| 中文摘要 | 第1-4页 |
| Abstract | 第4-9页 |
| Chapter 1 Introduction | 第9-13页 |
| ·Background of the Study | 第9-10页 |
| ·Objectives of the Study | 第10-11页 |
| ·Significance of the Study | 第11页 |
| ·Layout of the Thesis | 第11-13页 |
| Chapter 2 Literature Review | 第13-23页 |
| ·Definitions of Code and Code Switching | 第13-14页 |
| ·Types of Code Switching | 第14-15页 |
| ·Attitude toward Code Switching | 第15-17页 |
| ·Exclusive Use of the Target Language | 第15-16页 |
| ·Opposition to Exclusive Use of the Target Language | 第16-17页 |
| ·Empirical Studies on Classroom Code Switching | 第17-21页 |
| ·Empirical Studies abroad | 第17-20页 |
| ·Empirical Studies at home | 第20-21页 |
| ·Theoretical Framework of the Thesis | 第21-23页 |
| ·Transfer of L1 from the Cognitive Views | 第21-22页 |
| ·Krashen's Input Hypothesis | 第22-23页 |
| Chapter 3 Research Methodology | 第23-27页 |
| ·Research Questions | 第23页 |
| ·Subjects | 第23-24页 |
| ·Subjects of Classroom Observation and Recordings | 第23页 |
| ·Subjects of Interviews | 第23-24页 |
| ·Instruments | 第24-25页 |
| ·Classroom Observation and Recordings | 第24页 |
| ·Interviews of Teachers | 第24-25页 |
| ·Procedures | 第25-27页 |
| ·Procedure of Data Collection | 第25页 |
| ·Procedure of Data Analysis | 第25-27页 |
| Chapter 4 Data Analysis | 第27-39页 |
| ·Characteristics of Teachers' Code Switching in College English Classroom | 第27-32页 |
| ·Overall Amounts of Each Language in Teachers' Talk | 第27-28页 |
| ·Types of Teachers' Code Switching | 第28页 |
| ·Functions of Teachers' Code Switching | 第28-32页 |
| ·Teachers' Report on Code Switching in College English Classroom | 第32-39页 |
| ·Attitude toward Teachers' Classroom Code Switching | 第32页 |
| ·Overall Amounts of Each Language in Teachers' Classroom Code Switching | 第32-33页 |
| ·Frequency of Teachers' Classroom Code Switching | 第33页 |
| ·Types of Teachers' Classroom Code Switching | 第33-34页 |
| ·Functions of Teachers' Classroom Code Switching | 第34-35页 |
| ·Factors Influencing Teachers' Classroom Code Switching | 第35-39页 |
| Chapter 5 Existing Problems | 第39-43页 |
| ·From the Perspective of Teachers | 第39-42页 |
| ·Lack of Awareness as to the Extent of Their Code Switching | 第39-40页 |
| ·Lack of Awareness as to Why They Switch Codes | 第40-41页 |
| ·Lack of Awareness as to How They Switch Codes | 第41-42页 |
| ·From the Perspective of Departmental Administrators | 第42-43页 |
| Chapter 6 Pedagogical Implications | 第43-46页 |
| ·From the Perspective of Teachers | 第43-44页 |
| ·From the Perspective of Departmental Administrators | 第44-46页 |
| Chapter 7 Conclusion | 第46-48页 |
| ·Summary of the Study | 第46-47页 |
| ·Limitations of the Present Study and Suggestions for Further Study | 第47-48页 |
| Notes | 第48-49页 |
| Bibliography | 第49-52页 |
| Appendices | 第52-56页 |
| Appendix A: Questions Used in Teacher Interviews | 第52-54页 |
| Appendix B: Questions Used in Teacher Interviews (Chinese Version) | 第54-56页 |
| List of Tables | 第56-57页 |
| Abbreviations | 第57-58页 |
| Publications during the Postgraduate Program | 第58-59页 |
| Acknowledgements | 第59-60页 |
