| 摘要 | 第1-4页 |
| Abstract | 第4-8页 |
| Chapter One Introduction | 第8-14页 |
| ·Study Background | 第8页 |
| ·Significance of the Study | 第8-9页 |
| ·Purpose of the Study and Research Questions | 第9-10页 |
| ·Research Plan and Methodology | 第10-11页 |
| ·Research Plan | 第10页 |
| ·Research Methodology | 第10-11页 |
| ·Organization of the Thesis | 第11-14页 |
| Chapter Two Literature Review | 第14-24页 |
| ·Previous Studies on English Euphemism | 第14-16页 |
| ·Overseas Researches on Euphemism | 第14-15页 |
| ·Domestic Research on Euphemism | 第15-16页 |
| ·Review of Political Euphemism | 第16-22页 |
| ·Definition of Political Euphemism | 第16页 |
| ·Motivation of Political Euphemism | 第16-17页 |
| ·The Function of Political Euphemism | 第17-20页 |
| ·The Constitution of Political Euphemism | 第20-21页 |
| ·The Communicative Principles of Political Euphemism | 第21-22页 |
| ·Problems in Previous Studies of Political Euphemism | 第22-24页 |
| Chapter Three Theoretical Framework: Adaptation-Relevance Model | 第24-34页 |
| ·Code model | 第24页 |
| ·Theory of Conversational Implicature | 第24-25页 |
| ·The Relevance Theory | 第25-26页 |
| ·Main Thought of the Relevance Theory | 第25-26页 |
| ·Comment on the Relevance Theory | 第26页 |
| ·The Adaptation Theory | 第26-29页 |
| ·The Three Properties of Language | 第27页 |
| ·The Interrelated Angles on Adaptation | 第27-29页 |
| ·Comment on the Adaptation Theory | 第29页 |
| ·The Adaptation-Relevance Theory | 第29-34页 |
| ·The Introduction of the Adaptation-Relevance Theory | 第29-33页 |
| ·Comment on the Adaptation-Relevance Theory | 第33-34页 |
| Chapter Four Validating the Rationality of Adaptation-Relevance Model through Obama’s Speeches | 第34-60页 |
| ·General Review of Presidential Speech | 第34-35页 |
| ·Public Speaking | 第34页 |
| ·Political Speeches | 第34-35页 |
| ·The Rationality of Political Euphemism in Obama’s Speeches from the Perspective of Adaptation-Relevance Model | 第35-59页 |
| ·Political Euphemism is Relevance-Oriented | 第36-38页 |
| ·The Process of Using Political Euphemism is a Dynamic Inter-adaptation | 第38-46页 |
| ·The Presumption of Relevance Determines the Choice of Euphemism | 第46-48页 |
| ·The Strategy Choosing of Political Euphemism in Presidential Speeches | 第48-59页 |
| ·Summary of the Study | 第59-60页 |
| Chapter Five Conclusion | 第60-64页 |
| ·Major Findings | 第60-61页 |
| ·Limitations of the Study | 第61页 |
| ·Suggestions for Future Study | 第61-64页 |
| Acknowledgements | 第64-66页 |
| Bibliography | 第66-70页 |
| 作者在读期间的科研成果 | 第70-71页 |
