| 摘要 | 第4-6页 |
| Abstract | 第6-7页 |
| Contents | 第8-10页 |
| Chapter One Introduction | 第10-14页 |
| Chapter Two Literature Review | 第14-30页 |
| 2.1 Definitions of Code and Code-switching | 第14-15页 |
| 2.2 Types of Code-switching | 第15-19页 |
| 2.2.1 Intersentential-switching, Intrasentential-switching and Tag-switching | 第15-17页 |
| 2.2.2 Situational Code-switching and Metaphorical Code-switching | 第17-18页 |
| 2.2.3 Discourse-related Alternation and Participant-related Alternation | 第18-19页 |
| 2.3 Approaches to Code-switching Researches | 第19-23页 |
| 2.3.1 Code-switching Based on Sociolinguistics | 第19页 |
| 2.3.2 Code-switching Based on Syntactics | 第19-20页 |
| 2.3.3 Code-switching Based on Psycholinguistics | 第20-21页 |
| 2.3.4 Code-switching Based on Pragmatics | 第21-23页 |
| 2.4 Attitudes Towards Classroom Code-switching | 第23-26页 |
| 2.4.1 Oppositions to Classroom Code-switching | 第23-24页 |
| 2.4.2 Support of Classroom Code-switching | 第24-26页 |
| 2.4.3 Neutral Attitudes towards Classroom Code-switching | 第26页 |
| 2.5 Empirical Studies on Code-switching in Classroom Teaching | 第26-30页 |
| Chapter Three Methodology | 第30-38页 |
| 3.1 Research Questions | 第30-31页 |
| 3.2 Setting | 第31-32页 |
| 3.3 Participants | 第32-33页 |
| 3.4 Instruments | 第33-35页 |
| 3.4.1 Classroom Observation and Classroom Recordings | 第33-34页 |
| 3.4.2 Questionnaire | 第34-35页 |
| 3.4.3 Interview | 第35页 |
| 3.5 Data Collection | 第35-36页 |
| 3.6 Data Analysis | 第36-38页 |
| 3.6.1 Quantitative Analysis | 第37页 |
| 3.6.2 Qualitative Analysis | 第37-38页 |
| Chapter Four Results and Discussion | 第38-56页 |
| 4.1 Frequency of Code-switching in English Classes | 第38-43页 |
| 4.1.1 The Frequency of Code-switching in Different Grades | 第38-39页 |
| 4.1.2 The Frequency of Code-switching in Different Lesson Types | 第39-41页 |
| 4.1.3 The Frequency of Code-switching in Different Types | 第41-43页 |
| 4.2 Students’ and Teachers’ Attitudes Towards Code-switching in English Classes34 | 第43-51页 |
| 4.2.1 Students’ and Teachers’ General Attitudes Towards Code-switching in English Classes | 第43-45页 |
| 4.2.2 Students’ and Teachers’ Attitudes Towards the Frequency of Classroom Code-switching | 第45-46页 |
| 4.2.3 Students’ Attitudes Towards the Amount of Classroom Code-switching | 第46-48页 |
| 4.2.4 Students’ and Teachers’ Attitudes Towards the Effects of Classroom Code-switching | 第48-50页 |
| 4.2.5 Students’ Attitudes Towards the Situations When the Use of Code-switching Should be Increased | 第50-51页 |
| 4.3 Some Problems Existing in Code-switching in High School English Class | 第51-56页 |
| 4.3.1 Say Turkey to Chinese and Bazzard to English | 第51-52页 |
| 4.3.2 Unmarkedness of Classroom Code-switching | 第52-54页 |
| 4.3.3 Inappropriate Use of Code-switching | 第54-56页 |
| Chapter Five Conclusion | 第56-60页 |
| 5.1 Summary of the Major Findings | 第56-57页 |
| 5.2 Pedagogic Implications | 第57-59页 |
| 5.3 Limitations and Recommendations for Future Research | 第59-60页 |
| Bibliography | 第60-65页 |
| Appendices | 第65-69页 |
| Acknowledgements | 第69页 |
