| Chapter I Introduction | 第1-13页 |
| ·Background | 第9-11页 |
| ·Research Orientation | 第11-12页 |
| ·Structure of the Thesis | 第12-13页 |
| Chapter II Literature Review | 第13-32页 |
| ·Theoretical Issues Related to TL/L1 Use in the Classroom | 第13-18页 |
| ·Input and Exposure to the TL | 第13-14页 |
| ·Advantages of Limited Use of the L1 | 第14-16页 |
| ·Appropriate Use of the L1 | 第16-18页 |
| ·Empirical Studies on TL/L1 Use in the FL Classroom | 第18-25页 |
| ·Studies Involving Different FLs | 第18-21页 |
| ·Studies Involving One FL | 第21-23页 |
| ·Studies Examining EFL Classrooms in China | 第23-24页 |
| ·Summary | 第24-25页 |
| Chapter III Methodology | 第25页 |
| ·Context of the Study | 第25-26页 |
| ·Research Questions | 第26页 |
| ·Participants | 第26-27页 |
| ·Instruments | 第27-29页 |
| ·Classroom Observation and Interview | 第27-28页 |
| ·The Use of Chinese in the CE Classroom Questionnaire | 第28-29页 |
| ·Data Collection | 第29-30页 |
| ·Data Analysis | 第30-32页 |
| Chapter IV Results and Discussion | 第32-46页 |
| ·How much Chinese is typically used on the part of teacher in CE classrooms? | 第32-36页 |
| ·How much Chinese is used in the current CE classroom? | 第32-34页 |
| ·How much Chinese will be used in the second semester? | 第34-35页 |
| ·How much Chinese was used in the previous semester? | 第35-36页 |
| ·When does the teacher tend to use Chinese in the CE classroom? | 第36-42页 |
| ·What are factors that affect teachers’language use? | 第42-46页 |
| Chapter V Conclusion | 第46-52页 |
| ·Major Findings | 第46-47页 |
| ·Pedagogical Implications | 第47-50页 |
| ·Limitations | 第50-51页 |
| ·Recommendations for Future Research | 第51-52页 |
| References | 第52-55页 |
| Appendix | 第55-61页 |
| Abstract | 第61-63页 |
| 中文摘要 | 第63-65页 |
| 导师及作者简介 | 第65页 |
