| ACKNOWLEDGEMENTS | 第1-9页 |
| ABSTRACT | 第9-10页 |
| 摘要 | 第10-13页 |
| CHAPTER I INTRODUCTION | 第13-19页 |
| ·Significance of the Present Research | 第13-14页 |
| ·Objectives of the Present Research | 第14-15页 |
| ·Research Methodology and Data Collection | 第15-16页 |
| ·The Gap between Previous Studies and the Present Research | 第16-17页 |
| ·Organization of this Thesis | 第17-19页 |
| CHAPTER II LITERATURE REVIEW | 第19-28页 |
| ·Different Perspectives of Discourse Markers | 第19-25页 |
| ·The Discourse-coherence-based Perspective | 第20-21页 |
| ·The Grammatical-pragmatic Perspective | 第21-22页 |
| ·The Cognitive-pragmatic Perspective | 第22-24页 |
| ·The Adaptation-based Perspective | 第24-25页 |
| ·Previous Studies of “Well” as a Discourse Marker | 第25-28页 |
| CHAPTER III ADAPTATION THEORY | 第28-32页 |
| ·Language and Choices-making | 第28页 |
| ·Three Properties of Language | 第28-30页 |
| ·Variability of Language | 第29页 |
| ·Negotiability of Language | 第29页 |
| ·Adaptability of Language | 第29-30页 |
| ·Four Angles of Linguistic Adaptation | 第30-32页 |
| CHAPTER IV AN ANALYSIS OF “WELL” WITHIN ADAPTATION THEORY | 第32-38页 |
| ·“Well” as Indicators of Meta-pragmatic Awareness | 第32-33页 |
| ·“Well” as a Result of Linguistic Choice-making | 第33-34页 |
| ·“Well” as a Result of Linguistic Adaptation | 第34-38页 |
| ·“Well” as a Result of the Contextual Correlates of Adaptability | 第35页 |
| ·“Well” as a Result of the Structural Objects of Adaptability | 第35-36页 |
| ·“Well” as a Result of Dynamics of Adaptability | 第36页 |
| ·“Well” as a Result of the Salience of Adaptability | 第36-38页 |
| CHAPTER V PRAGMATIC FUNCTIONS OF “WELL” IN FRIENDS | 第38-62页 |
| ·“Well” as a Result of Communicative Adaptation in Friends | 第38-44页 |
| ·Adaptation to Physical World | 第38-39页 |
| ·Adaptation to Social World | 第39-42页 |
| ·Adaptation to Mental World | 第42-44页 |
| ·Specific Pragmatic Functions of “Well” in Friends | 第44-62页 |
| ·“Well” as Indicators of Coherence | 第46-51页 |
| ·“Well” as Indicators of Insufficiency | 第51-52页 |
| ·“Well” as a Repair Marker | 第52-54页 |
| ·“Well” as a Face-threat Mitigator | 第54-56页 |
| ·“Well” as Indicators of Hesitation and Delay Device | 第56-59页 |
| ·“Well” as an Emotion Marker | 第59-62页 |
| CHAPTER VI IMPLICATIONS FOR ORAL ENGLISH TEACHING | 第62-65页 |
| CHAPTER VII CONCLUSION | 第65-68页 |
| ·Major Findings of this Study | 第65-66页 |
| ·Limitations of this Study | 第66-67页 |
| ·Suggestions for Future Research | 第67-68页 |
| REFERENCES | 第68-70页 |
