| 摘要 | 第4-6页 |
| Abstract | 第6-9页 |
| Acknowledgements | 第10-12页 |
| Abbreviations | 第12-15页 |
| Chapter One Introduction | 第15-20页 |
| 1.1 Background of the Study | 第15-17页 |
| 1.2 Objective and Significance of the Study | 第17-19页 |
| 1.3 Layout of the Thesis | 第19-20页 |
| Chapter Two Literature Review | 第20-39页 |
| 2.1 Definition of Key Terms | 第20-25页 |
| 2.1.1 Definition of Incidental Vocabulary Acquisition | 第20-22页 |
| 2.1.2 Definition of Input Enhancement | 第22-24页 |
| 2.1.3 Definition of Task | 第24-25页 |
| 2.2 Relationship between Input Enhancement and Incidental VocabularyAcquisition | 第25-29页 |
| 2.2.1 Role of Input Enhancement in Incidental Vocabulary Acquisition | 第25-27页 |
| 2.2.2 Studies on the Effects of Input Enhancement on Incidental VocabularyAcquisition | 第27-28页 |
| 2.2.3 Summary | 第28-29页 |
| 2.3 Relationship between Task Type and Incidental Vocabulary Acquisition | 第29-33页 |
| 2.3.1 Role of Task Type in Incidental Vocabulary Acquisition | 第29-30页 |
| 2.3.2 Studies on the Effects of Task Type on Incidental VocabularyAcquisition | 第30-33页 |
| 2.3.3 Summary | 第33页 |
| 2.4 Theoretical Foundation of this Study | 第33-39页 |
| 2.4.1 Noticing Hypothesis | 第34-35页 |
| 2.4.2 Involvement Load Hypothesis | 第35-39页 |
| Chapter Three Research Methodology | 第39-48页 |
| 3.1 Research Questions and Hypotheses | 第39-41页 |
| 3.2 Participants | 第41-43页 |
| 3.3 Research Design | 第43-44页 |
| 3.4 Reading Passages and Target Words | 第44-45页 |
| 3.5 Research Procedure | 第45-47页 |
| 3.6 Data Collection | 第47-48页 |
| Chapter Four Results and Discussion | 第48-62页 |
| 4.1 Results of the Study | 第48-57页 |
| 4.1.1 Results of Immediate Vocabulary Form Acquisition | 第48-52页 |
| 4.1.2 Results of Delayed Vocabulary Form Acquisition | 第52-53页 |
| 4.1.3 Results of Immediate Vocabulary Meaning Acquisition | 第53-56页 |
| 4.1.4 Results of Delayed Vocabulary Meaning Acquisition | 第56-57页 |
| 4.1.5 Results of the Subjects’ Opinion on Incidental Vocabulary Acquisitionthrough Conducting Different Reading Tasks | 第57页 |
| 4.2 Results Discussion | 第57-62页 |
| 4.2.1 Discussion for the Effects of Input Enhancement | 第58-59页 |
| 4.2.2 Discussion for the Effects of Task Type | 第59-61页 |
| 4.2.3 Discussion for the Interactive Effects between Input Enhancement andTask Type | 第61-62页 |
| Chapter Five Conclusions | 第62-65页 |
| 5.1 Summary of the Study | 第62-63页 |
| 5.2 Pedagogical Implications | 第63-64页 |
| 5.3 Limitations and Suggestions for Further Study | 第64-65页 |
| References | 第65-71页 |
| Appendices | 第71-99页 |
