| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-12页 |
| LIST OF ABBREVIATIONS | 第12-14页 |
| CHAPTER ONE INTRODUCTION | 第14-18页 |
| 1.1 Background of the present study | 第14-15页 |
| 1.2 Purpose and significance of the study | 第15-17页 |
| 1.3 Outline of the study | 第17-18页 |
| CHAPTER TWO LITERATURE REVIEW | 第18-37页 |
| 2.1 Code-switching | 第18-28页 |
| 2.1.1 Definition of code-switchig | 第18-20页 |
| 2.1.2 Previous studies on code-switching | 第20-25页 |
| 2.1.3 Previous studies on code-switching in the Chinese context | 第25-28页 |
| 2.2 Entertainment and network variety show | 第28-34页 |
| 2.2.1 Network variety show | 第29-32页 |
| 2.2.2 Characteristics of entertainment in network variety show | 第32-34页 |
| 2.3 Previous studies on code-switching in entertainment | 第34-37页 |
| CHAPTER THREE THEORETICAL FRAMEWORK | 第37-44页 |
| 3.1 Linguitsic adaptation theory | 第37-40页 |
| 3.1.1 Language use and language choice | 第37-38页 |
| 3.1.2 Three characteristics of language | 第38-39页 |
| 3.1.3 Properties of language in choice-making process | 第39-40页 |
| 3.2 Linguitsic adaptation model on code-switching study | 第40-44页 |
| 3.2.1 Adaptability to linguistic reality | 第42页 |
| 3.2.2 Adaptability to social convention | 第42-43页 |
| 3.2.3 Adaptability to psychological motivation | 第43-44页 |
| CHAPTER FOUR RESEARCH METHODOLOGY | 第44-48页 |
| 4.1 Research questions | 第44-45页 |
| 4.2 Data collection | 第45页 |
| 4.3 Analytical procedure | 第45-48页 |
| CHAPTER FIVE DATA ANALYSIS AND DISCUSSION | 第48-80页 |
| 5.1 Types and functions classification of code-switcing in Let’s Talk | 第48-52页 |
| 5.1.1 Types of code-switching in Let’s Talk | 第48-51页 |
| 5.1.2 Functions of code-switching in Let’s Talk | 第51-52页 |
| 5.2 The entertainment effects achieved by code-switching in Let’s Talk | 第52-77页 |
| 5.2.1 Code-switching as adaptation to linguistic reality | 第53-62页 |
| 5.2.2 Code-switching as adaptation to social convention | 第62-65页 |
| 5.2.3 Code-switching as adaptation to psychological motivation | 第65-77页 |
| 5.3 Motivations of using code-switching in Let’s Talk | 第77-78页 |
| 5.4 Summary | 第78-80页 |
| CHAPTER SIX CONCLUSION | 第80-85页 |
| 6.1 Major findings of the present study | 第80-82页 |
| 6.2 Theoretical contributions and practical implications | 第82-83页 |
| 6.3 Limitations and suggestions for future research | 第83-85页 |
| REFERENCES | 第85-88页 |
| APPENDIX | 第88-90页 |
