| Abstract | 第5-6页 |
| 摘要 | 第7-11页 |
| Chapter 1 Introduction | 第11-13页 |
| 1.1 Aims of the research | 第11-12页 |
| 1.2 Significance of the research | 第12页 |
| 1.3 Organization of the research | 第12-13页 |
| Chapter 2 Literature Review | 第13-21页 |
| 2.1 Previous researches on metaphor | 第13-16页 |
| 2.2 Previous researches on Critical Metaphor Analysis | 第16-19页 |
| 2.3 Previous researches on speeches | 第19-21页 |
| Chapter 3 Theoretical Framework and Research Methodology | 第21-30页 |
| 3.1 Hart’s theory of Critical Metaphor Analysis | 第21-24页 |
| 3.1.1 Hart’s metaphor in the discourse-cognition-society triangle | 第21-22页 |
| 3.1.2 Hart’s metaphor in conceptual blending theory | 第22-24页 |
| 3.2 Research questions | 第24页 |
| 3.3 Data collection | 第24-26页 |
| 3.4 Data analysis | 第26-30页 |
| Chapter 4 Results and Discussions | 第30-66页 |
| 4.1 Metaphors for life purpose | 第30-35页 |
| 4.1.1 Metaphors for making life choices | 第30-32页 |
| 4.1.2 Metaphors for the relation between idealism and reality | 第32-33页 |
| 4.1.3 Metaphors for attitudes toward self-doubt | 第33-34页 |
| 4.1.4 Metaphor for living a qualified life | 第34页 |
| 4.1.5 Metaphors for becoming communicators and serving people | 第34-35页 |
| 4.2 Metaphors for university education | 第35-48页 |
| 4.2.1 Metaphors for learning and exploring | 第35-38页 |
| 4.2.2 Metaphors for difficulties and hardships | 第38-41页 |
| 4.2.3 Metaphors for guidance and supporting from others | 第41-42页 |
| 4.2.4 Metaphor for indigenous culture in America | 第42-43页 |
| 4.2.5 Metaphors for functions of university education | 第43-47页 |
| 4.2.6 Metaphors for making contributions to universities | 第47-48页 |
| 4.3 Metaphors for social problems and the solutions | 第48-66页 |
| 4.3.1 Metaphors for social problems as a whole | 第48-49页 |
| 4.3.2 Metaphors for racial injustice | 第49-54页 |
| 4.3.3 Metaphor for political conflicts | 第54-55页 |
| 4.3.4 Metaphors for forming and following one’s own ideas | 第55-56页 |
| 4.3.5 Metaphors for attitudes toward different or opposing ideas | 第56-59页 |
| 4.3.6 Metaphors for advancing understanding and knowledge | 第59-60页 |
| 4.3.7 Metaphors for seeking common ground and cooperation | 第60-62页 |
| 4.3.8 Metaphors for understanding and friendly relationship among people | 第62-64页 |
| 4.3.9 Metaphors for sharing information and knowledge | 第64-66页 |
| Chapter 5 Conclusion | 第66-74页 |
| 5.1 Major findings of this thesis | 第66-73页 |
| 5.1.1 Conceptual metaphors identified | 第66-67页 |
| 5.1.2 Values and beliefs prevail in American higher educational institutions | 第67-73页 |
| 5.2 Limitations and suggestions for future study | 第73-74页 |
| Bibliography | 第74-78页 |
| Appendix Conceptual Metaphors Identified in the Data | 第78-80页 |
| Acknowledgements | 第80-81页 |
| Academic Achievements | 第81页 |
