| Abstract | 第5-6页 |
| 摘要 | 第7-10页 |
| Chapter One Introduction | 第10-16页 |
| 1.1 Background of the study | 第10-13页 |
| 1.2 Research purpose and significance | 第13-14页 |
| 1.3 The overall structure of the thesis | 第14-16页 |
| Chapter Two Literature review | 第16-28页 |
| 2.1 Relevant concepts | 第16-21页 |
| 2.1.1 Semi-incidental vocabulary acquisition | 第16-17页 |
| 2.1.2 Vocabulary knowledge | 第17-19页 |
| 2.1.3 Vocabulary explicit acquisition | 第19-20页 |
| 2.1.4 Input enhancement | 第20-21页 |
| 2.2 Theoretical background | 第21-23页 |
| 2.2.1 Noticing Hypothesis | 第21-23页 |
| 2.2.2 Depth of Processing Hypothesis | 第23页 |
| 2.3 Related studies of input enhancement at home and abroad | 第23-26页 |
| 2.3.1 Related studies of input enhancement on vocabulary acquisition | 第24-25页 |
| 2.3.2 Related studies on the effects of input enhancement on semi-incidentalvocabulary acquisition | 第25-26页 |
| 2.4 Summary | 第26-28页 |
| Chapter Three Research methodology | 第28-37页 |
| 3.1 Research questions | 第28页 |
| 3.2 Participants | 第28-29页 |
| 3.3 Reading materials | 第29-30页 |
| 3.4 Target words | 第30页 |
| 3.5 Instruments | 第30-34页 |
| 3.5.1 The final examination of the previous semester | 第31页 |
| 3.5.2 Vocabulary Knowledge Scale and Scoring | 第31-32页 |
| 3.5.3 Immediate posttest and delayed posttest | 第32-34页 |
| 3.5.4 Statistical analysis | 第34页 |
| 3.6 Procedures | 第34-35页 |
| 3.7 Date collection and analysis | 第35-37页 |
| Chapter Four Results and discussion | 第37-52页 |
| 4.1 Results and analysis of the English proficiency level test | 第37-38页 |
| 4.2 Results and analysis of the recognition of form | 第38-44页 |
| 4.2.1 Comparison of the results of the effects of different input enhancementson recognition of form | 第38-42页 |
| 4.2.2 Comparison of the results between the immediate and delayed posttest on recognition of form | 第42-43页 |
| 4.2.3 Discussion | 第43-44页 |
| 4.3 Results and analysis of the production of grammatical functions | 第44-46页 |
| 4.3.1 Comparison of the results of the effects of different input enhancementson production of grammatical functions | 第44-45页 |
| 4.3.2 Comparison of the results between the immediate and delayed postteston production of grammatical functions | 第45-46页 |
| 4.3.3 Discussion | 第46页 |
| 4.4 Results and analysis of the recognition of meaning | 第46-51页 |
| 4.4.1 Comparison of the results of the effects of different input enhancementson recognition of meaning | 第46-49页 |
| 4.4.2 Comparison of the results between the immediate and delayed postteston recognition of meaning | 第49-50页 |
| 4.4.3 Discussion | 第50-51页 |
| 4.5 Summary | 第51-52页 |
| Chapter Five Conclusions | 第52-55页 |
| 5.1 Major Findings | 第52页 |
| 5.2 Pedagogical Implications | 第52-53页 |
| 5.3 Limitations and Suggestions for the future study | 第53-55页 |
| Bibliography | 第55-61页 |
| Appendix Ⅰ Materials for Group 1 | 第61-63页 |
| Appendix Ⅱ Materials for Group 2 | 第63-65页 |
| Appendix Ⅲ Materials for Group 3 | 第65-67页 |
| Appendix Ⅳ Materials for Group 4 | 第67-69页 |
| Appendix Ⅴ Vocabulary test of target word | 第69-72页 |
| Appendix Ⅵ Vocabulary posttests | 第72-76页 |
| Acknowledgements | 第76-77页 |
| The list of the research papers published by the author | 第77-78页 |
