| Acknowledgements | 第1-4页 |
| Abstract | 第4-7页 |
| 摘要 | 第7-9页 |
| Table of Contents | 第9-11页 |
| List of Figures and Tables | 第11-12页 |
| List of Abbreviations | 第12-13页 |
| Chapter One Introduction | 第13-16页 |
| ·Background of the study | 第13-14页 |
| ·Significance of the study | 第14页 |
| ·Framework of the thesis | 第14-16页 |
| Chapter Two Literature Review | 第16-31页 |
| ·Discussion of the key terms in this study | 第16-19页 |
| ·Mental Lexicon | 第16-18页 |
| ·Word Association Test | 第18-19页 |
| ·Theoretical foundations in this study | 第19-27页 |
| ·Models of the mental lexicon organization in L1 | 第19-24页 |
| ·Jiang's three stages of lexical development in L2 | 第24-27页 |
| ·Previous studies on mental lexical organization at home and abroad | 第27-30页 |
| ·L1 mental lexicon organization studies | 第27-28页 |
| ·L2 mental lexicon organization studies | 第28-29页 |
| ·Empirical studies of the mental lexicon in China | 第29-30页 |
| ·Comments of the previous research | 第30-31页 |
| Chapter Three Methodology | 第31-42页 |
| ·Research questions | 第31页 |
| ·Research design | 第31-42页 |
| ·Quantitative part of research | 第32-40页 |
| ·Qualitative part of research | 第40-42页 |
| Chapter Four Results and Analysis | 第42-63页 |
| ·Overall distribution of response types | 第42-48页 |
| ·Results | 第42-47页 |
| ·Discussion | 第47-48页 |
| ·Cross-group differences of responses of each type | 第48-55页 |
| ·Results | 第48-54页 |
| ·Differences of Paradigmatic responses | 第48-50页 |
| ·Differences of Syntagmatic responses | 第50-51页 |
| ·Differences of Encyclopedic responses | 第51-52页 |
| ·Differences of Phonological responses | 第52-53页 |
| ·Differences of Other responses | 第53-54页 |
| ·Discussion | 第54-55页 |
| ·Analysis of the typical characteristic in the responses | 第55-63页 |
| ·Semantic responses | 第55-60页 |
| ·Phonological responses | 第60-63页 |
| Chapter Five Conclusion | 第63-68页 |
| ·Major findings of the study | 第63-64页 |
| ·Implications for L2 vocabulary teaching | 第64-66页 |
| ·Limitations of the present study | 第66-68页 |
| References | 第68-72页 |
| Appendix | 第72-74页 |
| Appendix 1 Word Association Test | 第72-74页 |
