| 摘要 | 第1-6页 |
| ABSTRACT | 第6-8页 |
| Content | 第8-10页 |
| Chapter One Introduction | 第10-13页 |
| ·Research Background | 第10-11页 |
| ·Purposes of the Present Study | 第11页 |
| ·Significance of the Present Study | 第11-12页 |
| ·Organization of the Thesis | 第12-13页 |
| Chapter Two Literature Review | 第13-28页 |
| ·Researches on Teacher Talk | 第13-18页 |
| ·Discourse Analysis and Language Teaching | 第13-14页 |
| ·Researches on Teacher Talk Abroad | 第14-16页 |
| ·Domestic Researches on Teacher Talk | 第16-18页 |
| ·Rationale for Teacher Talk | 第18-21页 |
| ·Krashen's Theory of Input Hypothesis | 第18-19页 |
| ·Long's Interaction Hypothesis | 第19-20页 |
| ·Swain's Theory of Output Hypothesis | 第20-21页 |
| ·Teacher Talk | 第21-28页 |
| ·Definition of Teacher talk | 第21-23页 |
| ·Teacher Talk Time | 第23页 |
| ·Teacher's Questions | 第23-25页 |
| ·Interactional Modification | 第25-26页 |
| ·Teacher's Feedback | 第26-28页 |
| Chapter Three Research Design | 第28-31页 |
| ·Research Questions | 第28页 |
| ·Participants | 第28页 |
| ·Method and Instruments | 第28-31页 |
| Chapter Four Data Analysis and Discussion | 第31-47页 |
| ·Amount of Teacher Talk | 第31-34页 |
| ·Teacher's Questions | 第34-39页 |
| ·Frequency of Display Questions and Referential Questions | 第34-38页 |
| ·The Distributionl of Teacher's Questions | 第38-39页 |
| ·Interactional Modification of Teacher Talk | 第39-41页 |
| ·Teacher's Feedback | 第41-45页 |
| ·Teacher's Role in College English Classroom | 第45-46页 |
| ·Other Aspects Reflecting the Effect of Teacher Talk | 第46-47页 |
| Chapter Five Conclusion | 第47-51页 |
| ·Summary of the Findings of the Present Study | 第47-48页 |
| ·Implications | 第48-50页 |
| ·Suggestions for Further Exploration | 第50-51页 |
| Bibliography | 第51-56页 |
| 在学期间的研究成果及参加的科研项目 | 第56-57页 |
| Appendix | 第57-60页 |
| Acknowledgements | 第60页 |
