| Abstract | 第1-10页 |
| 摘要 | 第10-11页 |
| List of Abbreviations | 第11-12页 |
| List of Tables | 第12-13页 |
| Chapter 1 Introduction | 第13-15页 |
| Chapter 2 Literature Review | 第15-39页 |
| ·Related Terms | 第15-18页 |
| ·Word | 第15-17页 |
| ·Word Family | 第17-18页 |
| ·Vocabulary | 第18页 |
| ·Breadth and Depth of Vocabulary Knowledge | 第18-28页 |
| ·Definitions | 第18页 |
| ·Depth of Vocabulary Knowledge | 第18-28页 |
| ·Empirical Explorations on Breadth and Depth of Vocabulary Knowledge | 第28-38页 |
| ·Measuring Breadth and Depth of Vocabulary Knowledge | 第28-33页 |
| ·Empirical Studies on the Role of Vocabulary Knowledge in L2 Proficiency | 第33-38页 |
| ·Research Questions | 第38-39页 |
| Chapter 3 Methodology | 第39-43页 |
| ·Subjects | 第39页 |
| ·Instruments | 第39-42页 |
| ·Pilot Study | 第39-40页 |
| ·Breadth of Vocabulary Knowledge Test | 第40页 |
| ·Depth of Vocabulary Knowledge Test | 第40-41页 |
| ·Comprehensive English Proficiency Test | 第41-42页 |
| ·Data Collection | 第42页 |
| ·Data Analysis | 第42-43页 |
| Chapter 4 Results and Findings | 第43-53页 |
| ·Basic Information of the Data | 第43页 |
| ·Correlations among Breadth,Depth,and L2 Proficiency | 第43-45页 |
| ·Correlation between Breadth of Vocabulary Knowledge and L2 Proficiency | 第44页 |
| ·Correlation between Depth of Vocabulary Knowledge and L2 Proficiency | 第44-45页 |
| ·The Predictive Power of Breadth of Vocabulary Knowledge | 第45-46页 |
| ·The Predictive Power of Depth of Vocabulary Knowledge | 第46-47页 |
| ·The Unique Contribution of Depth of Vocabulary Knowledge | 第47-49页 |
| ·The Unique Contribution of Depth of Vocabulary Knowledge to L2 Comprehensive Proficiency | 第47-48页 |
| ·The Unique Contribution of Depth of Vocabulary Knowledge to Language Skills | 第48-49页 |
| ·The Unique Contribution of Breadth of Vocabulary Knowledge | 第49-51页 |
| ·Correlation between Breadth and Depth | 第51-53页 |
| Chapter 5 Discussion and Implications | 第53-63页 |
| ·Intercorrelationship among Breadth,Depth,and L2 Proficiency | 第53-54页 |
| ·The Predictive Power of Breadth and Depth upon L2 Comprehensive Proficiency | 第54页 |
| ·The Predictive Power of Breadth and Depth upon Specific Language Skills | 第54-55页 |
| ·The Unique Contribution of Breadth and Depth | 第55-56页 |
| ·Correlation between Breadth and Depth | 第56-57页 |
| ·Implications | 第57-63页 |
| ·More Attention to Depth of Vocabulary Knowledge | 第57-58页 |
| ·The Improvement of Breadth and Depth of Vocabulary Knowledge | 第58-59页 |
| ·Implications for Teaching | 第59-63页 |
| Chapter 6 Conclusion | 第63-65页 |
| References | 第65-72页 |
| Appendix 1 Breadth Test | 第72-77页 |
| Appendix 2 Depth Test | 第77-82页 |
| Acknowledgements | 第82-83页 |
| List of Published Papers | 第83-84页 |
| 学位论文评阅及答辩情况表 | 第84页 |
