| 摘要 | 第5-7页 |
| ABSTRACT | 第7-8页 |
| Introduction | 第12-18页 |
| Chapter1 Literature Review | 第18-27页 |
| 1.1 Review of Studies on Public Speeches | 第18-22页 |
| 1.1.1 Review of Studies on Public Speeches Abroad | 第18-20页 |
| 1.1.2 Review of Studies on Public Speeches at Home | 第20-22页 |
| 1.1.3 Summary of Studies on Public Speeches Abroad and at Home | 第22页 |
| 1.2 Review of Studies on Pragmatic Theories | 第22-27页 |
| 1.2.1 Review of Studies on Pragmatic Theories Abroad | 第23-24页 |
| 1.2.2 Review of Studies on Pragmatic Theories at Home | 第24-26页 |
| 1.2.3 Summary of Studies on Pragmatic Theories Abroad and at home | 第26-27页 |
| Chapter2 Public Speeches and American President Public Speeches | 第27-34页 |
| 2.1 Introduction of Public Speeches | 第27-32页 |
| 2.1.1 Definitions of Public Speeches | 第27-28页 |
| 2.1.2 History of Public Speeches | 第28-29页 |
| 2.1.3 Nature of Public Speeches | 第29页 |
| 2.1.4 Features of Public Speeches | 第29-30页 |
| 2.1.5 Classification of Public Speeches | 第30-31页 |
| 2.1.6 Differences Between Public Speeches and Conversation | 第31页 |
| 2.1.7 Communication Process of Public Speeches | 第31-32页 |
| 2.2 Introduction of American Presidents’ Public Speeches | 第32-34页 |
| 2.2.1 The Significance of American Presidents’ Public Speeches | 第32-33页 |
| 2.2.2 The Features of American Presidents’ Public Speeches | 第33-34页 |
| Chapter3 Pragmatic Theory | 第34-42页 |
| 3.1 General Introduction of Pragmatics | 第34-35页 |
| 3.2 Pragmatics Theory | 第35-42页 |
| 3.2.1 Speech Act Theory | 第35-36页 |
| 3.2.2 The Theory of Conversational Implicature | 第36-37页 |
| 3.2.3 The Politeness Principle | 第37-38页 |
| 3.2.4 Relevance Theory | 第38页 |
| 3.2.5 The Q- and R- principles | 第38-39页 |
| 3.2.6 The Q-, I- and M-principles | 第39-40页 |
| 3.2.7 Pragmatic Strategies | 第40-42页 |
| Chapter4 A Pragmatic Comparative Study of Bush's and Obama's PublicSpeeches | 第42-100页 |
| 4.1 Pragmatic Comparative Study at the Level of Lexeme | 第42-66页 |
| 4.1.1 Use of“We” | 第50-54页 |
| 4.1.2 Use of“You” | 第54-58页 |
| 4.1.3 Use of“America”and Country” | 第58-61页 |
| 4.1.4 Use of“Free”(“Freedom”/“Liberty”) and“Work”(“Job”/“Jobs”) | 第61-65页 |
| 4.1.5 Summary | 第65-66页 |
| 4.2 Pragmatic Comparative Study at the Level of the Intertextuality | 第66-75页 |
| 4.2.1 The Similarities of the Two Presidents’ Intertextuality | 第70-71页 |
| 4.2.2 The Differences of Intertextuality | 第71-74页 |
| 4.2.3 Summary | 第74-75页 |
| 4.3 Pragmatic Comparative Study at the Level of Discourse | 第75-85页 |
| 4.3.1 Observance of the Maxim of Quantity | 第75-77页 |
| 4.3.2 Observance of the Maxim of Manner | 第77-85页 |
| 4.4 Pragmatic Functions of the Public Speeches | 第85-87页 |
| 4.4.1 Emphasizing the Theme | 第85-86页 |
| 4.4.2 Creating Deep Impression | 第86-87页 |
| 4.4.3 Getting the Hearers’Trust | 第87页 |
| 4.5 A Comparative Study of the Use of the Evasion Strategy, Euphemism, the Hedgesin Bush’s and Obama’s Answering the Public Questions | 第87-100页 |
| 4.5.1 A Comparative Study of the Use of the Evasion Strategy in Bush’s andOba ma’s Answering the Public Questions | 第87-92页 |
| 4.5.2 A Comparative Study of the Use of the Euphemism, in Bush’s and Obama’sAnswering the Public Questions | 第92-96页 |
| 4.5.3 A Comparative Study of the Use of the Hedges in Bush’s and Obama’sAnswering the Public Questions | 第96-97页 |
| 4.5.4 Summmary | 第97-100页 |
| Conclusion | 第100-106页 |
| Bibliography | 第106-111页 |
| Acknowledgements | 第111-112页 |
| Appendix | 第112-113页 |
| 详细摘要 | 第113-125页 |
