| Acknowledgement | 第1-7页 |
| 中文摘要 | 第7-8页 |
| Abstract | 第8-11页 |
| Chapter Ⅰ Introdutction | 第11-15页 |
| ·General introduction | 第11-12页 |
| ·The Rationale of the Present Research | 第12-13页 |
| ·Significance of the Study | 第13页 |
| ·Outline of the Thesis | 第13-15页 |
| Chapter Ⅱ Literature Review | 第15-23页 |
| ·Definitions of Code-switching | 第15页 |
| ·Code-switching and Code-mixing | 第15-17页 |
| ·Types of Code-switching | 第17-19页 |
| ·Intersentential,intrasentential and extrasentential(or tag)switching | 第17-18页 |
| ·Situational and metaphorical code-switching | 第18-19页 |
| ·Alteration,insertion and congruent lexicalization | 第19页 |
| ·Previous Studies on Code-switching | 第19-23页 |
| ·Overseas Studies on CS | 第19-21页 |
| ·Domestic Studies on CS | 第21-23页 |
| Chapter Ⅲ Theoretical Framework | 第23-29页 |
| ·Verschueren's Linguistic Adaptation Theory | 第23-25页 |
| ·Language Choice and Related Notions | 第23-24页 |
| ·Framework of the Linguistic Adaptation Theory | 第24-25页 |
| ·Yu's Adaptation Model | 第25-29页 |
| Chapter ⅣResearch Methodology | 第29-32页 |
| ·Research Questions | 第29页 |
| ·Research Methodology | 第29页 |
| ·Data Corpus | 第29-32页 |
| Chapter Ⅴ Results and Discussion | 第32-50页 |
| ·Linguistic Adaptation and Chinese-English CS | 第32页 |
| ·Chinese-English CS as Adaptation to Linguistic Reality | 第32-36页 |
| ·Adaptation to the linguistic existence | 第33-34页 |
| ·Adaptation to Linguistic Features | 第34-36页 |
| ·Chinese-English CS as Adaptation to Social Convention | 第36-38页 |
| ·Chinese-English CS as Adaptation to Psychological Motivations | 第38-50页 |
| ·Chinese-English CS as a humor-creating strategy | 第38-39页 |
| ·Chinese-English CS as an identity-concealing strategy | 第39-40页 |
| ·Chinese-English CS as an exotic-flavor production strategy | 第40-41页 |
| ·Chinese-English CS as an explanation or emphasis strategy | 第41-43页 |
| ·Chinese-English CS as a face-saving and tone-softening strategy | 第43-45页 |
| ·Chinese-English CS as a quotation strategy to maintain authenticity | 第45页 |
| ·Chinese-English CS as an effort-saving strategy | 第45-46页 |
| ·Chinese-English CS as an expression of modernity and fashion | 第46-50页 |
| Chapter VI Conclusion | 第50-53页 |
| ·Major Findings of the Study | 第50-51页 |
| ·Limitations of the Present Study | 第51-52页 |
| ·Suggestions for Further Study | 第52-53页 |
| Bibliography | 第53-55页 |
