| Acknowledgements | 第1-5页 |
| Abstract in Chinese | 第5-7页 |
| Abstract in English | 第7-11页 |
| 1.Introduction | 第11-14页 |
| ·Introduction to TV interview | 第11页 |
| ·Objective and significance of the present study | 第11-12页 |
| ·Data collection and methodology | 第12-13页 |
| ·Organization of the study | 第13-14页 |
| 2.A Brief Review of Previous Research Work | 第14-24页 |
| ·Introduction | 第14-15页 |
| ·Previous studies of discourse markers abroad and in China | 第15-22页 |
| ·Introduction | 第15-16页 |
| ·Discourse coherence perspective | 第16-17页 |
| ·Grammatical-pragmatic perspective | 第17-19页 |
| ·Cognitive-pragmatic perspective | 第19-21页 |
| ·Previous studies of Chinese DMs | 第21-22页 |
| ·Previous linguistic studies of TV interview | 第22-24页 |
| 3.The Conceptual Framework | 第24-36页 |
| ·Working definition of DMs | 第24-25页 |
| ·Theoretical foundation | 第25-30页 |
| ·Introduction | 第25-26页 |
| ·Relevance theory | 第26-30页 |
| ·The definition of optimal relevance and principles of relevance | 第26-27页 |
| ·Cognitive context,contextual effects and processing effort | 第27-30页 |
| ·Conceptual framework of present study | 第30-36页 |
| ·Cognitive motivation of employing DMs | 第30-32页 |
| ·The features of discourse markers in TV interview | 第32-34页 |
| ·Procedures of conducting the study | 第34-36页 |
| 4.Classification and Constraining Functions of DMs in TV Interview | 第36-51页 |
| ·Classification of DMs in TV interview | 第36-44页 |
| ·Inferential markers | 第37-38页 |
| ·Contrastive markers | 第38-40页 |
| ·Reformulation markers | 第40-41页 |
| ·Evidential markers | 第41-42页 |
| ·Tag questions | 第42-44页 |
| ·Constraining Functions of DMs in TV interview | 第44-51页 |
| ·DMs and contextual effects | 第44页 |
| ·Constraining functions of DMs in TV interview | 第44-48页 |
| ·Discourse markers strengthening existing assumptions | 第44-46页 |
| ·Discourse markers contradicting an existing assumption | 第46-47页 |
| ·Discourse markers combining with an existing assumption to yield a new contextual implication | 第47-48页 |
| ·Statistical analysis of the use frequency of DMs in constraining functions on the interpretation | 第48-51页 |
| 5.Conclusion | 第51-55页 |
| ·Major findings | 第51-52页 |
| ·Limitations | 第52-53页 |
| ·implications for further study | 第53-55页 |
| Bibliography | 第55-56页 |