| Acknowledgements | 第1-6页 |
| 摘要 | 第6-7页 |
| Abstract | 第7-11页 |
| 1. Introduction | 第11-15页 |
| ·Research background | 第11-12页 |
| ·Research objectives and significance | 第12-13页 |
| ·Thesis layout | 第13-15页 |
| 2. Literature Review | 第15-26页 |
| ·Literature review of students' class presentation | 第15-21页 |
| ·Definitions of presentation and students' presentation | 第15-16页 |
| ·Theoretical bases of students' presentation | 第16-18页 |
| ·Foreign studies on students' presentation | 第18-19页 |
| ·Domestic studies on students' presentation | 第19-21页 |
| ·Literature review of teacher's roles | 第21-26页 |
| ·Definitions of teacher's roles | 第21页 |
| ·Foreign studies on teacher's roles | 第21-24页 |
| ·Domestic studies on teacher's roles | 第24-26页 |
| 3. Research Methodology | 第26-29页 |
| ·Research questions | 第26页 |
| ·Participants | 第26-27页 |
| ·Instruments | 第27-28页 |
| ·Data collection and analysis procedures | 第28-29页 |
| 4. Results and Discussion | 第29-59页 |
| ·Students' expectations of teachers' roles | 第29-39页 |
| ·Teachers' expectations of their own roles | 第39-50页 |
| ·Similarities between students' and teachers' expectations | 第50-51页 |
| ·Differences between students' and teachers' expectations | 第51-59页 |
| ·Reasons for the gaps | 第52-55页 |
| ·Possible ways to narrow the gaps | 第55-59页 |
| 5. Conclusion | 第59-61页 |
| Bibliography | 第61-64页 |
| Appendix Ⅰ Questionnaire on Students' Expectations of Teachers' Roles | 第64-67页 |
| Appendix Ⅱ Questionnaire on Teachers' Expectations of Teachers' Roles | 第67-69页 |
