| Acknowledgements | 第1-7页 |
| Abstract | 第7-9页 |
| 摘要 | 第9-11页 |
| Contents | 第11-14页 |
| Abbreviations | 第14-15页 |
| List of Tables | 第15-16页 |
| Chapter 1:Introduction | 第16-22页 |
| ·Research rationale | 第16-20页 |
| ·Research questions | 第20页 |
| ·An overview of the thesis | 第20-22页 |
| Chapter 2:Literature Review | 第22-36页 |
| ·Receptive and productive vocabulary knowledge | 第22页 |
| ·Incidental vocabulary acquisition | 第22-26页 |
| ·Defining incidcntal vocabulary acquisition in SLA | 第22-23页 |
| ·Processes of incidental vocabulary acquisition | 第23-26页 |
| ·Incidental and intentional leaming | 第23-24页 |
| ·Implicit and explicit learning | 第24-26页 |
| ·Relevant empirical studies on incidental vocabulary learning | 第26-34页 |
| ·Conditions for successful IVL in reading | 第26-28页 |
| ·Basis for successful IVL | 第26-27页 |
| ·Comprehensible input and pregnant contexts | 第27-28页 |
| ·Relevant researches on IVL through teading | 第28-30页 |
| ·Empirical studies on involvement load hypothesis home and abroad | 第30-32页 |
| ·Researches on effects of marginal gloss,dictionary use and vocabulary level on IVL | 第32-34页 |
| ·Summary | 第34-36页 |
| Chapter 3:Theoretical Framework | 第36-42页 |
| ·Information processing model | 第36-38页 |
| ·Noticing theory | 第38-39页 |
| ·Depth of processing hypothesis | 第39-42页 |
| Chapter 4:Research Design | 第42-48页 |
| ·Research design | 第42-45页 |
| ·Subjects | 第42-43页 |
| ·The reading passage | 第43-44页 |
| ·Target words | 第44页 |
| ·Two tests | 第44页 |
| ·A test of vocabulary level | 第44-45页 |
| ·Procedures | 第45-46页 |
| ·Scoring | 第46-47页 |
| ·Data analysis | 第47-48页 |
| Chapter 5:Results and Discussions | 第48-65页 |
| ·Results | 第48-58页 |
| ·The results of the immediate test | 第48-52页 |
| ·The results of the delayed test | 第52-54页 |
| ·Comparison of the two tests | 第54-56页 |
| ·The results of vocabulary level test | 第56-58页 |
| ·Discussions | 第58-65页 |
| ·The IVL gain difference among the three groups | 第58-59页 |
| ·The IVL gain difference between words looked up and words glossed in the margin | 第59-61页 |
| ·The retention rate difference among the three groups | 第61-62页 |
| ·The analysis of the impact of vocabulary level on IVL | 第62-65页 |
| Chapter 6:Conclusions and Implications | 第65-69页 |
| ·Summary of the findings | 第65-66页 |
| ·Pedagogical implications | 第66-68页 |
| ·Limitations and suggestions for future study | 第68-69页 |
| References | 第69-75页 |
| Appendices | 第75-81页 |
