| Abstract | 第1-9页 |
| 摘要 | 第9-11页 |
| List of Tables | 第11-12页 |
| List of Figures | 第12-13页 |
| Abbreviations | 第13-14页 |
| Introduction | 第14-17页 |
| Chapter I Literature Review | 第17-34页 |
| ·Speech Act Approach to Request | 第17-20页 |
| ·Speech Act Theory | 第17-18页 |
| ·Request in Light of Speech Act Theory | 第18-20页 |
| ·Request in Light of the Politeness Principle | 第20-23页 |
| ·Request in Light of Face Theory | 第23-25页 |
| ·Request Strategies | 第25-28页 |
| ·Request Structures | 第28-34页 |
| ·Traditional Analysis of Request Structures | 第28-29页 |
| ·Traditional Analysis of Request Modifications | 第29-34页 |
| ·Internal Modifications | 第30-32页 |
| ·External Modifications | 第32-34页 |
| Chapter II Theoretical Framework | 第34-50页 |
| ·Speech Act Scenario Theory | 第34-39页 |
| ·Panther and Thornburg's Speech Act Scenario Theory | 第34-36页 |
| ·Speech Act Scenario and Request Speech Act | 第36-39页 |
| ·Mendoza and Hernandez's Revision | 第39-50页 |
| ·Function of ICMs in Describing Request | 第41-43页 |
| ·Function of Metaphor and Image Schema in Describing Request | 第43-50页 |
| Chapter III Research Methodology | 第50-58页 |
| ·Research Questions | 第50页 |
| ·Instrumentation | 第50-55页 |
| ·Discourse Completion Tasks | 第51-52页 |
| ·Modifications of the DCT for the Present Study | 第52-55页 |
| ·Subjects | 第55-56页 |
| ·Procedure | 第56-58页 |
| Chapter IV Request Structures in a Cognitive Perspective | 第58-70页 |
| ·Cognitive Analysis of Request Structures | 第58-63页 |
| ·Possible Factors Influencing the Choice of Structures | 第63-65页 |
| ·Distribution of Branches in Request Structures | 第65-70页 |
| ·Criteria for Classifying Branches | 第65-68页 |
| ·Distribution of Branches in Request Structures | 第68-70页 |
| Chapter V Request Strategies in a Cognitive Perspective | 第70-84页 |
| ·Semantic Description of Request in the Cognitive Framework | 第70-71页 |
| ·Cognitive Analysis of Request Strategies | 第71-78页 |
| ·Emphasis on the Force to Remove the Obstacle | 第72-77页 |
| ·Emphasis on Politeness | 第77-78页 |
| ·Request Strategies Employed in Branches and Their Distribution | 第78-81页 |
| ·Possible Factors Influencing the Functions of Branches | 第81-84页 |
| Conclusion | 第84-89页 |
| Bibliography | 第89-96页 |
| Appendix I | 第96-99页 |
| Appendix II | 第99-103页 |
| Acknowledgements | 第103-104页 |
| Publications | 第104-105页 |
| 学位论文评阅及答辩情况表 | 第105页 |
