| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6页 |
| 中文摘要 | 第7-8页 |
| 前言 | 第8-13页 |
| CHAPTER 1 INTRODUCTION | 第13-15页 |
| 1.1 RESEARCH BACKGROUND | 第13页 |
| 1.2 ORGANIZATION OF THE THESIS | 第13-15页 |
| CHAPTER 2 LITERATURE REVIEW:STUDIES OF MENTAL LEXICON | 第15-29页 |
| 2.1 THE NOTION OF MENTAL LEXICON | 第15页 |
| 2.2 INFORMATION STORED IN THE MENTAL LEXICON | 第15-16页 |
| 2.3 LEXICAL ORGANIZATION | 第16-19页 |
| 2.3.1 Phonological Network | 第16-17页 |
| 2.3.2 Semantic Network | 第17-19页 |
| 2.4 LEXICAL ACCESS | 第19-22页 |
| 2.5 STUDIES OF THE L2 MENTAL LEXICON | 第22-24页 |
| 2.6 STUDIES OF THE BILINGUAL MENTAL LEXICON | 第24-26页 |
| 2.7 AN EMPIRICAL STUDY METHOD ON THE MENTAL LEXICON——WORD ASSOCIATION TEST | 第26-29页 |
| CHAPTER 3 EMPIRICAL STUDY | 第29-37页 |
| 3.1 GOALS,RESEARCH QUESTIONS AND HYPOTHESIS | 第29页 |
| 3.2 EXPERIMENT | 第29-37页 |
| 3.2.1 Subjects | 第29-30页 |
| 3.2.2 Instruments | 第30-37页 |
| 3.2.2.1 Word Association Test | 第30-35页 |
| 3.2.2.2 Vocabulary Knowledge Scale Test | 第35-37页 |
| CHAPTER 4 RESULTS AND DISCUSSIONS | 第37-52页 |
| 4.1 RESPONSES PATTERNS OF THE ADVANCED,INTERMEDIATE AND DEVELOPING L2 LEARNERS FOR THE WORDS THAT ELICITED A SCORE OF 5 | 第37-40页 |
| 4.2 RESPONSES PATTERNS OF THE ADVANCED,INTERMEDIATE AND DEVELOPING L2 LEARNERS FOR THE WORDS THAT ELICITED A SCORE OF 4 | 第40-43页 |
| 4.3 RESPONSES PATTERNS OF THE ADVANCED,INTERMEDIATE AND DEVELOPING L2 LEARNERS FOR THE WORDS THAT ELICITED A SCORE OF 3 | 第43-45页 |
| 4.4 RESPONSES PATTERNS OF THE ADVANCED,INTERMEDIATE AND DEVELOPING L2 LEARNERS FOR THE WORDS THAT ELICITED A SCORE OF 2 AND 1 | 第45-48页 |
| 4.5 CONNECTIONS AMONG L2 MENTAL LEXICON NETWORK | 第48-50页 |
| 4.6 REARRANGEMENT OF THE MENTAL LEXICON | 第50-52页 |
| CHAPTER 5 CONCLUSION | 第52-56页 |
| 5.1 SUMMARY OF FINDINGS OF THE PRESENT STUDY | 第52-53页 |
| 5.2 PEDAGOGICAL IMPLICATIONS | 第53-55页 |
| 5.3 LIMITATIONS OF THE PRESENT STUDY AND SUGGESTIONS FOR FUTURE STUDIES | 第55-56页 |
| REFERENCES | 第56-60页 |
| APPENDICES | 第60页 |
| List 1 | 第60页 |
| List 2 | 第60页 |
