| Acknowledgements | 第1-4页 |
| Abstract | 第4-5页 |
| 摘要 | 第5-7页 |
| Introduction | 第7-9页 |
| Chapter 1 Review of Literature | 第9-13页 |
| ·Studies on Barack Obama's Speeches | 第9-11页 |
| ·Studies on the Application of Adaptation Theory | 第11-13页 |
| Chapter 2 Verschueren's Adaptation Theory | 第13-20页 |
| ·The Perspective on Language Use as Making Choices | 第13-14页 |
| ·Concepts of Contextual Correlates | 第14-16页 |
| ·Structural Objects of Adaptability | 第16-17页 |
| ·Dynamics of Adaptability | 第17-18页 |
| ·Degree of Salience | 第18-20页 |
| Chapter 3 An Analysis of Adaptation Process in Barack Obama's Speeches | 第20-45页 |
| ·Methodology and Data Collection | 第20-21页 |
| ·Obama’s Adaptation to Communicative Context | 第21-30页 |
| ·The Utterer and Interpreter of Obama's Speeches | 第21-23页 |
| ·Adaptation to Mental States of the Audience | 第23-25页 |
| ·Adaptation to Obama's Different Roles | 第25-29页 |
| ·Adaptation to Physical Surroundings | 第29-30页 |
| ·Linguistic Structure Chosen by Obama in His Speeches | 第30-42页 |
| ·Sound Structure | 第30-34页 |
| ·Voice and Intonation | 第30-32页 |
| ·Rhyme and Rhythm | 第32-34页 |
| ·Linguisitic Choices Made at Lexical Level | 第34-39页 |
| ·Vague Nouns and Adjectives | 第34-36页 |
| ·First-Person Pronouns | 第36-39页 |
| ·Linguistic Choices Made at Syntactical Level | 第39-41页 |
| ·Linguisitc Choices Made at Discourse Level | 第41-42页 |
| ·Dynamic Process of Adaptation in Barack Obama's Speeches | 第42-45页 |
| Chapter 4 Political Purposes behind Obama's Language | 第45-48页 |
| ·Persuading Audience | 第45-46页 |
| ·Encouraging Solidarity | 第46页 |
| ·Evading Responsibility | 第46-47页 |
| ·Creating a Desired Image | 第47-48页 |
| Chapter 5 Conclusion | 第48-50页 |
| Bibliography | 第50-54页 |
| Appendix | 第54-62页 |
| 附件 | 第62页 |
