| Acknowledgements | 第6-7页 |
| 摘要 | 第7-9页 |
| Abstract | 第9-10页 |
| Chapter One Introduction | 第13-18页 |
| 1.1 Research Background | 第13-14页 |
| 1.1.1 The Importance of Vocabulary in English Competence | 第13页 |
| 1.1.2 The Current Problems of English Vocabulary Learning and Teaching in Chinese Universities | 第13-14页 |
| 1.2 Research Significance | 第14-16页 |
| 1.2.1 Academic Significance | 第15-16页 |
| 1.2.2 Practical Significance | 第16页 |
| 1.3 Research Questions | 第16页 |
| 1.4 Layout of the Thesis | 第16-18页 |
| Chapter Two Literature Review | 第18-38页 |
| 2.1 Second Language(L2)Incidental Vocabulary Acquisition | 第18-22页 |
| 2.1.1 Incidental Vocabulary Acquisition and Intentional Vocabulary Acquisition | 第18-19页 |
| 2.1.2 Empirical Studies on L2 Incidental Vocabulary Acquisition | 第19-22页 |
| 2.2 Theoretical Contributions Most Relevant to L2 Incidental Vocabulary Acquisition | 第22-29页 |
| 2.2.1 The Input Hypothesis | 第22-23页 |
| 2.2.2 Noticing Hypothesis | 第23-25页 |
| 2.2.3 Depth of Processing Hypothesis | 第25-26页 |
| 2.2.4 Motivation | 第26-29页 |
| 2.3 The Assumptioas of Involvement Load Hypothesis | 第29-35页 |
| 2.3.1 The Constructs of the Involvement Load Hypothesis | 第29-31页 |
| 2.3.2 Empirical Studies Into the Involvement Load Hypothesis | 第31-35页 |
| 2.4 O'Malley and Chamot's Classification of Listening Strategies | 第35-38页 |
| Chapter Three Research Methodology | 第38-46页 |
| 3.1 Research Design | 第38页 |
| 3.2 Subjects | 第38-40页 |
| 3.3 Materials | 第40-42页 |
| 3.3.1 The Listening Material | 第40页 |
| 3.3.2 Target Words for Testing | 第40-41页 |
| 3.3.3 Listening Tasks | 第41-42页 |
| 3.3.4 Dictionary Use | 第42页 |
| 3.4 Procedures | 第42-44页 |
| 3.5 Data Collection and Analysis | 第44-46页 |
| 3.5.1 Scoring Methods | 第44-45页 |
| 3.5.2 Analysis | 第45-46页 |
| Chapter Four Results and Discussion | 第46-63页 |
| 4.1 Results for the First Research Question | 第46-50页 |
| 4.2 Results for the Second Research Question | 第50-51页 |
| 4.3 Results for the Third Research Question | 第51-54页 |
| 4.4 Results of the Semi-structured Interview | 第54-56页 |
| 4.5 Discussion | 第56-63页 |
| 4.5.1 Involvement Load Hypothesis Revisited | 第56-58页 |
| 4.5.2 The Roles of'Search' and 'Evaluation'in Promoting Vocabulary Retention | 第58-60页 |
| 4.5.3 The Role of Involvement Load in Influencing Students' Use of Listening Strategies | 第60页 |
| 4.5.4 Students' Understanding of L2 Vocabulary Learning Through Listening | 第60-63页 |
| Chapter Five Conclusions and Pedagogical Implications | 第63-68页 |
| 5.1 Summary of the Study | 第63-64页 |
| 5.2 Implications for Language Teaching and Learning | 第64-66页 |
| 5.3 Limitations and Suggestions for Future Research | 第66-68页 |
| References | 第68-74页 |
| Appendix Ⅰ | 第74-75页 |
| Appendix Ⅱ | 第75-80页 |
| Appendix Ⅲ | 第80-85页 |
| Appendix Ⅳ | 第85-88页 |
| Appendix Ⅴ | 第88-90页 |
