| Acknowledgements | 第1-5页 |
| Abstract in Chinese | 第5-7页 |
| Abstract in English | 第7-11页 |
| 1. A Brief Introduction to Courtroom Discourse | 第11-25页 |
| ·Introduction | 第11页 |
| ·The institutionality of the courtroom discourse | 第11-15页 |
| ·Literature review | 第15-23页 |
| ·The study of courtroom discourse abroad | 第15-21页 |
| ·The study at home | 第21-23页 |
| ·Aim and method, description of the data | 第23-24页 |
| ·The organization of the thesis | 第24-25页 |
| 2. Theoretic Framework | 第25-33页 |
| ·Introduction | 第25-26页 |
| ·Role theory | 第26-31页 |
| ·Role in Sociology and Psychology | 第26-27页 |
| ·Role in linguistics | 第27-31页 |
| ·Role in the present study | 第31-33页 |
| 3.Institutional role and discourse role | 第33-37页 |
| ·Institution: the definition | 第33页 |
| ·The relationship between institutional role and discourse role | 第33-36页 |
| ·Summary | 第36-37页 |
| 4. The institutional role in criminal courtroom | 第37-50页 |
| ·Introduction | 第37-38页 |
| ·The institutional role of the judge | 第38-43页 |
| ·Judge as an organizer | 第38-39页 |
| ·Judge as a controller | 第39-42页 |
| ·Judge as a moderator | 第42-43页 |
| ·The institutional role of the prosecutor | 第43-46页 |
| ·Prosecutor as the representative of the State | 第43-44页 |
| ·Prosecutor as inquisitor | 第44-46页 |
| ·The institutional role of the lawyer's | 第46-48页 |
| ·Lawyer as the representative of the judicial system | 第46-47页 |
| ·Lawyer as questioner | 第47-48页 |
| ·The defendant's institutional role | 第48页 |
| ·Summary | 第48-50页 |
| 5. The discourse role in the interaction | 第50-65页 |
| ·Introduction | 第50-51页 |
| ·The discourse roles adopted by different participants | 第51-60页 |
| ·The judge's discourse role | 第51-53页 |
| ·The prosecutor's discourse role | 第53-57页 |
| ·The defendant's discourse role | 第57-59页 |
| ·The Lawyer's discourse role | 第59-60页 |
| ·Role-switch | 第60-65页 |
| ·The judge's shifting to the role of 'inquisitor'.' | 第61-62页 |
| ·The prosecutor's role-switch | 第62-63页 |
| ·The defendant's role-switch | 第63页 |
| ·Summary | 第63-65页 |
| 6. Conclusion | 第65-69页 |
| ·Introduction | 第65页 |
| ·Summary of the study | 第65-67页 |
| ·Practical implications | 第67-68页 |
| ·Limitations of this study | 第68页 |
| ·Suggestions for further research | 第68-69页 |
| Bibliography | 第69-74页 |
| Appendix | 第74-75页 |
