| ACKNOWLEDGEMENTS | 第4-7页 |
| 摘要 | 第7-9页 |
| Abstract | 第9-11页 |
| CHAPTER Ⅰ: INTRODUCTION | 第14-22页 |
| 1.1 Objectives of the Study | 第15-16页 |
| 1.2 Significance of the Study | 第16-17页 |
| 1.3 Research Questions and Methodology | 第17-20页 |
| 1.3.1 Research Questions | 第17页 |
| 1.3.2 Research Methodology | 第17-18页 |
| 1.3.3 Data Collection and Analysis | 第18-20页 |
| 1.4 Structure of the Thesis | 第20-22页 |
| CHAPTER Ⅱ: LITERATURE REVIEW | 第22-35页 |
| 2.1 Political Discourse and Presidential Speech | 第22-25页 |
| 2.2 Metaphor and Metaphorical Discourse | 第25-28页 |
| 2.3 Previous Studies of Political Speech | 第28-34页 |
| 2.3.1 Studies of Political Speech Abroad | 第29-31页 |
| 2.3.2 Studies of Political Speech at Home | 第31-33页 |
| 2.3.3 Studies of Metaphorical Discourse in American Parties' Speech | 第33-34页 |
| 2.4 Research Gaps | 第34-35页 |
| CHAPTER Ⅲ: THEORETICAL FRAMEWORK | 第35-45页 |
| 3.1 Critical Metaphor Analysis | 第35-37页 |
| 3.2 Metaphor Identification Procedure | 第37-40页 |
| 3.3 Framing Theory | 第40-42页 |
| 3.4 An Integrated Framework | 第42-45页 |
| CHAPTER Ⅳ: Framing Model Analysis of Metaphorical Discourse in American Parties' Speech | 第45-82页 |
| 4.1 Metaphorical Surface Frames | 第45-59页 |
| 4.1.1 Bush's Metaphorical Surface Frames | 第45-52页 |
| 4.1.2 Obama's Metaphorical Surface Frames | 第52-59页 |
| 4.2 Comparative Analysis of Bush's and Obama's Metaphorical Surface Frames | 第59-68页 |
| 4.2.1 Similarities of Bush's and Obama's Metaphorical Surface Frames | 第59-60页 |
| 4.2.2 Differences between Bush's and Obama's Metaphorical Surface Frames | 第60-68页 |
| 4.3 Comparative Analysis of Bush's and Obama's Deep Frames | 第68-74页 |
| 4.3.1 Small Government and Big Government | 第68-70页 |
| 4.3.2 International Authority and Cooperative Union | 第70-71页 |
| 4.3.3 Individual Responsibility and Shared Empathy | 第71-74页 |
| 4.4 Framing Model of Metaphorical Discourse in American Parties' Presidential Speeches | 第74-82页 |
| 4.4.1 Moral Concepts in 'Strict Father' and 'Nurturant Parent' | 第74-77页 |
| 4.4.2 Framing Model of Metaphorical Discourse in Bush's and Obama's Speeches | 第77-79页 |
| 4.4.3 Framing Model of Metaphorical Discourse in American Parties' Presidential Speech and Its Cognitive Processing Mechanism | 第79-82页 |
| CHAPTER Ⅴ: CONCLUSION | 第82-88页 |
| 5.1 Research Findings | 第82-86页 |
| 5.2 Implications | 第86-87页 |
| 5.3 Limitations | 第87-88页 |
| REFERENCES | 第88-100页 |
| APPENDIX: Information of Data | 第100-101页 |
| 攻读学位期间本人出版或公开发表的论著、论文 | 第101页 |
