| 摘要 | 第4-5页 |
| Abstract | 第5-6页 |
| Abbreviations | 第9-11页 |
| Chapter One Introduction | 第11-14页 |
| 1.1 Research Background | 第11-12页 |
| 1.2 Research Significance | 第12-13页 |
| 1.3 Overview of the Thesis | 第13-14页 |
| Chapter Two Literature Review | 第14-40页 |
| 2.1 Task-based Language Instruction | 第14-25页 |
| 2.1.1 Definition of the Term Task | 第14-18页 |
| 2.1.2 Elements of Task-based Language Instruction | 第18-19页 |
| 2.1.3 Principles of Task-based Language Instruction | 第19-20页 |
| 2.1.4 Models of Task-based Language Instruction | 第20-25页 |
| 2.2 Sociocultural Theory and Task-based Language Instruction | 第25-31页 |
| 2.2.1 Brief Introduction to Socialcultural Theory | 第25页 |
| 2.2.2 Main Constructs of SCT | 第25-30页 |
| 2.2.3 SCT and Its Implication on Task-based Language Instruction | 第30-31页 |
| 2.3 Activity Theory | 第31-35页 |
| 2.4 Studies on Activity Theory Abroad and at Home | 第35-39页 |
| 2.5 Summary | 第39-40页 |
| Chapter Three Methodology | 第40-46页 |
| 3.1 Research Questions | 第40-41页 |
| 3.2 Participants and Context | 第41-42页 |
| 3.3 Data Sources | 第42-43页 |
| 3.4 Data Analysis | 第43-45页 |
| 3.5 Summary | 第45-46页 |
| Chapter Four Findings and Discussion | 第46-78页 |
| 4.1 Profile of the Members of the Two Groups | 第46-47页 |
| 4.2 Group Activity Process | 第47-51页 |
| 4.3 Task Products and their Connection with Activity Process | 第51-65页 |
| 4.3.1 The Film Reviews Produced by the Two Groups | 第52-55页 |
| 4.3.2 Different Discussion Patterns | 第55-60页 |
| 4.3.3 Different Discussion Focuses | 第60-65页 |
| 4.4 Factors Influencing the Process and Products | 第65-78页 |
| 4.2.1 Subjects | 第66-68页 |
| 4.2.2 Objects | 第68-70页 |
| 4.2.3 Mediational Tools | 第70-73页 |
| 4.2.4 Community | 第73页 |
| 4.2.5 Rules | 第73-75页 |
| 4.2.6 Division of labor | 第75-76页 |
| 4.2.7 Summary | 第76-78页 |
| Chapter Five Conclusions and Implications | 第78-83页 |
| 5.1 Summary of the Major Findings | 第78-81页 |
| 5.2 Pedagogical Implications | 第81-82页 |
| 5.3 Limitations and Suggestions for Future Study | 第82-83页 |
| Bibliography | 第83-88页 |
| Appendix Ⅰ:Project of Unit 4 | 第88-90页 |
| Appendix Ⅱ:Interview Guideline | 第90-91页 |
| Appendix Ⅲ:Declaration 81 | 第91-93页 |
| Appendix Ⅳ:Group A's Final Product | 第93-94页 |
| Appendix Ⅴ:Group B's Final Product | 第94-96页 |
| Acknowledgements | 第96页 |
