| ACKNOWLEDGEMENTS | 第1-5页 |
| 内容提要 | 第5-8页 |
| ABSTRACT | 第8-14页 |
| List of Figures | 第14页 |
| List of Tables | 第14-15页 |
| List of Abbreviations | 第15-16页 |
| Chapter One Introduction | 第16-23页 |
| ·Research Background | 第16-17页 |
| ·Research Objectives and Research Questions | 第17-19页 |
| ·Research Methodology | 第19-22页 |
| ·Corpus design | 第19-21页 |
| ·Model-building and data analysis | 第21-22页 |
| ·Organization of this Dissertation | 第22-23页 |
| Chapter Two Literature Review | 第23-46页 |
| ·Introduction | 第23-24页 |
| ·Previous Studies of Political Discourse | 第24-35页 |
| ·Working Definition | 第24-26页 |
| ·Political discourse | 第24-25页 |
| ·Political speech | 第25-26页 |
| ·Rhetorical approach to political discourse | 第26-28页 |
| ·Discourse analysis approach to political discourse | 第28-31页 |
| ·Conceptual metaphor approach to political discourse | 第31-35页 |
| ·From linguistic metaphor to conceptual metaphor | 第31-33页 |
| ·Metaphors in political discourse | 第33-35页 |
| ·Previous Studies of Appraisal Theory (AT) | 第35-40页 |
| ·From Systemic Functional Linguistics to Appraisal Theory | 第35-38页 |
| ·Development and application of Appraisal Theory | 第38-40页 |
| ·Related Studies in China | 第40-43页 |
| ·Studies of political discourse in China | 第40页 |
| ·Studies of conceptual metaphor in China | 第40-41页 |
| ·Studies of AT in China | 第41-43页 |
| ·Summary | 第43-46页 |
| Chapter Three Attitude System in Appraisal Theory | 第46-68页 |
| ·Introduction | 第46页 |
| ·Studies on Attitude | 第46-48页 |
| ·Attitudinal Resources | 第48-49页 |
| ·Attitude System in Appraisal Theory | 第49-66页 |
| ·Affect | 第52-57页 |
| ·Classification of Affect | 第53-56页 |
| ·Realization of Affect | 第56-57页 |
| ·Judgement | 第57-62页 |
| ·Social sanction and social esteem | 第58-59页 |
| ·Explicit and implicit Judgement | 第59-60页 |
| ·Judgement and ideology | 第60-61页 |
| ·Realization of Judgement | 第61-62页 |
| ·Appreciation | 第62-64页 |
| ·Classification of Appreciation | 第62-63页 |
| ·Appreciation and Judgement | 第63-64页 |
| ·Interplay of Affect, Judgement and Appreciation | 第64-66页 |
| ·Summary | 第66-68页 |
| Chapter Four Extended Attitude Model (EAM) | 第68-80页 |
| ·Introduction | 第68页 |
| ·Attitudinal Meanings from Cognitive Perspective | 第68-73页 |
| ·From linguistic to cognitive perspective | 第68-69页 |
| ·Metaphor and attitude | 第69-70页 |
| ·Conceptual Metaphor Theory (CMT) | 第70-73页 |
| ·Building Extended Attitude Model (EAM) | 第73-77页 |
| ·AT and CMT –theoretical foundations of EAM | 第73-74页 |
| ·Combination of AT and CMT to build EAM | 第74-77页 |
| ·Application of Extended Attitude Model | 第77-78页 |
| ·Critical Discourse Analysis-centered approach | 第77-78页 |
| ·Application scope | 第78页 |
| ·Summary | 第78-80页 |
| Chapter Five EAM-based Analysis of President Bush’s Speeches on Fighting Terror | 第80-117页 |
| ·Introduction | 第80-81页 |
| ·Lexical Approach –AT-based Study on Bush’s Speeches | 第81-96页 |
| ·Overview of attitudinal words in Bush’s speeches | 第81-84页 |
| ·Value-based discussion of attitudinal words in Bush’s speeches | 第84-91页 |
| ·Affect values | 第84-85页 |
| ·Judgement values | 第85-89页 |
| ·Appreciation values | 第89-91页 |
| ·Sample analysis of attitudinal meanings in Bush’s speeches | 第91-96页 |
| ·Conceptual Approach –CMT-based Study of Bush’s Speeches | 第96-104页 |
| ·Overview of metaphor in Bush’s speeches | 第96-99页 |
| ·Metaphor-based discussion in Bush’s speeches | 第99-104页 |
| ·Ontological metaphor | 第99-102页 |
| ·Structural metaphor | 第102-104页 |
| ·EAM-based Analysis of Bush’s Speeches | 第104-115页 |
| ·Consistent attitude in Bush’s speeches | 第104-105页 |
| ·Analysis of attitude based on conflict between “we”and “they” | 第105-111页 |
| ·Lexical approach | 第105-109页 |
| ·Conceptual approach | 第109-111页 |
| ·Holistic view of attitude conveyed through attitudinal words and metaphor | 第111-115页 |
| ·Summary | 第115-117页 |
| Chapter Six Conclusion | 第117-122页 |
| ·Summary of Major Findings | 第117-119页 |
| ·Research Significance | 第119-120页 |
| ·Research Limitations and Suggestions for Future Research | 第120-122页 |
| Bibliography | 第122-135页 |
