| Abstract | 第1-7页 |
| 摘要 | 第7-8页 |
| Contents | 第8-10页 |
| Chapter One Introduction | 第10-14页 |
| ·Background of the Study | 第10-11页 |
| ·Purpose and Significance of the Study | 第11-12页 |
| ·Layout of the Thesis | 第12-14页 |
| Chapter Two Literature Review | 第14-23页 |
| ·Researches on Foreign Language Teachers' Role | 第14-18页 |
| ·Development and Transformation of Foreign Language Teachers' Role | 第14-17页 |
| ·Features of Transformation of Foreign Language Teachers' Role | 第17-18页 |
| ·Researches on College English Teachers' Role | 第18-20页 |
| ·Researches on the Role of Teacher-as-Mediator | 第20-23页 |
| Chapter Three Theoretical Basis:Mediation Theory | 第23-31页 |
| ·Origin and Development of Mediation Theory | 第23-25页 |
| ·Main Features of Mediation Theory | 第25-27页 |
| ·Application of Mediation Theory in Foreign Language Teaching | 第27-31页 |
| Chapter Four Research Design and Result Analysis | 第31-55页 |
| ·Research Questions | 第31-32页 |
| ·Research Subjects | 第32页 |
| ·Research Instruments | 第32-38页 |
| ·Questionnaires | 第33页 |
| ·Interviews | 第33-34页 |
| ·Classroom Teaching Practice | 第34-38页 |
| ·Research Procedure | 第38-39页 |
| ·Findings Through Questionnaires and Interviews | 第39-49页 |
| ·Comparison of Teachers' and Students' Perceptions on the Importance of Teachers' Mediation | 第39-42页 |
| ·Analysis of the Perceptions on the Importance of Teachers' Mediation | 第42-45页 |
| ·Comparison of Teachers' and Students' Perceptions on the Practical Implementation of Teachers' Mediation | 第45-47页 |
| ·Analysis of the Perceptions on the Practical Implementation of Teachers' Mediation | 第47-49页 |
| ·Findings Through Classroom Teaching Practice | 第49-55页 |
| ·Comparison and Analysis of the Two Tests | 第49-52页 |
| ·Analysis of Effectiveness of Teachers' Mediation | 第52-55页 |
| Chapter Five Conclusion | 第55-60页 |
| ·Summary | 第55-56页 |
| ·Suggestions for Playing the Role of Teachers' Mediation in Independent College ELT | 第56-58页 |
| ·Limitations of the Study | 第58-60页 |
| Bibliography | 第60-64页 |
| Appendix Ⅰ | 第64-67页 |
| Appendix Ⅱ | 第67-69页 |
| Appendix Ⅲ | 第69-70页 |
| Appendix Ⅳ | 第70-71页 |
| Acknowledgements | 第71页 |
