| Abstract | 第1-8页 |
| 摘要 | 第8-13页 |
| Chapter One Introduction | 第13-17页 |
| ·Research Background | 第13-14页 |
| ·Research Motivation | 第14-15页 |
| ·Significance and Purpose of the Thesis | 第15-16页 |
| ·Organization of the Thesis | 第16-17页 |
| Chapter Two Literature Review | 第17-27页 |
| ·Power Relation | 第17-18页 |
| ·Concept of power relation | 第17页 |
| ·Previous studies of power relation | 第17-18页 |
| ·Teacher Talk | 第18-25页 |
| ·Definition and classification of teacher talk | 第18-20页 |
| ·Definition of teacher talk | 第19页 |
| ·Classification of teacher talk | 第19-20页 |
| ·Previous studies of teacher talk | 第20-25页 |
| ·Previous studies of teacher talk abroad | 第20-23页 |
| ·Previous studies of teacher talk in China | 第23-25页 |
| ·Power and Teacher Talk | 第25-27页 |
| Chapter Three Methodology | 第27-37页 |
| ·Theoretical Framework | 第27-33页 |
| ·CDA: a brief introduction | 第27-30页 |
| ·Major approaches: Fairclough’s three-dimensional CDA | 第30-33页 |
| ·Research Design | 第33-37页 |
| ·Research questions | 第33页 |
| ·Participants and setting | 第33-34页 |
| ·Instruments | 第34页 |
| ·Data collection | 第34-36页 |
| ·Observation | 第34-35页 |
| ·Recording | 第35页 |
| ·Interview | 第35-36页 |
| ·Questionnaire | 第36页 |
| ·Data analysis methods | 第36-37页 |
| Chapter Four Results and Discussion | 第37-57页 |
| ·Description and Interpretation of Power Relations in Teacher Talk | 第37-53页 |
| ·Phonological level-Teacher’s intonation | 第37-40页 |
| ·Features of teacher talk in phonology | 第37-38页 |
| ·Revelation of power relations in phonology | 第38-40页 |
| ·Lexical Level-Modality | 第40-43页 |
| ·Features of teacher talk in lexis | 第40-42页 |
| ·Revelation of power relations in lexis | 第42-43页 |
| ·Syntactic Level-Teacher’s questioning | 第43-49页 |
| ·Features of teacher talk in syntax | 第43-45页 |
| ·Revelation of power relations in syntax | 第45-49页 |
| ·Conversational Level-Amount of teacher talk | 第49-53页 |
| ·Features of teacher talk in conversation | 第49-51页 |
| ·Revelation of power relations in conversation | 第51-53页 |
| ·Explanation of Power Relations in Teacher Talk | 第53-57页 |
| ·Historical and cultural factors | 第54页 |
| ·Social factors | 第54-55页 |
| ·Realistic factors | 第55-57页 |
| Chapter Five Conclusion | 第57-59页 |
| ·Major findings | 第57页 |
| ·Implications of the study | 第57-58页 |
| ·Limitations of the present study | 第58页 |
| ·Suggestions for the future study | 第58-59页 |
| Appendix | 第59-66页 |
| Appendix 1 Questionnaire of English teacher talk (for the students) | 第59-61页 |
| Appendix 2 Results of questionnaire (for the students) | 第61-62页 |
| Appendix 3 Interviews (for the teachers) | 第62-63页 |
| Appendix 4 Transcription of ESP lesson | 第63-66页 |
| References | 第66-70页 |
| Publications | 第70-71页 |
| Acknowledgement | 第71-72页 |
