| 摘要 | 第1-6页 |
| Abstract | 第6-13页 |
| Chapter One Introduction | 第13-17页 |
| ·Background and Significance of the Study | 第13-14页 |
| ·Relevant Empirical Studies on Polysemy in and outside China | 第14-15页 |
| ·Aims and Outline of the Study | 第15-17页 |
| Chapter Two Literature Review | 第17-24页 |
| ·Previous Research on Polysemy | 第17-19页 |
| ·Definition of Polysemy | 第17页 |
| ·Two Processes Leading to Polysemy | 第17-19页 |
| ·Linguistic Researches on Polysemy at Home and Abroad | 第19-23页 |
| ·Traditional Approach on Polysemy | 第19-20页 |
| ·Pragmatic Approach on Polysemy | 第20-22页 |
| ·Cognitive Approach on Polysemy | 第22-23页 |
| ·Summary | 第23-24页 |
| Chapter Three Theoretical Framework | 第24-39页 |
| ·Prototype Category Theory | 第24-29页 |
| ·Category and Categorization | 第24-25页 |
| ·The Classical Theory of Categories | 第25-26页 |
| ·Wittgenstein's "Family Resemblance" | 第26-27页 |
| ·Prototype Category Theory | 第27-29页 |
| ·Cognitive Semantic Extension Device: Metaphor Theory | 第29-31页 |
| ·The Study of Polysemy within the Two Theories | 第31-37页 |
| ·The Study of Polysemy within Prototype Category Theory | 第31-34页 |
| ·The Study of Polysemy within Metaphor Theory | 第34-37页 |
| ·Summary | 第37-39页 |
| Chapter Four Methodology | 第39-51页 |
| ·The Purpose of the Experiment | 第39-40页 |
| ·Subjects | 第40-41页 |
| ·Materials | 第41-42页 |
| ·Instruments | 第42-45页 |
| ·The Pretest | 第42页 |
| ·Short-Term Retention Test | 第42-43页 |
| ·Long-Term Retention Test | 第43页 |
| ·Interview | 第43-45页 |
| ·Time Setting for the Three Tests | 第45-46页 |
| ·Procedures of the Whole Experiment | 第46-49页 |
| ·Data Collection and Analysis | 第49-51页 |
| Chapter Five Results and Discussion | 第51-67页 |
| ·Analysis of the Pretest and First interview | 第51-55页 |
| ·Results of the Pretest | 第51-53页 |
| ·Discussion of Result of the Pretest | 第53-54页 |
| ·Discussion of the First Interview | 第54-55页 |
| ·Analysis of the Short-Term Retention Test and Second Interview | 第55-58页 |
| ·Results of the Short-Tenn Retention Test | 第55-56页 |
| ·Discussion of Result of the Short-Term Retention Test | 第56-57页 |
| ·Discussion of the Second Interview | 第57-58页 |
| ·Analysis of the Long-Term Retention Test and Third Interview | 第58-62页 |
| ·Results of the Long-Term Retention Test | 第58-60页 |
| ·Discussion of the Result of Long-Term Retention Test | 第60-61页 |
| ·Discussion of Third Interview | 第61-62页 |
| ·Comparison between Pretest and Long-Term Retention Test in Each Class | 第62-65页 |
| ·Comparison between Pretest and Long-Term Retention Test in EC | 第62-63页 |
| ·Comparison between Pretest and Long-Term Retention Test in CC | 第63-65页 |
| ·Comparison between Lower Achievers and Higher Achievers in EC in Long-Term Retention Test | 第65-66页 |
| ·Conclusion of the Research | 第66-67页 |
| Chapter Six Conclusion | 第67-71页 |
| ·Main Findings | 第67-68页 |
| ·Implication of the Study | 第68-69页 |
| ·Limitations and Recommendation | 第69-71页 |
| Bibliography | 第71-74页 |
| 在学期间发表的学术论文和参加科研情况 | 第74-75页 |
| Acknowledgements | 第75-76页 |
| Appendix Ⅰ | 第76-79页 |
| Appendix Ⅱ | 第79-81页 |
| Appendix Ⅲ | 第81-84页 |
| 作者简介 | 第84页 |
