| Abstract | 第1-6页 |
| 摘要 | 第6-7页 |
| Contents | 第7-9页 |
| Chapter One Introduction | 第9-13页 |
| ·Need for the Study | 第9-11页 |
| ·Research Goals and Hypotheses | 第11页 |
| ·Structure of the Thesis | 第11-13页 |
| Chapter Two Literature Review | 第13-38页 |
| ·Previous Studies of Discourse Markers | 第13-16页 |
| ·Semantic-pragmatic Study of Discourse Markers | 第14-16页 |
| ·Cognitive-pragmatic Study of Discourse Markers | 第16页 |
| ·Definitions of Discourse Markers | 第16-19页 |
| ·Earlier Definitions of Discourse Markers | 第17-19页 |
| ·Operative Definition of Discourse Markers | 第19页 |
| ·Classifications of Discourse Markers | 第19-22页 |
| ·Vande Kopple's Categorizations | 第20页 |
| ·Schiffrin's Categorization | 第20-21页 |
| ·Fraser's Categorization | 第21-22页 |
| ·Characteristics and Functions of Discourse Markers | 第22-26页 |
| ·Characteristics of Discourse Markers | 第22-24页 |
| ·Functions of Discourse Markers | 第24-26页 |
| ·Interlanguage | 第26-28页 |
| ·Theoretical Framework | 第28-38页 |
| ·Relevance Theory and Discourse Markers | 第29-31页 |
| ·Coherence Theory and Discourse Markers | 第31-38页 |
| Chapter Three Methodology | 第38-42页 |
| ·Corpus-based Study | 第38-39页 |
| ·Methods for Corpus-based Study | 第38-39页 |
| ·Introduction to the Corpora Used in This Research | 第39页 |
| ·Classifications of DMs concerned in this Research | 第39-40页 |
| ·Data Collection | 第40-42页 |
| Chapter Four Results and Discussion | 第42-49页 |
| ·Main Results of the Study | 第42-46页 |
| ·The Relationship between Frequency of Discourse Markers and Learners' Quality of Writing | 第42-43页 |
| ·The Relationship between Accuracy and Diversification of Discourse Markers and Learners' Quality of Writing | 第43-46页 |
| ·Implications for Teaching and Learning | 第46-49页 |
| ·Implications for Teaching | 第46-47页 |
| ·Implications for Learning | 第47-49页 |
| Chapter Five Conclusion | 第49-51页 |
| ·Major Findings | 第49页 |
| ·Significance | 第49-50页 |
| ·Limitations | 第50页 |
| ·Prospect for Further Study | 第50-51页 |
| References | 第51-55页 |
| Acknowledgements | 第55页 |
