| Acknowledgements | 第1-5页 |
| Academic Achievement | 第5-6页 |
| 摘要 | 第6-8页 |
| Abstract | 第8-13页 |
| Chapter One Introduction | 第13-15页 |
| ·Background of the Study | 第13-14页 |
| ·Layout of the thesis | 第14-15页 |
| Chapter Two Literature review | 第15-30页 |
| ·Theories on inquiry-based teaching | 第15-19页 |
| ·The definition of inquiry | 第15页 |
| ·Relevant researches on inquiry learning | 第15-16页 |
| ·Relevant researches on inquiry-based teaching | 第16-19页 |
| ·Theories on Teachers’ Roles | 第19-30页 |
| ·Roles and Teachers’ Roles | 第19-20页 |
| ·Relevant Study on Teachers’ Roles Abroad | 第20-23页 |
| ·Relevant Studies on Teachers’ Roles At home | 第23-28页 |
| ·Limitations of studies on teachers’ roles | 第28-30页 |
| Chapter Three Methodology | 第30-35页 |
| ·Research objectives | 第30页 |
| ·Subjects | 第30页 |
| ·Methods | 第30-33页 |
| ·Design of questionnaires | 第31-32页 |
| ·Design of interviews | 第32页 |
| ·Design of classroom observation | 第32-33页 |
| ·Data collection | 第33-34页 |
| ·Implementation of questionnaires | 第33-34页 |
| ·Implementation of interview | 第34页 |
| ·Implementation of the classroom observation | 第34页 |
| ·Data analysis | 第34-35页 |
| Chapter Four Results and Analysis | 第35-59页 |
| ·Results of students’ questionnaire | 第35-36页 |
| ·Results of teachers’ questionnaires | 第36-37页 |
| ·Results of classroom observation | 第37-41页 |
| ·Discrepancies between students’ expectations and teachers’ actual behaviors | 第41-58页 |
| ·Discrepancies about teachers’ instructional roles between students’expectations and teachers’ actual behaviors | 第44-52页 |
| ·Findings from these data | 第45页 |
| ·Causes for these results | 第45-52页 |
| ·Discrepancies about teachers’ interpersonal roles between students’expectations and teachers’ actual behaviors | 第52-56页 |
| ·Findings from these data | 第53-54页 |
| ·Causes for these results | 第54-56页 |
| ·Discrepancies about the teachers’ moral role between students’ expectations and teachers’ actual behaviors | 第56-58页 |
| ·Summary | 第58-59页 |
| Chapter Five Conclusions | 第59-62页 |
| ·Findings of the study | 第59-60页 |
| ·Pedagogical Implications to college oral English teachers | 第60-61页 |
| ·Limitations of the study | 第61-62页 |
| References | 第62-65页 |
| Appendix One | 第65-66页 |
| Appendix Two | 第66-68页 |
| Appendix Three | 第68-70页 |
| Appendix Four | 第70-71页 |
| Appendix Five | 第71页 |