| Abstract | 第3-4页 |
| 摘要 | 第5-9页 |
| Chapter One Introduction | 第9-12页 |
| 1.1 Research Background | 第9-10页 |
| 1.2 Purposes and Significance of the Research | 第10-11页 |
| 1.3 Framework of the Thesis | 第11-12页 |
| Chapter Two Literature Review | 第12-27页 |
| 2.1 Key Terms and Basic Concepts | 第12-17页 |
| 2.1.1 Definition of Incidental Vocabulary Acquisition | 第12-14页 |
| 2.1.1.1 Incidental and Intentional Learning | 第13-14页 |
| 2.1.2 Implicit and Explicit Learning | 第14-15页 |
| 2.1.3 Definition of Glosses | 第15-16页 |
| 2.1.4 Definition of Tasks | 第16-17页 |
| 2.2 Theoretical Framework and Relevant Research | 第17-22页 |
| 2.2.1 Depth of Processing Hypothesis | 第17-18页 |
| 2.2.2 Involvement Load Hypothesis | 第18-22页 |
| 2.3 Empirical Studies at Home and Abroad | 第22-27页 |
| 2.3.1 Effects of Reading Tasks on Incidental Vocabulary Acquisition | 第22-24页 |
| 2.3.2 Empirical study of glossing in incidental vocabulary acquisition | 第24-27页 |
| Chapter Three Research Methodology | 第27-33页 |
| 3.1 Research questions | 第27页 |
| 3.2 Subjects | 第27-28页 |
| 3.3 Instruments | 第28-30页 |
| 3.3.1 Material and target word selection | 第28-29页 |
| 3.3.2 Vocabulary test | 第29-30页 |
| 3.4 Interview | 第30-31页 |
| 3.5 Procedure of the experiment | 第31-32页 |
| 3.6 Data collection and analysis | 第32-33页 |
| Chapter Four Results and Discussion | 第33-44页 |
| 4.1 Different effects of the reading tasks with different gloss modes on incidental vocabularyacquisition | 第33-36页 |
| 4.1.1 Differences of the effect between the multiple-choice gloss group and single glossgroup on the immediate vocabulary test | 第33-34页 |
| 4.1.2 Differences of the effect between the multiple-choice gloss group and single glossgroup on the delayed vocabulary test | 第34-35页 |
| 4.1.3 Comparison of immediate and delayed test concerning multiple-choice gloss groupand single gloss group | 第35-36页 |
| 4.2 Relationship between reading tasks with different involvement loads and incidentalvocabulary acquisition | 第36-39页 |
| 4.2.1 Results of four different reading tasks in the immediate vocabulary test | 第36-37页 |
| 4.2.2 Results of four different reading tasks in the delayed vocabulary test | 第37-39页 |
| 4.3 Students’ opinions on incidental vocabulary acquisition through different reading tasks. | 第39-41页 |
| 4.4 Discussion | 第41-44页 |
| 4.4.1 Discussion from the perspective of involvement load | 第41-42页 |
| 4.4.2 Discussion from the perspective of processing words | 第42-43页 |
| 4.4.3 Discussion from the perspective of memory | 第43-44页 |
| Chapter Five Conclusion | 第44-47页 |
| 5.1 Main findings | 第44-45页 |
| 5.2 Implications for English teaching and learning | 第45-46页 |
| 5.3 Limitations and suggestions of the study | 第46-47页 |
| References | 第47-50页 |
| Appendix A | 第50-52页 |
| Appendix B | 第52-54页 |
| 在读期间公开发表论文（著）及科研情况 | 第54-55页 |
| Acknowledgements | 第55页 |
