| 摘要 | 第1-6页 |
| Abstract | 第6-7页 |
| Contents | 第7-8页 |
| Chapter One Introduction | 第8-13页 |
| ·Research Background | 第8-9页 |
| ·Research Objective and Questions | 第9页 |
| ·Research Significance and Rationale | 第9-11页 |
| ·Layout of the Thesis | 第11-13页 |
| Chapter Two Literature Review | 第13-27页 |
| ·Studies on Teacher Talk | 第13-17页 |
| ·Studies on Politeness Theories | 第17-26页 |
| ·Studies on Politeness in Teacher Talk | 第26-27页 |
| Chapter Three Theoretical Framework | 第27-31页 |
| ·Face | 第27-28页 |
| ·Face-Threatening Act | 第28页 |
| ·Politeness Strategies | 第28-30页 |
| ·The Analytical Model of the Present Study | 第30-31页 |
| Chapter Four Research Methodology | 第31-38页 |
| ·Research Questions | 第31页 |
| ·Research Design | 第31-34页 |
| ·Data Collection | 第34页 |
| ·Data Analysis | 第34-38页 |
| Chapter Five Results and Discussion | 第38-64页 |
| ·Politeness Characteristics of Teacher Talk | 第38-40页 |
| ·Teachers' Employment of Politeness Strategies in Questions | 第40-48页 |
| ·Teachers' Employment of Politeness Strategies in Feedbacks | 第48-60页 |
| ·The Importance of Teachers' Employment of Politeness Strategies | 第60-61页 |
| ·The Comparison of teacher's Employment of Politeness Strategies between Different Classes | 第61-64页 |
| Chapter Six Conclusion | 第64-68页 |
| ·Major Findings | 第64-65页 |
| ·Implications for Teaching in Postgraduate English Program | 第65-67页 |
| ·Limitations of the Present Study | 第67页 |
| ·Suggestions for Further Study | 第67-68页 |
| References | 第68-73页 |
| Appendix | 第73-78页 |
| Acknowledgments | 第78页 |
