| Abstract | 第3-4页 |
| 摘要 | 第5-9页 |
| 1 Introduction | 第9-12页 |
| 1.1 The objectives of this study | 第9-10页 |
| 1.2 The significance of this study | 第10页 |
| 1.3 The organization of this thesis | 第10-12页 |
| 2 Literature Review | 第12-21页 |
| 2.1 Studies on identity and identity construction | 第12-15页 |
| 2.1.1 Previous studies on the definitions of identity and identityconstruction | 第13-14页 |
| 2.1.2 Classifications of identity | 第14-15页 |
| 2.2 Studies on identity and identity construction in academic discourse | 第15-18页 |
| 2.3 Studies on thesis defense | 第18-20页 |
| 2.4 Summary | 第20-21页 |
| 3 Theoretical Framework | 第21-30页 |
| 3.1 Pragmatic Identity Theory | 第21-24页 |
| 3.1.1 Definition of pragmatic identity | 第21-22页 |
| 3.1.2 Dynamic choices of pragmatic identity | 第22-23页 |
| 3.1.3 Discursive construction of pragmatic identity | 第23-24页 |
| 3.2 Community of Practice | 第24-25页 |
| 3.3 Linguistic Adaptation Theory | 第25-28页 |
| 3.3.1 Key notions of Linguistic Adaptation Theory | 第25-26页 |
| 3.3.2 Four angles of investigation | 第26-28页 |
| 3.4 Adaptation framework for pragmatic identity construction | 第28-30页 |
| 4 Methodology | 第30-32页 |
| 4.1 Research questions | 第30页 |
| 4.2 Data collection | 第30-31页 |
| 4.3 Research procedure | 第31-32页 |
| 5 Results and Analysis | 第32-64页 |
| 5.1 Pragmatic identity types constructed by judges | 第32-42页 |
| 5.1.1 Expert identity and its realization | 第33-36页 |
| 5.1.2 Adviser identity and its realization | 第36-40页 |
| 5.1.3 Evaluator identity and its realization | 第40-41页 |
| 5.1.4 Summary | 第41-42页 |
| 5.2 Pragmatic identity types constructed by students | 第42-49页 |
| 5.2.1 Researcher identity and its realization | 第43-45页 |
| 5.2.2 Organizer identity and its realization | 第45-47页 |
| 5.2.3 Opinion-holder identity and its realization | 第47-48页 |
| 5.2.4 Summary | 第48-49页 |
| 5.3 Adaptation of identity construction in masters' thesis defense | 第49-56页 |
| 5.3.1 The adaptation to social world | 第49-53页 |
| 5.3.2 The adaptation to mental world | 第53-55页 |
| 5.3.3 The adaptation to physical world | 第55-56页 |
| 5.3.4 Summary | 第56页 |
| 5.4 Functions of different identities in masters' thesis defense | 第56-64页 |
| 5.4.1 Functions of different identities constructed by judges | 第57-60页 |
| 5.4.2 Functions of different identities constructed by students | 第60-63页 |
| 5.4.3 Summary | 第63-64页 |
| 6 Conclusion | 第64-67页 |
| 6.1 Major findings | 第64-65页 |
| 6.2 Limitations of this study and suggestions for further work | 第65-66页 |
| 6.3 Implications of this study | 第66-67页 |
| Bibliography | 第67-72页 |
| Acknowledgements | 第72-73页 |
| 攻读硕士学位期间发表的论文 | 第73-76页 |
| Appendix | 第76页 |
