| 内容提要 | 第1-5页 |
| Synopsis | 第5-9页 |
| Chapter One Introduction | 第9-14页 |
| ·Research Background | 第9-11页 |
| ·Objectives of This Study | 第11-13页 |
| ·Organization of This Paper | 第13-14页 |
| Chapter Two Literature Review | 第14-32页 |
| ·Studies of DMs Abroad | 第14-21页 |
| ·Terminology and Definitions of DMs | 第15-17页 |
| ·Classification of DMs | 第17-21页 |
| ·Studies of DMs at Home | 第21-25页 |
| ·Theoretical Approaches to DMs | 第25-32页 |
| ·Coherence-based Approach | 第26页 |
| ·Grammatical-Pragmatic Approach | 第26-28页 |
| ·Relevance-based Approach | 第28-32页 |
| Chapter Three Theoretical Framework | 第32-35页 |
| ·Ostensive-inferential Communication | 第32-33页 |
| ·Context and Contextual Effects | 第33-35页 |
| Chapter Four Research Methodology | 第35-39页 |
| ·Research Questions | 第35页 |
| ·Participants and Instruments | 第35-36页 |
| ·Data Collection and Analysis | 第36-39页 |
| Chapter Five Results and Discussion | 第39-61页 |
| ·General Description of Teachers’Use of DMs | 第39-42页 |
| ·The Frequency of DMs in Teacher Talk | 第39-40页 |
| ·The Classification of DMs in Teacher Talk | 第40-42页 |
| ·Specific Analysis of DMs in Teacher Talk | 第42-51页 |
| ·DMs Strengthening Existing Assumption | 第42-44页 |
| ·DMs Introducing the Contextual Implications | 第44-49页 |
| ·DMs Contradicting Existing Assumptions | 第49-51页 |
| ·The Inappropriate Use of DMs | 第51-57页 |
| ·Overuse of DMs | 第51-53页 |
| ·Misuse of DMs | 第53-55页 |
| ·The Absence of DMs | 第55页 |
| ·Lack of Diversity of DMs in Teacher talk | 第55-57页 |
| ·Analysis of the Factors Influencing Teachers’Use of DMs | 第57-59页 |
| ·The Awareness of Teacher’s Use of DMs | 第57页 |
| ·Personal Factors Affecting the Use of DMs | 第57-59页 |
| ·The Influence on Students | 第59-61页 |
| Chapter Six Conclusion | 第61-65页 |
| ·Major findings | 第61-62页 |
| ·Implications | 第62-64页 |
| ·Limitations | 第64-65页 |
| Bibliography | 第65-71页 |
| Appendix | 第71-73页 |
| Acknowledgements | 第73-74页 |
| 中文摘要 | 第74-78页 |
| Abstract | 第78-83页 |
