| Acknowledgements | 第1-7页 |
| Abstract | 第7-10页 |
| 摘要 | 第10-19页 |
| List of Abbreviations | 第19-20页 |
| Chapter One Introduction | 第20-25页 |
| ·Background of the Study | 第20-22页 |
| ·Purpose of the Study | 第22-23页 |
| ·Significance of the Study | 第23-24页 |
| ·Organization of the Study | 第24-25页 |
| Chapter Two Theoretical Framework | 第25-41页 |
| ·Speech Act Theory | 第25-28页 |
| ·Austin’s Speech Act Theory | 第25-26页 |
| ·Searle’s Speech Act Theory | 第26-28页 |
| ·Cooperative Principle | 第28-29页 |
| ·Politeness Theory | 第29-33页 |
| ·Brown and Levinson’s Politeness Theory | 第29-31页 |
| ·Leech’s Politeness Principle | 第31-32页 |
| ·Gu’s Politeness Principle | 第32-33页 |
| ·Cross-Cultural Pragmatics | 第33-35页 |
| ·Greeting and Parting Speech Acts | 第35-41页 |
| ·Greeting and Parting as Conversational Components | 第35-37页 |
| ·Greeting and Parting as Illocutionary Acts | 第37-38页 |
| ·Greeting and Parting as Linguistic Routines of Politeness | 第38-41页 |
| Chapter Three Literature Review | 第41-50页 |
| ·Studies on Greeting and Parting | 第41-45页 |
| ·Studies on Dongxiang Minority Language and Lanzhou Dialect | 第45-47页 |
| ·Studies on DML | 第45-47页 |
| ·Studies on LD | 第47页 |
| ·Studies on Endangered Languages | 第47-50页 |
| Chapter Four Method | 第50-63页 |
| ·Research Questions | 第50-51页 |
| ·Participants | 第51-52页 |
| ·Research Design | 第52-57页 |
| ·Design of the Variables | 第52-53页 |
| ·Situation Design of Role-Play | 第53-55页 |
| ·Pilot Study | 第55-56页 |
| ·Design of Questionnaire | 第56-57页 |
| ·Instrument | 第57-58页 |
| ·Procedures | 第58-62页 |
| ·Preparation | 第58页 |
| ·Role Play | 第58-59页 |
| ·Transcriptions of Video Recordings | 第59-60页 |
| ·Data Coding | 第60-61页 |
| ·Data Collection | 第61-62页 |
| ·Data Analysis | 第62-63页 |
| Chapter Five Results | 第63-80页 |
| ·Results of Research Question One | 第63-65页 |
| ·Results of Research Question Two | 第65-70页 |
| ·Results of Research Question Three | 第70-73页 |
| ·Results of Research Question Four | 第73-80页 |
| Chapter Six Analysis and Discussion of the Results | 第80-94页 |
| ·Analysis of Greeting and Parting | 第80-85页 |
| ·Analysis of Greeting | 第80-83页 |
| ·Analysis of Parting | 第83-85页 |
| ·Analysis and Discussion of Research Question One | 第85-86页 |
| ·Analysis and Discussion of Research Question Two | 第86-88页 |
| ·Analysis and Discussion of Research Question Three | 第88-90页 |
| ·Analysis and Discussion of Research Question Four | 第90-94页 |
| ·The Similarities of the Greeting and Parting Strategies Between DML and LD | 第90-91页 |
| ·The Differences of the Greeting and Parting Strategies Between DML AND LDDML and LD | 第91-94页 |
| Chapter Seven Conclusion | 第94-98页 |
| ·Main Findings | 第94-95页 |
| ·Limitations | 第95-96页 |
| ·Implications | 第96-98页 |
| References | 第98-106页 |
| Appendices | 第106-116页 |
| Appendix A Questionnaires on Greeting and Parting Strategies in DML | 第106-111页 |
| Appendix B Questionnaires on Greeting and Parting Strategies in LD | 第111-116页 |
| Publications of the Author | 第116页 |
