| Acknowledgements | 第1-6页 |
| 摘要 | 第6-7页 |
| Abstract | 第7-12页 |
| Chapter One Introduction | 第12-16页 |
| ·The background of the study | 第12-13页 |
| ·The significance of the study | 第13-14页 |
| ·Research questions | 第14-15页 |
| ·Thesis organization | 第15-16页 |
| Chapter Two Literature Review | 第16-22页 |
| ·The definition of communicative competence | 第16-17页 |
| ·The definition of classroom interaction | 第17-19页 |
| ·The brief history of the study of classroom interaction | 第19-22页 |
| Chapter Three Theoretical Framework | 第22-28页 |
| ·Introduction | 第22-23页 |
| ·Input hypothesis | 第23-24页 |
| ·Output hypothesis | 第24-26页 |
| ·Interaction hypothesis | 第26-28页 |
| Chapter Four Methodology | 第28-32页 |
| ·Participants | 第28页 |
| ·Lesson type | 第28-29页 |
| ·Instruments | 第29-30页 |
| ·Observations and transcription | 第30页 |
| ·Data collection and analysis | 第30-32页 |
| Chapter Five Results and Discussion | 第32-59页 |
| ·General situation about interaction of CEC | 第32-39页 |
| ·Number of teacher discourse and student discourse | 第33-36页 |
| ·Contribution of both discourses to the interaction | 第36-39页 |
| ·Analysis of teacher-student interaction | 第39-50页 |
| ·Exercise-focused pattern in teacher-student interaction | 第39-46页 |
| ·Teacher’s control of PCI | 第41-43页 |
| ·Students’perceptions of PCI | 第43-45页 |
| ·Students’use of language for learning and SLA | 第45-46页 |
| ·Content-focused pattern in teacher-student interaction | 第46-50页 |
| ·Teacher’s control of PCI | 第47-49页 |
| ·Students’perceptions of PCI | 第49-50页 |
| ·Students’use of language for learning and SLA | 第50页 |
| ·Analysis of student-student interaction | 第50-59页 |
| ·Peer-tutoring pattern of student-student interaction | 第51-54页 |
| ·Group-investigation pattern of student-student interaction | 第54-59页 |
| Chapter Six Conclusion | 第59-62页 |
| ·Implications for promoting interaction in CEC | 第59-61页 |
| ·Suggestions for future research | 第61-62页 |
| References | 第62-67页 |
| Appendixes | 第67-117页 |
| Appendix A Symbols for Transcription | 第67-68页 |
| Appendix B Transcriptions of Eight College English Classes | 第68-117页 |
| Appendix C Formal Checklist for Observation | 第117页 |
