| Abstract | 第8-10页 |
| 摘要 | 第11-13页 |
| List of Abbreviations | 第13-16页 |
| Chapter One Introduction | 第16-22页 |
| 1.1 Research Background of the Study | 第16-18页 |
| 1.2 Aims of the Study | 第18-19页 |
| 1.3 Significance of the Study | 第19-20页 |
| 1.4 The Layout of the Thesis | 第20-22页 |
| Chapter Two Literature Review | 第22-29页 |
| 2.1 The History of Discourse Analysis | 第22-23页 |
| 2.2 The Historical Development of Multimodal Discourse Analysis | 第23-26页 |
| 2.2.1 Researches on Multimodal Discourse Analysis Abroad | 第23-24页 |
| 2.2.2 Researches on Multimodal Discourse Analysis at Home | 第24-26页 |
| 2.3 Previous Studies on Open Online Courses | 第26-29页 |
| Chapter Three Theoretical Framework | 第29-36页 |
| 3.1 The Relationship between Systemic Functional Grammar and Multimodal DiscourseAnalysis | 第29-30页 |
| 3.2 The Visual Grammar of Kress and Van Leeuwen | 第30-32页 |
| 3.3 The Theoretical Framework of Dynamic Multimodal Discourse Analysis | 第32-36页 |
| Chapter Four Research Methodology | 第36-42页 |
| 4.1 Research Questions | 第36页 |
| 4.2 Data Collection | 第36-37页 |
| 4.2.1 Source of Data | 第36页 |
| 4.2.2 Characteristics of the Two Courses | 第36-37页 |
| 4.3 Research Methodology | 第37-42页 |
| 4.3.1 Methods of Analysis | 第37-41页 |
| 4.3.2 Research Procedure | 第41-42页 |
| Chapter Five A Comparative Analysis of the Open Online English Writing Courses | 第42-65页 |
| 5.1 Transcription of Discourse of English Writing Courses | 第42-44页 |
| 5.2 Communicative Mode Patterns of English Writing Courses | 第44-46页 |
| 5.3 Analysis of Distributions of Events in Two English Writing Courses | 第46-54页 |
| 5.3.1 Contrast of Distributions of Events in Six Sub-categories of Two Courses | 第46-50页 |
| 5.3.2 Contrast of Distributions of Events in Three Categories of Two Courses | 第50-52页 |
| 5.3.3 Average Distribution of Events in Communicative Mode Patterns in Two English WritingCourses | 第52-54页 |
| 5.4 The Synergies of Modes in English Writing Courses | 第54-60页 |
| 5.4.1 Relations of Different Modes in Dynamic Multimodal Discourse | 第54页 |
| 5.4.2 The Synergies of Different Modes in English Writing Courses | 第54-60页 |
| 5.5 Results and Discussion | 第60-65页 |
| Chapter Six Conclusion | 第65-70页 |
| 6.1 Major Findings of the Present Study | 第65-68页 |
| 6.2 Limitations of the Research | 第68-69页 |
| 6.3 Suggestions for Future Research | 第69-70页 |
| References | 第70-74页 |
| Appendix | 第74-81页 |
| Acknowledgements | 第81页 |
