| Acknowledgements | 第4-5页 |
| Abstract | 第5-6页 |
| Abstract in Chinese | 第7-14页 |
| Chapter one: Introduction | 第14-19页 |
| 1.1 Research Background | 第14-15页 |
| 1.2 The Objectives and Significance of the Research | 第15-17页 |
| 1.3 Structure of the Research | 第17-19页 |
| Chapter Two: Literature Review | 第19-33页 |
| 2.1 The Definition of Teacher Talk | 第19-20页 |
| 2.2 Overview of English Classroom Teacher Talk | 第20-27页 |
| 2.2.1 Overview of English Classroom Teacher Talk at Home | 第20-25页 |
| 2.2.2 Overview of English Classroom Teacher Talk abroad | 第25-27页 |
| 2.3 Features of Teacher Talk | 第27-30页 |
| 2.3.1 Authenticity of Teacher Talk | 第27-28页 |
| 2.3.2 Interaction of Teacher Talk | 第28-29页 |
| 2.3.3 Logicality of Teacher Talk | 第29-30页 |
| 2.3.4 Normalization of Teacher Talk | 第30页 |
| 2.4 Theoretical Foundations | 第30-33页 |
| 2.4.1 Krashen’s Input Hypothesis | 第30-31页 |
| 2.4.2 Swain’s Output Hypothesis | 第31页 |
| 2.4.3 Long’s Interaction Hypothesis | 第31-33页 |
| Chapter Three: Research Design | 第33-40页 |
| 3.1 Research Questions | 第33-34页 |
| 3.2 Research Subjects | 第34-35页 |
| 3.2.1 Research on English Teachers | 第34页 |
| 3.2.2 Research on Students | 第34-35页 |
| 3.3 Research Instruments | 第35-37页 |
| 3.3.1 Classroom Observation and Voice-recording | 第35-36页 |
| 3.3.2 Questionnaire | 第36-37页 |
| 3.3.3 Interview | 第37页 |
| 3.4 Data Collection Procedures | 第37-40页 |
| Chapter Four: Data Analysis and Discussion | 第40-62页 |
| 4.1 Research on the Amount of Teacher Talk Time | 第40-45页 |
| 4.1.1 Data Analysis of Classroom Observation | 第40-42页 |
| 4.1.2 Data Analysis of Students’ Questionnaire and the Interview | 第42-44页 |
| 4.1.3 Conclusion and Discussion | 第44-45页 |
| 4.2 Research on the Using of First Language | 第45-49页 |
| 4.2.1 Data Analysis of Classroom Observation | 第46-47页 |
| 4.2.2 Data Analysis of Students’ Questionnaire and the Interview | 第47-48页 |
| 4.2.3 Conclusion and Discussion | 第48-49页 |
| 4.3 Research on Teacher’s Questions | 第49-55页 |
| 4.3.1 Data Analysis of Classroom Recording and Students’ Questionnaire | 第49-53页 |
| 4.3.2 The Distribution of Questioning | 第53-55页 |
| 4.4 Research on Teacher’s Feedback | 第55-58页 |
| 4.4.1 Data Analysis of Feedback According to Classroom Voice-recording | 第55-57页 |
| 4.4.2 Data Analysis of Students’ Questionnaire | 第57-58页 |
| 4.4.3 Conclusion and Discussion | 第58页 |
| 4.5 Research on Teachers’ Roles | 第58-62页 |
| 4.5.1 The Relationship between Teachers’ Roles and Teacher Talk | 第58-60页 |
| 4.5.2 Research on Novice Teachers’ Roles and Experienced Teachers’ Roles | 第60-62页 |
| Chapter Five: Feasible Suggestions for Improving Efficiency of Teacher Talk | 第62-65页 |
| 5.1 Optimizing Teacher Talk Strategies | 第62-63页 |
| 5.2 Changing Teacher’s Roles and Classroom Teaching Mode | 第63页 |
| 5.3 Improving Teachers’ Comprehensive Language Competence | 第63页 |
| 5.4 Following the Basic Features of Teacher Talk | 第63-65页 |
| Chapter Six: Conclusion | 第65-69页 |
| 6.1 Major Findings of the Research | 第65-67页 |
| 6.2 Limitations of This Study | 第67-68页 |
| 6.3 Recommendations for Future Research | 第68-69页 |
| Bibliography | 第69-72页 |
| Appendix I | 第72-74页 |
| Appendix II | 第74-76页 |
| Appendix III | 第76-79页 |
| Appendix IV | 第79页 |
