| 摘要 | 第4-5页 |
| Abstract | 第5页 |
| Chapter One Introduction | 第9-11页 |
| 1.1 Research Background | 第9页 |
| 1.2 Purpose of the Research | 第9-10页 |
| 1.3 Organization of the Thesis | 第10-11页 |
| Chapter Two Literature Review | 第11-19页 |
| 2.1 Introduction to Political Discourse Analysis | 第11页 |
| 2.2 Previous Studies on Political Discourses | 第11-17页 |
| 2.2.1 Rhetorical Perspective | 第12页 |
| 2.2.1.1 Foreign Researches on Political Discourses from the Perspective of Rhetorics | 第12页 |
| 2.2.1.2 Domestic Researches on Political Discourses from the Perspective of Rhetorics | 第12页 |
| 2.2.2 Critical Discourse Analysis Perspective | 第12-14页 |
| 2.2.2.1 Foreign Researches on Political Discourses from the Perspective of Critical Discourse Analysis | 第12-13页 |
| 2.2.2.2 Domestic Researches on Political Discourses from the Perspective of Critical Discourse Analysis | 第13-14页 |
| 2.2.3 Cognitive Perspective | 第14-17页 |
| 2.2.3.1 Foreign Researches on Political Discourses from the Perspective of Cognitive Linguistics | 第14-16页 |
| 2.2.3.2 Domestic Researches on Political Discourses from the Perspective of Cognitive Linguistics | 第16-17页 |
| 2.3 Summary | 第17-19页 |
| Chapter Three Theoretical Foundations | 第19-28页 |
| 3.1 Conceptual Metaphor Theory | 第19-21页 |
| 3.1.1 Introduction to Conceptual Metaphor Theory | 第19-20页 |
| 3.1.2 The Working Mechanism of Conceptual Metaphor Theory | 第20-21页 |
| 3.2 NATION AS FAMILY | 第21-22页 |
| 3.3 Lakoff's Two Family-based Moral Models | 第22-27页 |
| 3.3.1 Introduction to America's Two-party Politics | 第22-24页 |
| 3.3.1.1 The Republican Party | 第23-24页 |
| 3.3.1.2 The Democratic Party | 第24页 |
| 3.3.2 The Strict Father Family Model | 第24-25页 |
| 3.3.3 The Nurturant Parent Family Model | 第25-27页 |
| 3.4 The Relationship between Conceptual Metaphor and Moral Model | 第27页 |
| 3.5 Summary | 第27-28页 |
| Chapter Four Research Methodology | 第28-31页 |
| 4.1 Introduction | 第28页 |
| 4.2 Research Questions | 第28页 |
| 4.3 Research Procedure | 第28-30页 |
| 4.4 The Present Corpora | 第30页 |
| 4.5 Summary | 第30-31页 |
| Chapter Five A Contrastive Analysis of Conceptual Metaphors in the Corpora | 第31-51页 |
| 5.1 An Analysis of the Metaphors Used by Both Obama and Buah | 第37-40页 |
| 5.1.1 ECONOMY AS PERSON | 第38-39页 |
| 5.1.2 ECONOMY AS VEHICLE | 第39-40页 |
| 5.1.3 TAX CUT AS CREDIT | 第40页 |
| 5.2 An Analysis of the Metaphors Used by Obama | 第40-47页 |
| 5.2.1 POLICY MAKING AS JOURNEY | 第40-42页 |
| 5.2.2 BREAK Metaphor | 第42页 |
| 5.2.3 MIDDLE CLASS AS PERSON | 第42-43页 |
| 5.2.4 WAR Metaphor | 第43-46页 |
| 5.2.5 LOOPHOLE Metaphor | 第46页 |
| 5.2.6 HIKING Metaphor | 第46-47页 |
| 5.3 An Analysis of the Metaphors Used by Bush | 第47-49页 |
| 5.3.1 RELIEF Metaphor | 第47-48页 |
| 5.3.2 TAX CUT AS INVESTMENT | 第48页 |
| 5.3.3 TAX CUT AS JOURNEY | 第48-49页 |
| 5.3.4 TAX AS PUNISHMENT | 第49页 |
| 5.4 Summary | 第49-51页 |
| Chapter Six A Contrastive Analysis of Moral Models in the Corpora | 第51-62页 |
| 6.1 An Analysis of Moral Models in Obama's Corpus | 第51-53页 |
| 6.2 An Analysis of Moral Models in Bush's Corpus | 第53-56页 |
| 6.3 A Contrastive Analysis of Moral Models Used by Both Obama and Bush | 第56-61页 |
| 6.3.1 MORALITY AS NURTURANCE | 第57-58页 |
| 6.3.2 MORALITY AS DEVELOPMENT | 第58页 |
| 6.3.3 MORALITY AS FAIR DISTRIBUTION | 第58-59页 |
| 6.3.4 MORALITY AS SELF-RELIANCE | 第59-60页 |
| 6.3.5 MORALITY AS COMPETITION | 第60-61页 |
| 6.4 Summary | 第61-62页 |
| Chapter Seven Conclusion | 第62-65页 |
| 7.1 Major Findings | 第62-63页 |
| 7.2 The implication | 第63-64页 |
| 7.3 Limitations and Further Research | 第64-65页 |
| Bibliography | 第65-70页 |
| Appendix | 第70-72页 |
| The List of Obama's Speeches | 第70-71页 |
| The List of Bus's Speeches | 第71-72页 |
| Acknowledgements | 第72页 |
