| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 摘要 | 第7-8页 |
| Contents | 第8-10页 |
| A List of Tables and Figures | 第10-11页 |
| Chapter One Introduction | 第11-15页 |
| ·Rationale of the study | 第11-12页 |
| ·Purpose of the study | 第12-13页 |
| ·Methodology | 第13页 |
| ·Organization of the thesis | 第13-15页 |
| Chapter Two Literature Review | 第15-25页 |
| ·The terms of Discourse Marker | 第15-16页 |
| ·Different definitions of Discourse Markers | 第16-18页 |
| ·Previous Studies of Discourse Markers abroad | 第18-23页 |
| ·Previous Studies of Discourse Markers in china | 第23-24页 |
| ·Summary | 第24-25页 |
| Chapter Three Theoretic Foundation | 第25-37页 |
| ·Relevance Theory | 第25-28页 |
| ·Ostensive-inferential communication process | 第26-27页 |
| ·The principles of the relevance theory | 第27-28页 |
| ·Relevance-theoretical accounts of Discourse Markers | 第28-36页 |
| ·Cognitive motivation | 第29-31页 |
| ·Conceptual meaning & procedural meaning | 第31-32页 |
| ·Explicature and implicature | 第32-33页 |
| ·Contextual effect | 第33-36页 |
| ·Summary | 第36-37页 |
| Chapter Four A functional study of "well" in the big bang theory | 第37-54页 |
| ·An introduction to the big bang theory | 第37页 |
| ·"Well" as a Discourse marker | 第37-40页 |
| ·Pragmatic function of DM well | 第40-53页 |
| ·Well as a contemplation marker | 第41-44页 |
| ·Well as a mitigation marker | 第44-47页 |
| ·Well as a coherence-achieving marker | 第47-49页 |
| ·Well as a turn-shifting marker | 第49-51页 |
| ·Well as a correcting marker | 第51-53页 |
| ·Summary | 第53-54页 |
| Chapter Five Conclusion | 第54-57页 |
| ·Major findings of the study | 第54-55页 |
| ·Implications of the study | 第55页 |
| ·Limitations of the study and suggestions for further research | 第55-57页 |
| References | 第57-61页 |
| Publications | 第61页 |
