| ACKNOWLEDGEMENTS | 第8-9页 |
| 摘要 | 第9-10页 |
| ABSTRACT | 第10页 |
| LIST OF ABBREVIATIONS | 第14-15页 |
| CHAPTER I INTRODUCTION | 第15-20页 |
| 1.1 Background of the Research | 第15-17页 |
| 1.2 Significance of the Research | 第17-18页 |
| 1.3 Layout of the Thesis | 第18-20页 |
| CHAPTER II LITERATURE REVIEW | 第20-38页 |
| 2.1 Researches on New Product Launch Event Overseas and Domestically | 第20-27页 |
| 2.1.1 Introduction to PLE | 第20-21页 |
| 2.1.2 The Rising Electronics Launch Event (EPLE) | 第21-24页 |
| 2.1.3 Researches on PLE Overseas and Domestically | 第24-27页 |
| 2.2 Researches on Presupposition Overseas and Domestically | 第27-38页 |
| 2.2.1 Researches on Presupposition Overseas | 第27-34页 |
| 2.2.2 Researches on Presupposition Domestically | 第34-38页 |
| CHAPTER III THEORETICAL FRAMEWORK | 第38-44页 |
| 3.1 Levinson’s Theories about Pragmatic Presupposition | 第38-41页 |
| 3.2 Theoretical Framework of the Present Study | 第41-44页 |
| CHAPTER IV METHODOLOGY | 第44-47页 |
| 4.1 Research Questions | 第44页 |
| 4.2 Data Collection | 第44-45页 |
| 4.3 Research Tools | 第45-46页 |
| 4.4 Research Procedures | 第46-47页 |
| CHAPTER V ANALYSIS OF PRAGMATIC PRESUPPOSITIONS OF EPLES | 第47-83页 |
| 5.1 Pragmatic Presupposition on Lexical Level | 第47-66页 |
| 5.1.1 Verbs as PTs | 第48-56页 |
| 5.1.2 Restrictive Expressions as PTs | 第56-59页 |
| 5.1.3 Iteratives as PTs | 第59-62页 |
| 5.1.4 Other Particles as PTs | 第62-66页 |
| 5.1.5 Summary | 第66页 |
| 5.2 Pragmatic Presuppositions on Syntactical Level | 第66-75页 |
| 5.2.1. Temporal Clauses as PTs | 第67-69页 |
| 5.2.2 Cleft Sentences as PTs | 第69-70页 |
| 5.2.3 Comparative Structures as PTs | 第70-72页 |
| 5.2.4 Counterfactual Conditionals as PTs | 第72-74页 |
| 5.2.5 Questions as PTs | 第74-75页 |
| 5.2.6 Summary | 第75页 |
| 5.3 The Functions of Pragmatic Presuppositions in the Speech of EPLEs | 第75-83页 |
| 5.3.1 Strengthening Cohesion and Coherence | 第77-78页 |
| 5.3.2 Being Informative | 第78-79页 |
| 5.3.3 Focusing Information | 第79页 |
| 5.3.4 Attaining Language Economy | 第79-80页 |
| 5.3.5 Causing Resonance and Persuasion | 第80-83页 |
| CHAPTER VI CONCLUSION | 第83-86页 |
| 6.1 Major Findings | 第83-84页 |
| 6.2 Limitations and Suggestions | 第84-86页 |
| WORKS CITED | 第86-88页 |
