| Abstract | 第1-7页 |
| 摘要 | 第7-12页 |
| Chapter 1 Introduction | 第12-15页 |
| ·Research background | 第12-13页 |
| ·Research objectives | 第13页 |
| ·Research significance | 第13-14页 |
| ·Layout of the thesis | 第14-15页 |
| Chapter 2 Literature Review | 第15-27页 |
| ·Introduction of code-switching | 第15-17页 |
| ·Definitions of code-switching | 第15-16页 |
| ·Types of code-switching | 第16-17页 |
| ·Various approaches to code-switching | 第17-20页 |
| ·Conversational-analytic approach to code-switching | 第17-18页 |
| ·Grammatical approach to code-switching | 第18-19页 |
| ·Sociolinguistic approach to code-switching | 第19页 |
| ·Psychological approach to code-switching | 第19页 |
| ·Pragmatic approach to code-switching | 第19-20页 |
| ·Studies on classroom code-switching | 第20-22页 |
| ·Characteristics of classroom code-switching research | 第20-21页 |
| ·Bilingual classroom interaction and classroom code-switching | 第21-22页 |
| ·Studies on teacher code-switching in classroom | 第22-26页 |
| ·Previous studies on teacher code-switching | 第22-24页 |
| ·Research on the attitudes toward teacher code-switching strategy | 第24-26页 |
| ·Summary | 第26-27页 |
| Chapter 3 Methodology | 第27-35页 |
| ·Research questions | 第27页 |
| ·Participants | 第27-29页 |
| ·Instruments | 第29-31页 |
| ·Questionnaires | 第30-31页 |
| ·Recordings and classroom observations | 第31页 |
| ·Procedures of data collection | 第31-32页 |
| ·Procedures of data analysis | 第32-34页 |
| ·Summary | 第34-35页 |
| Chapter 4 Results and Findings | 第35-49页 |
| ·Results and findings in classrooms of arts and sports majors based on questionnaires | 第35-44页 |
| ·Frequency of teacher s use of code-switching | 第35-36页 |
| ·Attitudes toward teacher s use of code-switching | 第36-40页 |
| ·Students expectations of teachers use of code-switching | 第40-43页 |
| ·Factors influencing teacher s use of code-switching | 第43-44页 |
| ·Results and findings based on classroom recordings in classrooms of arts and sports majors | 第44-48页 |
| ·Frequency of six teachers use of code-switching | 第44-46页 |
| ·Types of six teachers use of code-switching | 第46-47页 |
| ·Functional classifications of six teacher s code-switching | 第47-48页 |
| ·Summary | 第48-49页 |
| Chapter 5 Analysis and Discussions | 第49-70页 |
| ·Features of teacher code-switching | 第49-58页 |
| ·Structural features of teacher code-switching | 第49-52页 |
| ·Conversational features of teacher code-switching in interactional organizations | 第52-58页 |
| ·Functions of teacher code-switching in language learning | 第58-66页 |
| ·Translation | 第58-60页 |
| ·Communicative uses | 第60-64页 |
| ·Meta-linguistic uses | 第64-66页 |
| ·Factors influencing teacher s use of code-switching | 第66-69页 |
| ·Students English proficiency | 第66-67页 |
| ·Situational factors | 第67-68页 |
| ·Cross-linguistic difference | 第68页 |
| ·Other factors | 第68-69页 |
| ·Summary | 第69-70页 |
| Chapter 6 Conclusion | 第70-75页 |
| ·Summary of major findings | 第70-71页 |
| ·Pedagogical implications | 第71-73页 |
| ·Limitations of the study | 第73-74页 |
| ·Suggestions for future research | 第74-75页 |
| Bibliography | 第75-81页 |
| List of Tables | 第81-82页 |
| Appendix A | 第82-86页 |
| Appendix B | 第86-87页 |
| 攻读硕士学位期间主要科研成果 | 第87-88页 |
| Acknowledgements | 第88页 |
