| Acknowledgement | 第1-7页 |
| List of tables | 第7-8页 |
| 摘要 | 第8-9页 |
| Abstract | 第9-11页 |
| 前言 | 第11-14页 |
| Chapter One Introduction | 第14-17页 |
| ·Significance of investigating L2 vocabulary acquisition | 第14-15页 |
| ·Purpose of the study | 第15-16页 |
| ·Organization of the thesis | 第16-17页 |
| Chapter Two Literature Review | 第17-37页 |
| ·The concept of word | 第17-19页 |
| ·Traditional way of defining a word | 第17页 |
| ·Nation's criterion for defining a word | 第17-18页 |
| ·The more recent definitions of a word | 第18-19页 |
| ·Breadth and depth of vocabulary knowledge | 第19-20页 |
| ·The breadth of vocabulary knowledge | 第19-20页 |
| ·The depth of vocabulary knowledge | 第20页 |
| ·The framework of vocabulary knowledge | 第20-22页 |
| ·Measurement issues | 第22-27页 |
| ·Breadth measures | 第22-24页 |
| ·Ways of selecting a sample of words | 第23页 |
| ·Test formats | 第23-24页 |
| ·Assessing depth of vocabulary knowledge | 第24-27页 |
| ·Developmental approach | 第24-26页 |
| ·Dimensional approach | 第26-27页 |
| ·Empirical studies | 第27-37页 |
| ·Empirical studies of vocabulary abroad | 第27-29页 |
| ·Empirical studies of vocabulary acquisition in China | 第29-37页 |
| ·Analyses of research findings | 第30-35页 |
| ·Summary and comments on the empirical studies | 第35-37页 |
| Chapter Three Research design | 第37-41页 |
| ·Research questions | 第37页 |
| ·Research Subjects | 第37页 |
| ·Research instruments | 第37-39页 |
| ·Designing of vocabulary proficiency test | 第38-39页 |
| ·Language Proficiency Test | 第39页 |
| ·Data collection | 第39-41页 |
| Chapter Four Results and Discussion | 第41-58页 |
| ·Vocabulary Proficiency of key school students | 第41-50页 |
| ·Related statistics of vocabulary size of students in key schools | 第41-42页 |
| ·Discussion | 第42-47页 |
| ·Comparison of the Results with Previous Studies | 第43-44页 |
| ·Features of students' developmental vocabulary acquisition | 第44-45页 |
| ·Reasons for insufficient vocabulary | 第45-47页 |
| ·Difference of vocabulary knowledge at different proficiency level | 第47-50页 |
| ·Comparison of vocabulary proficiency between groups | 第47-50页 |
| ·Discussion of the difference between groups | 第50页 |
| ·The acquisition order of words | 第50-55页 |
| ·Words easy to acquire | 第52页 |
| ·Words difficult to acquire | 第52-55页 |
| ·The relation between vocabulary size and L2 proficiency | 第55-58页 |
| Chapter Five Conclusion | 第58-62页 |
| ·Major findings | 第58-59页 |
| ·Implications for vocabulary learning and teaching | 第59-60页 |
| ·Limitations of the study and suggestions to future study | 第60-62页 |
| Bibliography | 第62-67页 |
| 英语词汇水平测试 | 第67页 |
