| 摘要 | 第5-6页 |
| ABSTRACT | 第6-7页 |
| Chapter 1 Introduction | 第12-16页 |
| 1.1 Background of the Research | 第12-14页 |
| 1.2 Significance and Purpose of the Research | 第14-15页 |
| 1.3 Organization of the Research | 第15-16页 |
| Chapter 2 Literature Review | 第16-35页 |
| 2.1 The Prototype Theory | 第16-24页 |
| 2.1.1 Categories and Categorization | 第16-19页 |
| 2.1.2 The Introduction of the Prototype Theory | 第19-23页 |
| 2.1.3 The Prototype Theory within Cognitive Semantics | 第23-24页 |
| 2.2 Analysis of the Polysemous Word Basing on the Prototype Theory | 第24-32页 |
| 2.2.1 The Definition of Polysemous Word | 第24-26页 |
| 2.2.2 the Development Process of Polysemous Word’s Meanings | 第26-30页 |
| 2.2.3 Semantic Extension from the Cognitive Viewpoint | 第30-32页 |
| 2.3 Studies on Polysemous WordAcquisition at Home andAbroad | 第32-35页 |
| 2.3.1 StudiesAbroad | 第32-34页 |
| 2.3.2 Studies at Home | 第34-35页 |
| Chapter 3 Methodology | 第35-41页 |
| 3.1 Research Questions | 第35页 |
| 3.2 Subjects | 第35-36页 |
| 3.3 Instruments | 第36-38页 |
| 3.3.1 Vocabulary Tests on Mastery Condition of Polysemous Word | 第36页 |
| 3.3.2 Questionnaire of Polysemous Word Learning Strategies | 第36-37页 |
| 3.3.3 Guessibility of the Extended Meanings of Polysemous Word | 第37-38页 |
| 3.4 Reliability and Validity of the Instruments | 第38-39页 |
| 3.4.1 Reliability and Validity of the Questionnaire | 第38-39页 |
| 3.4.2 Reliability and Validity of Two Vocabulary Tests | 第39页 |
| 3.5 Data Collection | 第39-40页 |
| 3.6 Data Analysis | 第40-41页 |
| Chapter 4 Results and Data Discussion | 第41-49页 |
| 4.1 The Mastering Condition of Polysemous Word | 第41-42页 |
| 4.2 The Usage of Polysemous Word Learning Strategies | 第42-45页 |
| 4.3 The Knowing Situation of Relationship of Polysemous Word’s Meanings | 第45-46页 |
| 4.4 The Guessing Situation of the Extended Meanings of Polysemous Word | 第46-49页 |
| Chapter 5 Specific Methods for Polysemous Word’s Learning | 第49-57页 |
| 5.1 Cognitive Connections between Metaphor and Polysemy | 第49-54页 |
| 5.2 Cognitive Connections between Metonymy and Polysemy | 第54-55页 |
| 5.3 Cognitive Connections among Metaphor, Metonymy and Polysemy | 第55-57页 |
| Chapter 6 Conclusion | 第57-64页 |
| 6.1 Main ResearchAchievements | 第57-59页 |
| 6.2 Implications | 第59-61页 |
| 6.2.1 Theoretical Implications | 第59-60页 |
| 6.2.2 Practical Implications | 第60-61页 |
| 6.3 Limitations of This Research | 第61-62页 |
| 6.4 Suggestions for Further Study | 第62-64页 |
| Bibliography | 第64-69页 |
| Acknowledgements | 第69-70页 |
| AppendixⅠ | 第70-71页 |
| AppendixⅡ | 第71-73页 |
| AppendixⅢ | 第73-75页 |
| 在学期间发表的学术论文和参加科研情况 | 第75页 |
