| Acknowledgements | 第1-7页 |
| 摘要 | 第7-8页 |
| Abstract | 第8-12页 |
| List of Tables | 第12-13页 |
| List of Figures | 第13-14页 |
| Chapter 1 Introduction | 第14-21页 |
| ·Shift in Attitudes towards the Lexicon | 第14-17页 |
| ·The Main Interests and Aim of the Present Study | 第17-18页 |
| ·The Organization of This Thesis | 第18-21页 |
| Chapter 2 Literature Review | 第21-52页 |
| ·The Notion of Mental Lexicon | 第21-23页 |
| ·Studies of the L1 Mental Lexicon | 第23-35页 |
| ·Organization of Mental Lexicon | 第23-31页 |
| ·Lexical Access | 第31-35页 |
| ·Studies of the Bilingual Mental Lexicon | 第35-38页 |
| ·The Integrationist View | 第35-36页 |
| ·The Separatist View | 第36页 |
| ·The Mixed Representational System | 第36-38页 |
| ·The Subset Hypothesis | 第38页 |
| ·Studies of the L2 Mental Lexicon | 第38-52页 |
| ·L2 Lexical Representation and Development | 第39-42页 |
| ·Different Views of the Nature of L2 Mental Lexicon | 第42-49页 |
| ·Problems with Previous Research | 第49-52页 |
| Chapter 3 Experimental Design | 第52-65页 |
| ·Research Question and Hypotheses | 第52-53页 |
| ·Subjects | 第53页 |
| ·Test 1 | 第53-60页 |
| ·Instrument: Word Association Test | 第53-56页 |
| ·Material: Choice of Stimulus Words | 第56-57页 |
| ·Instructions and Procedure | 第57-58页 |
| ·Classification of the Responses | 第58-60页 |
| ·Test 2 | 第60-65页 |
| ·Instrument: Vocabulary Knowledge Scale Test | 第60-62页 |
| ·Material: Choice of Stimulus Words | 第62页 |
| ·Instructions and Procedure | 第62-63页 |
| ·Scoring | 第63-65页 |
| Chapter 4 Results and Discussion | 第65-83页 |
| ·The Overall Response Patterns of the Native Speakers and the L2 Learners | 第65-66页 |
| ·Response Patterns of the L2 Learners and the Native Speakers for Words That Elicited a Score of 5 | 第66-68页 |
| ·Response Patterns of the L2 Learners for Words That Elicited a Score of 4 | 第68-69页 |
| ·Response Patterns of the L2 Learners and the Native Speakers for Words That Elicited a Score of 3 | 第69-70页 |
| ·Response Patterns of the L2 Learners and the Native Speakers for Words That Elicited a Score of 2 and 1 | 第70-72页 |
| ·Problems in L2 Vocabulary Acquisition | 第72-83页 |
| ·Connections between Words in the L2 Mental Lexicon | 第73-74页 |
| ·Internal Structure of an Entry in the L2 Mental Lexicon | 第74-75页 |
| ·Different Types of Word Knowledge | 第75-76页 |
| ·Reorganization of the Mental Lexicon | 第76-79页 |
| ·Reasons for the Lack of Meaningful Sense Relations in the L2 Mental Lexicon | 第79-83页 |
| Chapter 5 Conclusion | 第83-90页 |
| ·Summary of the Findings of the Present Study | 第83-84页 |
| ·Theoretical Significance | 第84-85页 |
| ·Pedagogical Implications | 第85-88页 |
| ·Strengthening L2 Lexical Connections | 第86-87页 |
| ·L2 Learners’Use of Dictionary | 第87-88页 |
| ·Limitations of the Present Study and Suggestions for Future Studies | 第88-90页 |
| References | 第90-98页 |
| Appendices | 第98-104页 |
