| 摘要 | 第1-8页 |
| Abstract | 第8-12页 |
| Chapter 1 Introduction | 第12-18页 |
| ·Background of the Research | 第12-13页 |
| ·Previous Studies on Speech Act of Requests | 第13-15页 |
| ·Previous Studies on Politeness Degree | 第15-16页 |
| ·Purpose and Significance of the Study | 第16页 |
| ·Organization of the Thesis | 第16-18页 |
| Chapter 2 Theoretical Framework | 第18-28页 |
| ·Speech Act Theory | 第18-20页 |
| ·Three-fold Distinction of Speech Acts | 第18-19页 |
| ·Direct and Indirect Speech Acts | 第19-20页 |
| ·Leech's Politeness Theories | 第20-23页 |
| ·The Politeness Principle | 第20-21页 |
| ·Pragmatic Scales for Politeness | 第21-23页 |
| ·The Cost-benefit Scale | 第21-22页 |
| ·The Optionality Scale | 第22-23页 |
| ·The Indirectness Scale | 第23页 |
| ·Notion of Social-linguistic Appropriateness | 第23-26页 |
| ·Classification of Request Strategies | 第26-28页 |
| Chapter 3 Methodology | 第28-36页 |
| ·Subjects | 第28-29页 |
| ·Instruments | 第29-31页 |
| ·Written Discourse Completion Tasks(WDCT) | 第29-30页 |
| ·Multiple-choice Discourse Completion Tasks(MDCT) | 第30-31页 |
| ·Procedure | 第31-36页 |
| ·Data Collection | 第32-35页 |
| ·Data Analysis | 第35-36页 |
| Chapter 4 Results and Discussion | 第36-54页 |
| ·Descriptive Results of Chinese EFL Learners' Request Strategies | 第36-44页 |
| ·Overall Distribution of Request Strategy Choices | 第36-37页 |
| ·Data of Strategy Choices from WDCT and MDCT | 第37-39页 |
| ·Comparasion of Request Strategy Choices by Enlish Majors and Non-English Majors | 第39-44页 |
| ·Direct Strategies | 第39-41页 |
| ·Conventional Indirect Strategies | 第41-42页 |
| ·Non-conventional Indirect Strategies | 第42-44页 |
| ·Manifestation of Politeness Degrees in Chinese EFL Learners' Speech Acts of Request | 第44-47页 |
| ·Politeness Degrees of English Majors' Requests | 第44-45页 |
| ·Politeness Degrees of Non-English Majors' Requests | 第45-46页 |
| ·Comparison of Chinese Learners' Politeness Degrees in Making Requests | 第46-47页 |
| ·Politeness Degrees of Chinese Learners' Requests and Social-linguistic Appropriateness | 第47-51页 |
| ·Politeness Degrees in High Distance Situations | 第48-50页 |
| ·Politeness Degrees in Low Distance Situations | 第50-51页 |
| ·Discussion | 第51-54页 |
| Chapter 5 Conclusion | 第54-58页 |
| ·Major Findings | 第54-55页 |
| ·Pedagogic Implications | 第55-56页 |
| ·Limitations and Suggestions | 第56-58页 |
| Bibliography | 第58-62页 |
| APPENDIX | 第62-65页 |
| Acknowledgements | 第65-66页 |
| Articles Published during MA Study | 第66页 |
