| Acknowledgements | 第1-5页 |
| 摘要 | 第5-7页 |
| Abstract | 第7-11页 |
| 1.Introduction | 第11-15页 |
| ·General introduction | 第11-12页 |
| ·Rationale and aims of the study | 第12-13页 |
| ·Structure of the thesis | 第13-15页 |
| 2.Literature Review | 第15-25页 |
| ·Definitions of CS | 第15-16页 |
| ·Types of CS | 第16-18页 |
| ·Previous researches on CS | 第18-25页 |
| ·Researches done by foreign scholars | 第18-21页 |
| ·The sociolinguistic approach | 第18-19页 |
| ·The grammatical approach | 第19-20页 |
| ·The psycholinguistic approach | 第20-21页 |
| ·The conversational analysis approach | 第21页 |
| ·Researches done by Chinese scholars | 第21-25页 |
| ·Overall review of studies | 第21-22页 |
| ·The pragmatic approach | 第22-25页 |
| 3.Theoretical Framework | 第25-33页 |
| ·Verschueren's Linguistic Adaptation Theory | 第25-28页 |
| ·Language choice and related notions | 第25-26页 |
| ·Framework of the Linguistic Adaptation Theory | 第26-28页 |
| ·Application of the Linguistic Adaptation Theory in CS study——Yu Guodong's Linguistic Adaptation Model | 第28-33页 |
| ·Adaptability of CS | 第29-30页 |
| ·Negotiability of CS | 第30-31页 |
| ·Variability of CS | 第31-33页 |
| 4.Research Methodology | 第33-38页 |
| ·Research methodology of the present study | 第33页 |
| ·A brief introduction of University Students | 第33-35页 |
| ·Data collection and processing | 第35-36页 |
| ·Research questions | 第36-38页 |
| 5.Results and Discussion | 第38-66页 |
| ·Adaptability of CS inUniversityStudents | 第38-56页 |
| ·CS as adaptation to the linguistic reality | 第38-46页 |
| ·Adaptation to the linguistic existence | 第38-43页 |
| ·Adaptation to the linguistic features | 第43-46页 |
| ·CS as adaptation to the social conventions | 第46-49页 |
| ·CS as adaptation to the psychological motivations | 第49-56页 |
| ·CS as explanation or emphasis strategy | 第49-50页 |
| ·CS as identity-concealing strategy | 第50-51页 |
| ·CS as humor-creating strategy | 第51-52页 |
| ·CS as authenticity-keeping strategy | 第52-53页 |
| ·CS as mitigation strategy | 第53页 |
| ·CS as convenience-seeking strategy | 第53-54页 |
| ·CS as fashion-seeking strategy | 第54-56页 |
| ·Negotiability of CS in University Students | 第56-57页 |
| ·Variability of CS in University Students | 第57-66页 |
| ·Variability manifested in linguistic units | 第58-63页 |
| ·Variability manifested in structural complexity | 第63-66页 |
| 6.Conclusion | 第66-70页 |
| ·Major findings | 第66-67页 |
| ·Implications | 第67-68页 |
| ·Limitations and suggestions for future research | 第68-70页 |
| Bibliography | 第70-73页 |
| Appendix1 | 第73-74页 |
| Appendix2 | 第74-77页 |
| Appendix3 | 第77-79页 |
