| ACKNOWLEDGEMENTS | 第1-4页 |
| ABSTRACT | 第4-6页 |
| 摘要 | 第6-8页 |
| CONTENTS | 第8-10页 |
| List of Figures and Tables | 第10-11页 |
| List of Abbreviations | 第11-12页 |
| Chapter One Introduction | 第12-15页 |
| ·Research background | 第12-13页 |
| ·Research rationale | 第13-14页 |
| ·Structure of the thesis | 第14-15页 |
| Chapter Two Literature Review | 第15-29页 |
| ·Defining discourse,identity and politeness strategies | 第15-19页 |
| ·Discourse | 第15-16页 |
| ·Identity and national identity | 第16-17页 |
| ·Politeness strategy | 第17-18页 |
| ·Discursive construction of identity:A Foucauldian perspective | 第18-19页 |
| ·Previous studies on politeness strategy | 第19-21页 |
| ·Previous critical discourse studies on identity | 第21-24页 |
| ·Previous linguistic studies on political press conferences | 第24-29页 |
| Chapter Three Theoretical Framework | 第29-43页 |
| ·Fairclough's three-dimensional approach to discoures analysis | 第29-34页 |
| ·Discourse as text | 第30-31页 |
| ·Discourse as discursive practice | 第31-33页 |
| ·Discourse as social practice | 第33-34页 |
| ·Brown & Levinson's Model of Politeness Strategy:An analytical framework for textual analysis | 第34-41页 |
| ·Bald-on-record strategy | 第35页 |
| ·Positive politeness strategy | 第35-37页 |
| ·Negative politeness strategy | 第37-39页 |
| ·Off-record strategy | 第39-41页 |
| ·Summary | 第41-43页 |
| Chapter Four Methodology | 第43-48页 |
| ·Research questions | 第43页 |
| ·Data collection | 第43-45页 |
| ·Data analysis | 第45-48页 |
| Chapter Five Results and Discussion | 第48-78页 |
| ·Employment of politeness strategies | 第48-61页 |
| ·Employment of positive politeness strategies | 第49-54页 |
| ·Employment of negative politeness strategies | 第54-57页 |
| ·Employment of off-record strategies | 第57-60页 |
| ·Summary | 第60-61页 |
| ·Discursive interpretation of national identity construction | 第61-73页 |
| ·General identity as a developing country:Sincerity for communication and cooperation | 第62-64页 |
| ·Domestic identity as the people-based central leadership:Intimacy with and affinity for the Chinese public | 第64-67页 |
| ·Use of the positive politeness strategy "Include both S and H" | 第64-66页 |
| ·Use of the positive politeness strategy "Be optimistic" | 第66页 |
| ·Use of the positive politeness strategy "Notice, attend to H" | 第66-67页 |
| ·Foreign identity as a responsible emerging power:Sensitivity with a mixture of toughness and softness | 第67-73页 |
| ·Use of the negative politeness strategy "Questions and hedges" | 第68-70页 |
| ·Use of the off-record strategy "Be vague" | 第70-71页 |
| ·Use of the off-record strategy "Presuppose" | 第71页 |
| ·Use of the positive politeness strategy "Be optimistic" | 第71-73页 |
| ·Explanation of the underlying causes | 第73-78页 |
| ·Genre pragmatic features | 第73-74页 |
| ·Social background | 第74-78页 |
| ·Institutional context | 第74-75页 |
| ·Situational context | 第75-77页 |
| ·Societal context | 第77-78页 |
| Chapter Six Conclusion | 第78-83页 |
| ·Major findings | 第78-80页 |
| ·Implications | 第80-81页 |
| ·Limitations and suggestions | 第81-83页 |
| REFERENCES | 第83-90页 |
| APPENDIX:Data decodine | 第90-101页 |
| 攻读学位期间发表的学术论文 | 第101-103页 |
