| Abstract | 第1-6页 |
| 摘要 | 第6-11页 |
| Chapter One Introduction | 第11-14页 |
| ·Significance and Purpose of the Studies on DMs | 第11-13页 |
| ·Structure of the Thesis | 第13-14页 |
| Chapter Two Literature Review | 第14-22页 |
| ·Definition of Discourse Markers (DMs) | 第14-15页 |
| ·Studies Abroad | 第15-20页 |
| ·Syntactic-pragmatic Approach to DMs | 第15-17页 |
| ·Semantic-pragmatic Approach to DMs | 第17-19页 |
| ·Cognitive-pragmatic Approach to DMs | 第19-20页 |
| ·Studies in China | 第20-21页 |
| ·Summary | 第21-22页 |
| Chapter Three Theoretical Framework | 第22-32页 |
| ·Relevance Theory | 第22-29页 |
| ·Ostensive-inferential Communication | 第22-24页 |
| ·The Principle of Relevance | 第24-27页 |
| ·Cognitive Environment | 第27-29页 |
| ·The Cognitive-Psychological Motivations for Using DMs | 第29-30页 |
| ·Summary | 第30-32页 |
| Chapter Four Pragmatic Functions of DM Well | 第32-52页 |
| ·Well as a Discourse Marker | 第32-33页 |
| ·Previous Studies on DM Well | 第33-35页 |
| ·Pragmatic Functions of DM Well | 第35-52页 |
| ·Well as a Correcting Marker | 第36-37页 |
| ·Well as a Coherence-achieving Marker | 第37-40页 |
| ·Well as a Contemplation Marker | 第40-43页 |
| ·Well as a Mitigation Marker | 第43-46页 |
| ·Well as a Turn-taking Marker | 第46-48页 |
| ·Well as an Insufficiency Marker | 第48-52页 |
| Chapter Five Conclusion | 第52-54页 |
| ·Major Findings of This Thesis | 第52-53页 |
| ·Limitations and Suggestions for Further Studies | 第53-54页 |
| References | 第54-57页 |
| Acknowledgements | 第57页 |
