| 摘要 | 第1-7页 |
| Abstract | 第7-11页 |
| Chapter 1 Introduction | 第11-13页 |
| ·Aim of the thesis | 第11页 |
| ·Methodology | 第11-12页 |
| ·Structure | 第12-13页 |
| Chapter 2 Literature Review | 第13-24页 |
| ·Conversational implicature theory on broadening and narrowing of word meaning | 第13-14页 |
| ·Prototype theory on broadening and narrowing of word meaning | 第14-15页 |
| ·Schematic categorization theory on broadening and narrowing of word meaning | 第15-16页 |
| ·Relevance theoretic accounts of word meaning narrowing and broadening | 第16-19页 |
| ·Broadening of word meaning | 第17-18页 |
| ·Narrowing of word meaning | 第18-19页 |
| ·Pragmatic enrichment | 第19-21页 |
| ·Pragmatic broadening of word meaning | 第20页 |
| ·Pragmatic narrowing of word meaning | 第20-21页 |
| ·Summary | 第21-24页 |
| Chapter 3 Framework of Adaptation Theory | 第24-30页 |
| ·Making choices | 第24-25页 |
| ·Variability, negotiability and adaptability | 第25-26页 |
| ·Four angels of investigation | 第26-29页 |
| ·Contextual correlates of adaptability | 第26-28页 |
| ·Structural objects of adaptability | 第28页 |
| ·Dynamics of adaptability | 第28页 |
| ·Salience of the adaptation processes | 第28-29页 |
| ·Summary | 第29-30页 |
| Chapter 4 Adaptation-theoretic Accounts | 第30-59页 |
| ·Broadening of word meaning | 第30-45页 |
| ·Round numbers as a matter of adaptation | 第30-37页 |
| ·Adaptation to context | 第30-35页 |
| ·Adaptation to mental world | 第31页 |
| ·Adaptation to social world | 第31-34页 |
| ·Adaptation to physical world | 第34-35页 |
| ·Adaptation to structure | 第35-37页 |
| ·Category extension as a matter of adaptation | 第37-45页 |
| ·Adaptation to context | 第37-43页 |
| ·Adaptation to mental world | 第38-39页 |
| ·Adaptation to social world | 第39-41页 |
| ·Adaptation to physical world | 第41-43页 |
| ·Adaptation to structure | 第43-45页 |
| ·Narrowing of word meaning | 第45-54页 |
| ·Adaptation to context | 第47-52页 |
| ·Adaptation to the mental world | 第47-49页 |
| ·Adaptation to the social world | 第49-51页 |
| ·Adaptation to the physical world | 第51-52页 |
| ·Adaptation to structure | 第52-54页 |
| ·Dynamics of adaptability | 第54-56页 |
| ·Salience | 第56-58页 |
| ·Summary | 第58-59页 |
| Chapter 5 Conclusion | 第59-63页 |
| ·Summary of findings | 第59-60页 |
| ·Implications for lexical teaching | 第60-62页 |
| ·Limitations and suggestions | 第62-63页 |
| Bibliography | 第63-66页 |
| Acknowledgements | 第66-67页 |
| 个人简历 | 第67页 |
| 发表的学术论文 | 第67页 |
