| Abstract in English | 第1-10页 |
| Abstract in Chinese | 第10-12页 |
| List of Tables and the Figure | 第12-13页 |
| List of Abbreviations | 第13-14页 |
| Chapter One Introduction | 第14-18页 |
| ·The Background of this Study | 第14-15页 |
| ·Purpose and Significance of the Study | 第15-16页 |
| ·Organization of the Thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-29页 |
| ·Breadth and Depth of Vocabulary Knowledge | 第18-20页 |
| ·Some Distinctions Associated with Incidental Vocabulary Acquisition | 第20-25页 |
| ·Implicit & Explicit Distinction | 第21-23页 |
| ·The Relationship between Implicit and Explicit Knowledge | 第21-22页 |
| ·Implicit and Explicit Learning | 第22-23页 |
| ·Incidental & Intentional Vocabulary Learning Distinction | 第23-25页 |
| ·Definitions of Incidental & Intentional Vocabulary Learning | 第23-24页 |
| ·Distinction between Incidental and intentional learning | 第24-25页 |
| ·A Survey of Research on Incidental Vocabulary Acquisition | 第25-29页 |
| Chapter Three Theoretical Framework | 第29-44页 |
| ·Research into Incidental Vocabulary Acquisition | 第29-33页 |
| ·The Role of Incidental Vocabulary Acquisition | 第30-32页 |
| ·The Problems of Incidental Vocabulary Acquisition | 第32-33页 |
| ·Krashen's Input Hypothesis and His Contribution | 第33-35页 |
| ·Depth of Processing Theory | 第35-37页 |
| ·The Involvement Load Hypothesis | 第37-41页 |
| ·A brief introduction of the theory | 第37-38页 |
| ·The Task-induced Involvement Hypothesis | 第38-40页 |
| ·Related Empirical Researches on the Involvement Load Hypothesis | 第40-41页 |
| ·IVA and Topic Familiarity | 第41-44页 |
| Chapter Four Research Methodology | 第44-52页 |
| ·Purposes | 第44-45页 |
| ·The Pretest | 第45页 |
| ·The Major Test | 第45-50页 |
| ·Subjects | 第45-46页 |
| ·Reading Materials | 第46-47页 |
| ·Target Words | 第47-48页 |
| ·The Two Tasks | 第48-49页 |
| ·Procedures | 第49-50页 |
| ·Test on Vocabulary Size | 第49-50页 |
| ·Scoring | 第50-51页 |
| ·Instrument for Data Collection | 第51-52页 |
| Chapter Five Results and Discussion | 第52-59页 |
| ·The Impacts of Different Reading Tasks on IVA | 第52-53页 |
| ·Results of Immediate Vocabulary Posttest | 第52-53页 |
| ·Results of the Delayed Vocabulary Posttest | 第53页 |
| ·The Impacts of Topic Familiarity on IVA | 第53-54页 |
| ·Results of Immediate Vocabulary Posttest | 第54页 |
| ·Results of the Delayed Vocabulary Posttest | 第54页 |
| ·Results Discussion | 第54-58页 |
| ·Discussion for the First Question | 第54-55页 |
| ·Discussion for the Second Question | 第55-56页 |
| ·Discussion for the Third Question | 第56-58页 |
| ·Summary | 第58-59页 |
| Chapter Six Conclusion | 第59-63页 |
| ·Major Findings | 第59页 |
| ·Implications | 第59-61页 |
| ·Limitations and Suggestions for Further Research | 第61-63页 |
| Bibliography | 第63-69页 |
| Appendix A | 第69-71页 |
| Appendix B | 第71-80页 |
| Appendix C | 第80-84页 |
| Acknowledgements | 第84-85页 |
| List of Published Papers | 第85-86页 |
| 学位论文评阅及答辩情况表 | 第86页 |
