| Acknowledgements | 第1-7页 |
| 摘要 | 第7-8页 |
| Abstract | 第8-11页 |
| 1 Introduction | 第11-15页 |
| ·College English Teaching and Learning in China | 第11-13页 |
| ·Purpose of the Present Study | 第13页 |
| ·Layout of the Thesis | 第13-15页 |
| 2 Theoretical Foundations of the Study | 第15-30页 |
| ·Literature Review | 第15-18页 |
| ·Computer- and Web-based English Teaching and Learning Environment | 第18页 |
| ·Learner Autonomy(LA) Model | 第18-20页 |
| ·Definition of Learner Autonomy | 第18-19页 |
| ·Autonomous Learner | 第19-20页 |
| ·Teacher Autonomy(TA) | 第20-21页 |
| ·Definitions of Teacher Autonomy | 第20-21页 |
| ·Dimensions of Teacher Autonomy | 第21页 |
| ·Teachers' Roles | 第21-27页 |
| ·Definition of Teachers' Roles | 第21-22页 |
| ·Teachers' New Roles in Learners' Autonomous Learning | 第22-27页 |
| ·Factors Affecting Teacher Autonomy | 第27-30页 |
| ·Teacher Factors | 第27-28页 |
| ·Student Factors | 第28-29页 |
| ·Administration Factors | 第29页 |
| ·Technology and Information Factors | 第29-30页 |
| 3 A Case Study on Teachers' Roles in Beijing Jiaotong University | 第30-47页 |
| ·Purpose of the Study | 第30-31页 |
| ·Subjects of the Study | 第31-33页 |
| ·The Teacher Subjects | 第31-32页 |
| ·The Student Subjects | 第32-33页 |
| ·Instruments | 第33-34页 |
| ·Investigation | 第34-47页 |
| ·Analyzing the Data from Lecture Observation | 第34-38页 |
| ·Analyzing the Data from Questionnaires | 第38-47页 |
| 4 Discussion | 第47-55页 |
| ·Research Question 1:What Is the Current Situation of Changes in Teaching Philosophy and Practice? | 第47-49页 |
| ·Research Question 2:Do Teachers' Actual Behaviors in Practicing TA Match Their Beliefs in Teachers' Roles in the Autonomous Learning Model? | 第49-52页 |
| ·Research Question 3:In the Practical College English Teaching Process,What Factors Have an Impact on TA? | 第52-55页 |
| 5 Conclusion | 第55-58页 |
| ·Major Findings in the Study | 第55-56页 |
| ·Teaching Implications | 第56页 |
| ·Limitations of the Research and Expectations | 第56-58页 |
| Bibliography | 第58-61页 |
| Appendix A | 第61-64页 |
| Appendix B | 第64-67页 |
| 学位论文数据集 | 第67页 |
