| 摘要 | 第1-4页 |
| Abstract | 第4-7页 |
| Chapter One Introduction | 第7-13页 |
| ·Background of the Study | 第7-8页 |
| ·Rationale and Purpose of the Study | 第8-10页 |
| ·Layout of the Paper | 第10-13页 |
| Chapter Two Literature Review | 第13-21页 |
| ·Definitions of Code-switching | 第13-14页 |
| ·Types of CS | 第14-15页 |
| ·Previous Studies on CS | 第15-21页 |
| ·Research Approaches to CS | 第16-19页 |
| ·Related Studies on Chinese-English CS | 第19-21页 |
| Chapter Three Theoretical Framework | 第21-29页 |
| ·Verschueren’s Adaptation Theory and Language Choice | 第21-22页 |
| ·Yu Guodong’s Linguistic Adaptation Model | 第22-29页 |
| ·Variability, Adaptability and Negotiability of CS | 第23-25页 |
| ·Passive and Active Adaptation | 第25-29页 |
| Chapter Four Research Methodology | 第29-33页 |
| ·General Introduction | 第29页 |
| ·Data | 第29-30页 |
| ·Instruments | 第30页 |
| ·Procedures | 第30-33页 |
| ·Data Collection | 第30-31页 |
| ·Data Analysis | 第31-33页 |
| Chapter Five Results and Discussion | 第33-57页 |
| ·Qualitative Results | 第33-46页 |
| ·CS as Adaptation to Linguistic Reality | 第33-35页 |
| ·CS as Adaptation to Social Conventions | 第35-37页 |
| ·CS as Adaptation to Psychological Motivations | 第37-46页 |
| ·Quantitative Results | 第46-57页 |
| ·Variability Manifested in VOA Bilingual Educational Programs | 第46-53页 |
| ·Negotiability Manifested in VOA Bilingual Educational Programs | 第53-54页 |
| ·Adaptability Manifested in VOA Bilingual Educational Programs | 第54-57页 |
| Chapter Six Conclusion | 第57-61页 |
| ·Major Findings | 第57-59页 |
| ·On Teaching Functions of CS | 第57-58页 |
| ·On Communicative Functions of CS | 第58-59页 |
| ·Implications | 第59页 |
| ·Limitations | 第59-61页 |
| Acknowledgements | 第61-63页 |
| Bibliography | 第63-67页 |
| Publications | 第67-68页 |
