| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTARCT | 第6-7页 |
| 摘要 | 第8-12页 |
| LIST OF ABBREVIATIONS | 第12-14页 |
| CHAPTER ONE GENERAL INTRODUCTION | 第14-22页 |
| 1.1 Introduction | 第14-17页 |
| 1.2 The rationale of this study | 第17-19页 |
| 1.3 Objectives of the present study | 第19页 |
| 1.4 Problems with the existing studies | 第19-20页 |
| 1.5 Outline of the present study | 第20-22页 |
| CHAPTER TWO LITERATURE REVIEW | 第22-42页 |
| 2.1 Introduction | 第22-23页 |
| 2.2 Terminology | 第23-27页 |
| 2.2.1 Code, code-switching and code-mixing | 第23-26页 |
| 2.2.2 Code-mixing and borrowing | 第26-27页 |
| 2.3 Previous studies on code-mixing | 第27-32页 |
| 2.3.1 Studies from grammatical perspective | 第27-29页 |
| 2.3.2 Studies from sociolinguistic perspectives | 第29-30页 |
| 2.3.3 Studies from a perspective of conversation analysis | 第30-31页 |
| 2.3.4 Studies from psycholinguistic perspective | 第31页 |
| 2.3.5 Studies from pragmatic perspective | 第31-32页 |
| 2.4 Studies on computer-mediated discourse | 第32-37页 |
| 2.4.1 Definition and linguistic features of computer-mediateddiscourse | 第33-36页 |
| 2.4.2 Research on CMD and research on CS in CMD | 第36-37页 |
| 2.5 Research on social media and non-standard online-mediated codeand Putonghua | 第37-40页 |
| 2.5.1 Studies on social media | 第37-39页 |
| 2.5.2 Studies on non-standard Chinese online-mediated code andPutonghua | 第39-40页 |
| 2.6 Summary | 第40-42页 |
| CHAPTER THREE THEORETICAL FRAMEWORK | 第42-49页 |
| 3.1 Linguistic adaptation theory | 第42-45页 |
| 3.1.1 Properties of language in choice-making process | 第43页 |
| 3.1.2 Four aspects of linguistic adaptation | 第43-45页 |
| 3.2 Adaptation model | 第45-48页 |
| 3.3 Summary | 第48-49页 |
| CHAPTER FOUR DATA AND METHODOLOGY | 第49-53页 |
| 4.1 Research questions | 第49-50页 |
| 4.2 Data Source and data collection | 第50-52页 |
| 4.3 Data-analyzing method | 第52-53页 |
| CHAPTER FIVE DATAANALYSIS, INTERPRETATION AND DISCUSSION | 第53-86页 |
| 5.1 Features of the code-mixing phenomena | 第53-69页 |
| 5.1.1 Structural features of the code-mixing phenomenon | 第53-59页 |
| 5.1.2 Linguistic features of the code-mixing phenomenon | 第59-69页 |
| 5.2 The Adaptability of non-standard Chinese online-mediatedcode/standard Chinese Putonghua code-mixing | 第69-81页 |
| 5.2.1 Adaptation to linguistic reality | 第69-72页 |
| 5.2.2 Adaptation to social conventions | 第72-76页 |
| 5.2.3 Adaptation to psychological motivations | 第76-81页 |
| 5.3 Discussion | 第81-84页 |
| 5.4 Summary | 第84-86页 |
| CHAPTER SIX CONCLUSION | 第86-90页 |
| 6.1 Summary of the study | 第86-88页 |
| 6.2 Limitations and suggestions of the study | 第88-90页 |
| 6.2.1 Limitations of the study | 第88-89页 |
| 6.2.2 Suggestions for future study | 第89-90页 |
| REFERENCE | 第90-96页 |
| APPENDIX | 第96-132页 |
