| ABSTRACT | 第7-8页 |
| 摘要 | 第9-11页 |
| List of Tables and Figures | 第11-12页 |
| Chapter 1 Introduction | 第12-17页 |
| 1.1 Research Background | 第12-14页 |
| 1.2 Purpose and Significance of the Present Study | 第14-15页 |
| 1.3 Structure of the Thesis | 第15-17页 |
| Chapter 2 Literature Review | 第17-32页 |
| 2.1 Previous Studies on Business Conference Speeches | 第17-24页 |
| 2.1.1 Public Speaking | 第17-18页 |
| 2.1.2 The Definition of Business Conference Speeches | 第18-19页 |
| 2.1.3 The Classification of Business Conference Speeches | 第19-20页 |
| 2.1.4 Features of Effective Business Conference Speeches | 第20-24页 |
| 2.2 Reviews on Presupposition | 第24-32页 |
| 2.2.1 A Brief History of Research on Presupposition | 第24-26页 |
| 2.2.2 Semantic Presupposition | 第26-27页 |
| 2.2.3 Pragmatic Presupposition | 第27-28页 |
| 2.2.4 Properties of Pragmatic Presupposition | 第28-31页 |
| 2.2.5 Presupposition Triggers | 第31-32页 |
| Chapter 3 Theoretical Framework | 第32-40页 |
| 3.1 Basic Notions | 第32-33页 |
| 3.1.1 Nominalization and Nominalization Presupposition | 第32页 |
| 3.1.2 Explicitly Triggered Pragmatic Presupposition and Implicitly Evaluative Pragmatic Presupposition | 第32-33页 |
| 3.2 Relevant Theories | 第33-39页 |
| 3.2.1 Classification of Presupposition Triggers | 第33-37页 |
| 3.2.2 Theories of Language Evaluation | 第37-39页 |
| 3.3 The Theoretical Framework of the Present Study | 第39-40页 |
| Chapter 4 Research Methodology | 第40-43页 |
| 4.1 Research Questions | 第40页 |
| 4.2 Data Collection | 第40-41页 |
| 4.3 Instrument | 第41-42页 |
| 4.4 Data Analysis | 第42-43页 |
| Chapter 5 Results and Discussion | 第43-69页 |
| 5.1 Explicitly Triggered Pragmatic Presuppositions in the Corpus of BCSs | 第43-62页 |
| 5.1.1 Explicitly Triggered Pragmatic Presuppositions at Lexical Level | 第43-57页 |
| 5.1.1.1 By Restrictive Expressions | 第43-45页 |
| 5.1.1.2 By five Kinds of Verbs | 第45-53页 |
| 5.1.1.3 By Iterative Particles | 第53-54页 |
| 5.1.1.4 By Other Particles | 第54-55页 |
| 5.1.1.5 By Nominalization Presupposition | 第55-57页 |
| 5.1.2 Explicitly Triggered Pragmatic Presuppositions at Syntactic Level | 第57-62页 |
| 5.1.2.1 By Cleft Sentences | 第57-58页 |
| 5.1.2.2 By Comparative Structures | 第58-60页 |
| 5.1.2.3 By Temporal Clauses | 第60-61页 |
| 5.1.2.4 By Non-restrictive Clauses | 第61-62页 |
| 5.2 Implicitly Evaluative Pragmatic Presuppositions | 第62-69页 |
| 5.2.1 Implicitly Evaluative Pragmatic Presuppositions at Lexical Level | 第62-67页 |
| 5.2.1.1 By Evaluative Nouns | 第63-65页 |
| 5.2.1.2 By Evaluative Verbs | 第65-66页 |
| 5.2.1.3 By Evaluative Adjectives | 第66-67页 |
| 5.2.2 Implicitly Evaluative Pragmatic Presuppositions at Syntactic Level | 第67-69页 |
| Chapter 6 Conclusion | 第69-73页 |
| 6.1 Major Findings | 第69-70页 |
| 6.2 Implications of the Present Study | 第70-71页 |
| 6.3 Limitations and Suggestions for Further Studies | 第71-73页 |
| References | 第73-76页 |
| Appendix Lists of Business Conference Speeches | 第76-78页 |
| Acknowledgements | 第78-79页 |
| 学位论文评阅及答辩情况表 | 第79页 |
