| Abstract | 第1-8页 |
| 摘要 | 第8-9页 |
| Introduction | 第9-12页 |
| Research Background | 第9页 |
| Significance of the Study | 第9-10页 |
| The Framework of this Thesis | 第10-12页 |
| Chapter 1 Literature Review | 第12-22页 |
| ·Studies of Code-switching Abroad | 第12-18页 |
| ·Studies of Code-switching on Classroom Teaching | 第16-17页 |
| ·Studies of Code-switching in otherAreas | 第17-18页 |
| ·Studies of Code-switching in China | 第18-22页 |
| Chapter 2 Theoretical Framework | 第22-38页 |
| ·Code-switching | 第22-28页 |
| ·The Definition of Code-switching | 第22-24页 |
| ·The Types of Code-switching | 第24-26页 |
| ·The Functions of Code-switching | 第26-28页 |
| ·LinguisticAdaptation Theory by Verschueren | 第28-34页 |
| ·Three Characteristics of Language Choice | 第28-29页 |
| ·FourAngles of LanguageAdaptation | 第29-34页 |
| ·Adaptation Model of Code-switching by Yu Guodong | 第34-38页 |
| ·Adaptation to Linguistic Reality | 第35-36页 |
| ·Adaptation to Social Conventions | 第36-37页 |
| ·Adaptation to Psychological Motivations | 第37-38页 |
| Chapter 3 Methodology | 第38-41页 |
| ·Research Questions | 第38页 |
| ·Subjects | 第38-39页 |
| ·Instruments | 第39页 |
| ·Tape Recorder | 第39页 |
| ·Student Questionnaire | 第39页 |
| ·Teacher Questionnaire | 第39页 |
| ·Data Collection | 第39-41页 |
| Chapter 4 Results and Discussion | 第41-59页 |
| ·The Present Situation of Teacher's Use of Code-switching in Classrooms | 第41-50页 |
| ·The Types of Teacher's Use of Code-switching | 第41-45页 |
| ·The Frequency of Teacher's Use of Code-switching | 第45-46页 |
| ·The Functions of Teacher's Use of Code-switching | 第46-50页 |
| ·Analysis of Teacher’s Use of Code-switching in Classrooms from Adaptation Model by Yu Guodong | 第50-55页 |
| ·Code-switching as Adaptation to Linguistic Reality | 第50-52页 |
| ·Code-switching as Adaptation to Teacher's Roles | 第52-53页 |
| ·Code-switching as Adaptation to Teacher's Psychological Motivations | 第53-55页 |
| ·Students'Attitudes Towards Teacher's Use of Code-switching | 第55-59页 |
| Chapter 5 Implications | 第59-62页 |
| ·Implications for Teaching | 第59-60页 |
| ·Implications for Cross-cultural Communication | 第60-62页 |
| Conclusion | 第62-64页 |
| Major Findings of the Study | 第62-63页 |
| Limitations and Suggestions | 第63-64页 |
| References | 第64-68页 |
| 发表论文和参加科研情况 | 第68-69页 |
| Appendix I Student Questionnaire | 第69-71页 |
| Appendix II Teacher Questionnaire | 第71-73页 |
| Appendix III Transcribed Written Documents of Class Recordings | 第73-81页 |
| Acknowledgements | 第81页 |
