| Acknowledgements | 第1-7页 |
| 摘要 | 第7-8页 |
| Abstract | 第8-10页 |
| Contents | 第10-13页 |
| List of Tables | 第13-14页 |
| Abbreviations | 第14-15页 |
| Chapter 1 Introduction | 第15-21页 |
| ·Background of the study | 第15-17页 |
| ·Significance and purpose of the study | 第17-19页 |
| ·Overall structure of the thesis | 第19-21页 |
| Chapter 2 Literature Review | 第21-36页 |
| ·Introduction | 第21页 |
| ·Teacher talk | 第21-27页 |
| ·Definitions of teacher talk | 第21-22页 |
| ·Aspects of teacher talk | 第22-27页 |
| ·Amount of teacher talk | 第23-24页 |
| ·Teachers' questions | 第24-25页 |
| ·Teachers' feedback | 第25-27页 |
| ·Interactional modification | 第27页 |
| ·Classroom interaction | 第27-33页 |
| ·Definitions of classroom interaction | 第28页 |
| ·Importance of interaction in English classroom | 第28-30页 |
| ·Theoretical bases of classroom interaction | 第30-33页 |
| ·Krashen's Comprehensible Input Hypothesis | 第30-31页 |
| ·Long's Interaction Hypothesis | 第31-32页 |
| ·Swain's Output Hypothesis | 第32-33页 |
| ·Teacher talk in classroom interaction | 第33-36页 |
| ·The role of teacher talk in classroom interaction | 第33-34页 |
| ·Teacher talk in classroom interaction in ESP | 第34-36页 |
| Chapter 3 Research Methodology | 第36-43页 |
| ·Introduction | 第36页 |
| ·Research questions | 第36-37页 |
| ·Participants | 第37页 |
| ·Instruments | 第37-38页 |
| ·Data collection | 第38-41页 |
| ·Classroom observation | 第38-39页 |
| ·Questionnaire | 第39-40页 |
| ·Interview | 第40-41页 |
| ·Research procedure | 第41-43页 |
| Chapter 4 Findings and Discussion | 第43-60页 |
| ·Introduction | 第43页 |
| ·Findings of amount of teacher talk and classroom interaction | 第43-46页 |
| ·Description of amount of teacher talk | 第43-44页 |
| ·Students' attitudes towards amount of teacher talk | 第44-46页 |
| ·Findings of teachers' questions and classroom interaction | 第46-48页 |
| ·Description of teachers' questions | 第46-47页 |
| ·Students' attitudes to wards teachers' questions | 第47-48页 |
| ·Findings of teachers' feedback and classroom interaction | 第48-52页 |
| ·Description of teachers' feedback | 第48-50页 |
| ·Positive feedback-teacher praise | 第49页 |
| ·Negative feedback-error treatment | 第49-50页 |
| ·Students' attitudes towards teachers' feedback | 第50-52页 |
| ·Students' attitudes towards teachers' positive feedback | 第50-51页 |
| ·Students' attitudes towards teachers' negative feedback | 第51-52页 |
| ·Findings of teachers' interactional modification and classroom interaction | 第52-54页 |
| ·Description of teachers' interactional modification | 第52-53页 |
| ·Students' attitudes towards teachers' interactional modification | 第53-54页 |
| ·Discussion | 第54-60页 |
| ·The relationship between amount of teacher talk and classroom interaction | 第54-56页 |
| ·The relationship between teachers' questions and classroom interaction | 第56-57页 |
| ·The relationship between teachers' feedback and classroom interaction | 第57-59页 |
| ·The relationship between teachers' interactional modifications and classroom interaction | 第59-60页 |
| Chapter 5 Conclusion | 第60-65页 |
| ·Summary of the findings | 第60-61页 |
| ·Pedagogical implications | 第61-63页 |
| ·Limitations and suggestions fo further study | 第63-65页 |
| References | 第65-73页 |
| APPneidx | 第73-79页 |
| Appendix 1 大学英语教师话语与课堂互动效果的调查问卷 | 第73-75页 |
| Appendix 2 教师访谈提纲 | 第75-76页 |
| Appendix 3 教师个案访谈录音文稿(教师A) | 第76-78页 |
| Appendix 4 教师个案访谈录音文稿(教师B) | 第78-79页 |
