| Abstract | 第5-6页 |
| 摘要 | 第7-10页 |
| Chapter 1 Introduction | 第10-15页 |
| 1.1 Background of the Study | 第10-11页 |
| 1.2 Motivation and Significance of the Study | 第11页 |
| 1.3 Data Collection of the Study | 第11-13页 |
| 1.4 Organization of the Thesis | 第13-15页 |
| Chapter 2 Literature Review | 第15-26页 |
| 2.1 Related Studies of Principle of Goal Direction | 第15-17页 |
| 2.2 Previous Studies of Speech Act Theory | 第17-23页 |
| 2.3 Previous Studies of Presidential Debates | 第23-26页 |
| Chapter 3 Theoretical Framework | 第26-36页 |
| 3.1 The Principle of Goal Direction | 第26-29页 |
| 3.1.1 Theoretical Basis of Principle of Goal Direction | 第26-28页 |
| 3.1.2 Pragmatic Tasks and Discourse Analysis of Principle of Goal Direction | 第28-29页 |
| 3.2 Goal Relations and Structures of Interaction | 第29-31页 |
| 3.2.1 Goal Relations | 第29-30页 |
| 3.2.2 Structures of Interaction | 第30-31页 |
| 3.2.3 The Relation between Goal Relations and Structures of Interaction | 第31页 |
| 3.3 Analysis Model of Principle of Goal Direction | 第31-36页 |
| 3.3.1 Goal Hierarchy | 第32-33页 |
| 3.3.2 Goal and Strategy | 第33页 |
| 3.3.3 Goal and Coherence | 第33-36页 |
| Chapter 4 Goal Analysis of Speech Acts in 2012 Presidential Debate | 第36-52页 |
| 4.1 The Analysis of Hierarchy | 第36-40页 |
| 4.1.1 Top-Down Analysis | 第36-38页 |
| 4.1.2 Bottom-Up Analysis | 第38-40页 |
| 4.2 The Analysis of Strategies | 第40-49页 |
| 4.2.1 Telling a Story | 第40-44页 |
| 4.2.2 Rhetorical Questions | 第44-47页 |
| 4.2.3 Irony | 第47-49页 |
| 4.3 The Analysis of Coherence | 第49-52页 |
| 4.3.1 The Macroscopic Level | 第49-50页 |
| 4.3.2 The Microcosmic Level | 第50-52页 |
| Chapter 5 Conclusion | 第52-54页 |
| 5.1 Major Findings | 第52-53页 |
| 5.2 Limitations and Suggestions for Future Studies | 第53-54页 |
| Bibliography | 第54-56页 |
| Acknowledgements | 第56页 |
