | 第17-21页 |
| ·Three approaches to CDMs | 第17-19页 |
| ·Previous studies of CDMs | 第19-21页 |
| ·Limitations of the previous studies | 第21-22页 |
| Chapter 3 Theoretical Bases for This Study | 第22-27页 |
| ·Halliday and Hasan’s adversatives | 第22-23页 |
| ·Classification of contrast relation | 第23-27页 |
| Chapter 4 Methodology | 第27-30页 |
| ·Data description | 第27-28页 |
| ·Data collection | 第28页 |
| ·Analytical procedure | 第28-30页 |
| Chapter 5 Data Analysis and Discussion | 第30-50页 |
| ·CDMs in academic journal articles | 第30-35页 |
| ·Frequency distribution of individual CDMs | 第30-31页 |
| ·CDMs in non-contrast relation | 第31-32页 |
| ·Feature of CDMs | 第32-35页 |
| ·Contrast relation | 第35-45页 |
| ·Semantic types of contrast relation | 第36页 |
| ·Frequency distribution of contrast relation | 第36-38页 |
| ·Features of the four contrast relation | 第38-43页 |
| ·Contrast relation reflected by certain CDMs | 第43-45页 |
| ·Features of contrast relation in academic writing structures | 第45-50页 |
| Chapter 6 Conclusion | 第50-54页 |
| ·Major findings | 第50-51页 |
| ·Implications to English learning and teaching | 第51-52页 |
| ·Limitations of the Research | 第52-54页 |
| Bibliography | 第54-57页 |
| Appendix | 第57-59页 |
| Acknowledgements | 第59页 |
