| Acknowledgements | 第5-6页 |
| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| 1. Introduction | 第12-15页 |
| 1.1 Background of the research | 第12-13页 |
| 1.2 Purpose and significance of the research | 第13-14页 |
| 1.3 Layout of the dissertation | 第14-15页 |
| 2. Literature Review | 第15-32页 |
| 2.1 Teacher discourse | 第15-22页 |
| 2.1.1 Definitions of teacher discourse | 第15-16页 |
| 2.1.2 Categories of teacher discourse | 第16-22页 |
| 2.1.2.1 The amount of teacher discourse | 第16-18页 |
| 2.1.2.2 Teacher's questioning | 第18-19页 |
| 2.1.2.3 Teacher's error correction | 第19-20页 |
| 2.1.2.4 Teacher's feedback | 第20-22页 |
| 2.1.3 Functions of teacher discourse | 第22页 |
| 2.2 L2 Willingness to communicate | 第22-29页 |
| 2.2.1 Definition of L2 willingness to communicate | 第23页 |
| 2.2.2 Previous studies on L2 willingness to communicate | 第23-29页 |
| 2.2.2.1 The current situation of L2 willingness to communicate | 第24-25页 |
| 2.2.2.2 Internal factors of L2 willingness to communicate | 第25-27页 |
| 2.2.2.3 External factors of L2 willingness to communicate | 第27-29页 |
| 2.3 Previous studies on the effect of teacher discourse on willingness tocommunicate | 第29-30页 |
| 2.4 Summary | 第30-32页 |
| 3. Research Methods | 第32-38页 |
| 3.1 Research questions | 第32页 |
| 3.2 Context and participants | 第32-34页 |
| 3.3 Research instruments | 第34-36页 |
| 3.3.1 Questionnaire | 第34-35页 |
| 3.3.2 Classroom observation | 第35页 |
| 3.3.3 Oral interview | 第35-36页 |
| 3.4 Data collection and analysis | 第36-38页 |
| 4. Results and Discussion | 第38-59页 |
| 4.1 The current situation of students'L2 willingness to communicate | 第38-44页 |
| 4.1.1 The overall characteristics of students' L2 WTCI score | 第38-39页 |
| 4.1.2 Descriptive statistics of each WTCIS item | 第39-42页 |
| 4.1.3 Gender difference in overall WTCI and each item | 第42-44页 |
| 4.2 The effect of teacher discourse on students' L2 willingness to communicate | 第44-52页 |
| 4.2.1 The effect of teacher's amount of discourse | 第44-46页 |
| 4.2.2 The effect of questioning | 第46-48页 |
| 4.2.3 The effect of teacher's error correction | 第48-50页 |
| 4.2.4 The effect of teacher's feedback | 第50-52页 |
| 4.3 The most important influencing factor of teacher discourse on students' L2willingness to communicate | 第52-56页 |
| 4.4 The discussion and significance of the results | 第56-59页 |
| 5. Conclusions and Implications | 第59-65页 |
| 5.1 Summary of the major findings | 第59-60页 |
| 5.2 Pedagogical implications | 第60-63页 |
| 5.2.1 Adapting appropriate amount of teacher discourse | 第61页 |
| 5.2.2 Using appropriate questioning to improve students' L2 WTC | 第61-62页 |
| 5.2.3 Using appropriate error correction to improve students' L2 WTC | 第62页 |
| 5.2.4 Using different feedback to improve students' L2 WTC | 第62-63页 |
| 5.3 Limitations of the present study | 第63页 |
| 5.4 Suggestions for future study | 第63-65页 |
| Bibliography | 第65-70页 |
| Appendix 1 | 第70-72页 |
| Appendix 2 | 第72-73页 |
| Appendix 3 | 第73-76页 |
| Appendix 4 | 第76-78页 |
| Appendix 5 | 第78-80页 |
