| Acknowledgements | 第1-7页 |
| 摘要 | 第7-8页 |
| Abstract | 第8-10页 |
| 前言 | 第10-13页 |
| Chapter One Introduction | 第13-17页 |
| ·Significance of Vocabulary in Second Language Learning | 第13-14页 |
| ·Vocabulary Teaching and Learning in Chinese Middle School | 第14-15页 |
| ·Purposes of the Study | 第15-16页 |
| ·The Organization of the Thesis | 第16-17页 |
| Chapter Two Literature Review | 第17-41页 |
| ·Definition of Some Important Terms | 第17-23页 |
| ·The Nature of Vocabulary | 第17-20页 |
| ·Breadth and Depth of Vocabulary Knowledge | 第20-22页 |
| ·Requirements on Vocabulary by Middle School English Curriculum | 第22-23页 |
| ·Previous Studies on Vocabulary Acquisition | 第23-41页 |
| ·Studies on Breadth and Depth of Vocabulary Knowledge | 第24-35页 |
| ·Studies on the Order of Vocabulary Acquisition | 第35-39页 |
| ·Studies on Correlation between Vocabulary Size and Language Proficiency | 第39-40页 |
| ·Conclusion | 第40-41页 |
| Chapter Three Research Design | 第41-47页 |
| ·Research Questions | 第41页 |
| ·Research Subjects | 第41-42页 |
| ·Research Instruments | 第42-45页 |
| ·Designing of Vocabulary Proficiency Test | 第42-45页 |
| ·Second Language Achievement Test | 第45页 |
| ·Data Collecting | 第45-47页 |
| Chapter Four Results and Discussion | 第47-67页 |
| ·Vocabulary Proficiency of Senior Middle School Students | 第47-55页 |
| ·Results of Breadth and Depth of Vocabulary Knowledge | 第47-50页 |
| ·Discussion | 第50-55页 |
| ·The Difference of Vocabulary Knowledge of Students in Different Grades | 第55-58页 |
| ·Comparison of Vocabulary Knowledge between Groups | 第55-56页 |
| ·Discussion of the Gap of Vocabulary Knowledge between Groups | 第56-58页 |
| ·Order of Students' Vocabulary Acquisition | 第58-64页 |
| ·Correlation between Vocabulary Size and Language Proficiency | 第64-67页 |
| Chapter Five Conclusion | 第67-73页 |
| ·Main Findings of the Research | 第67-68页 |
| ·Significances of the Study | 第68-71页 |
| ·An Evidence to Prove the Validity of New English Curriculum | 第68页 |
| ·Implications on Vocabulary Teaching and Learning | 第68-71页 |
| ·Limitation of the Study and Suggestions to Future Studies | 第71-73页 |
| References | 第73-79页 |
| Appendix one | 第79-81页 |
| Appendix two | 第81-83页 |
| Appendix three | 第83-85页 |
| Appendix four | 第85-86页 |
