| 摘要 | 第1-6页 |
| Abstract | 第6-9页 |
| Acknowledgements | 第9-12页 |
| Chapter One Introduction | 第12-16页 |
| ·Research Background | 第12-13页 |
| ·Research Objectives | 第13页 |
| ·Methodology | 第13-14页 |
| ·Significance of the Research | 第14页 |
| ·Organization of the Thesis | 第14-16页 |
| Chapter Two Literature Review | 第16-41页 |
| ·Definitions of language attrition | 第16-18页 |
| ·Theories in second language attrition | 第18-22页 |
| ·The Inverse Hypothesis | 第18-19页 |
| ·The Critical Threshold Hypothesis | 第19-20页 |
| ·The Regression Hypothesis | 第20-21页 |
| ·The Interlanguage Hypothesis | 第21页 |
| ·The Linguistic Feature Hypothesis | 第21-22页 |
| ·Relevant Variables Inflencing the Process of Language Attrition | 第22-25页 |
| ·The Study of Lexical Attrition at Home and Abroad | 第25-34页 |
| ·The Study of Lexical Attritio at Home | 第25-26页 |
| ·The Study of Lexical Attrition Abroad | 第26-33页 |
| ·Summary | 第33-34页 |
| ·The Study of Lexical Learning Strategies | 第34-41页 |
| ·Definition of Lexical learning strategy | 第34-35页 |
| ·The Classification of Lexical learning strategy | 第35-37页 |
| ·The Study of Lexical Learning Strategies at Home and Abroad | 第37-41页 |
| ·The Study of Lexical Learning Strategies at Home | 第37-39页 |
| ·The Study of Lexical Learning Strategies Abroad | 第39-41页 |
| Chapter Three Methodology | 第41-47页 |
| ·Research Questions | 第41-42页 |
| ·Research Design | 第42页 |
| ·Research Method | 第42-45页 |
| ·Subjects | 第42页 |
| ·Instruments | 第42-45页 |
| ·Questionnaire | 第42-43页 |
| ·Lexical Test | 第43-45页 |
| ·Procedures | 第45页 |
| ·Data Collection | 第45-47页 |
| Chapter Four Data Analysis and Discussion | 第47-56页 |
| ·The Relationship between Lexical Learning Strategy and Lexical Attrition | 第47-50页 |
| ·The Relationship between Lexical Proficiency and Lexical Attrition | 第50-52页 |
| ·The Relationship among Lexical Learning Strategies, Lexical Proficiency And Lexical Attrition | 第52-54页 |
| ·Summary | 第54-56页 |
| Chapter Five Conclusion | 第56-60页 |
| ·Major Findings | 第56-57页 |
| ·Pedagogical Implications | 第57-58页 |
| ·Suggestions for Lexical Learning | 第57-58页 |
| ·Suggestions for Lexical Teaching | 第58页 |
| ·Limitations and Suggestions for the Future Research | 第58-60页 |
| References | 第60-67页 |
| Appendix I | 第67-69页 |
| Appendix II | 第69-73页 |
