| Acknowledgement | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-15页 |
| Chapter 1 Introduction | 第15-19页 |
| ·Background of the Thesis | 第15-17页 |
| ·Significance of the Thesis | 第17页 |
| ·Organization of the Thesis | 第17-19页 |
| Chapter 2 Literature Review | 第19-40页 |
| ·Previous Study of Metaphor | 第19-29页 |
| ·Rhetoric Perspective of Metaphor | 第19-23页 |
| ·Comparison theory | 第19-21页 |
| ·Substitution Theory | 第21-23页 |
| ·Semantic Perspective of Metaphor- Interaction Theory | 第23-26页 |
| ·Cognitive Perspective of Metaphor | 第26-29页 |
| ·Coherence | 第29-37页 |
| ·The Development of Coherence Study | 第30-32页 |
| ·Cohesion and Coherence | 第32-34页 |
| ·Factors Influencing Discourse Coherence | 第34-37页 |
| ·Context | 第34-36页 |
| ·World knowledge | 第36页 |
| ·Script and frame | 第36-37页 |
| ·Pragmatic presupposition | 第37页 |
| ·Previous Study on Political Discourse | 第37-40页 |
| ·Previous Study of Political Discourse Abroad | 第38-39页 |
| ·Previous Study of Political Discourse in China | 第39-40页 |
| Chapter 3 Theoretical Framework and Methodology | 第40-54页 |
| ·Conceptual Metaphor | 第40-51页 |
| ·The Experiential Basis of Conceptual Metaphor | 第40-43页 |
| ·The Experiential Gestalt Subjects | 第41页 |
| ·Image Schema | 第41-42页 |
| ·The Embodied Mind Hypothesis | 第42-43页 |
| ·The Working Mechanism of Conceptual Metaphor: Cross- Domain Mapping | 第43-46页 |
| ·Character of Conceptual Metaphor—Coherence | 第46-51页 |
| ·Coherence within a Single Metaphor | 第47-48页 |
| ·Coherence between Two Aspects of a Single Concept | 第48-50页 |
| ·Complex Coherence across Conceptual Metaphors | 第50-51页 |
| ·Methodology | 第51-52页 |
| ·Reserch questions | 第51页 |
| ·Data Collection | 第51-52页 |
| ·Research Procedure | 第52页 |
| ·Data Analysis | 第52-54页 |
| Chapter 4 Metaphorical Coherence in Political Discourse | 第54-73页 |
| ·Manifestation of Metaphorical Coherence in Political Discouse | 第54-60页 |
| ·Cognitive Semantic Coherence in Political Discourse | 第54-58页 |
| ·Repetition | 第54-56页 |
| ·Synonym | 第56-57页 |
| ·Substitution | 第57-58页 |
| ·Cognitive Pragmatic Coherence in Political Discourse | 第58-60页 |
| ·Realization of Metaphorical Coherence through Mapping in Political Discourse | 第60-73页 |
| ·Metaphorical Coherence through Experiential Mapping | 第61-66页 |
| ·Metaphorical Coherence through Material Mapping | 第61-62页 |
| ·Metaphorical Coherence through Mental Mapping | 第62-63页 |
| ·Metaphorical Coherence through Relational Mapping | 第63-66页 |
| ·Metaphorical Coherence through Interpersonal Mapping | 第66-70页 |
| ·Metaphorical Coherence through Textual Mapping | 第70-73页 |
| ·Metaphorical Coherence through Content Mapping | 第71页 |
| ·Metaphorical Coherence through Style Mapping | 第71-72页 |
| ·Metaphorical Coherence through Genre Mapping | 第72-73页 |
| Chapter 5 Conclusion | 第73-76页 |
| ·Summary of This Study | 第73-74页 |
| ·Implications | 第74页 |
| ·Limitations and Suggestions | 第74-76页 |
| References | 第76-77页 |
