| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-17页 |
| Chapter One INTRODUCTION | 第17-21页 |
| 1.1 Background of the Research | 第17-19页 |
| 1.2 Purpose and Significance of the Research | 第19页 |
| 1.3 Organization of the Thesis | 第19-21页 |
| Chapter Two LITERATURE REVIEW | 第21-31页 |
| 2.1 Previous Studies on Multimodality Abroad | 第21-25页 |
| 2.2 Previous Studies on Multimodality at Home | 第25-27页 |
| 2.3 Previous Studies on Promo Videos at Home and Abroad | 第27-31页 |
| Chapter Three THEORETICAL FRAMEWORK | 第31-39页 |
| 3.1 The Three Metafunctions | 第32-34页 |
| 3.1.1 The Ideational Function | 第32-33页 |
| 3.1.2 The Interpersonal Function | 第33页 |
| 3.1.3 The Textual Function | 第33-34页 |
| 3.2 The Three Meanings | 第34-39页 |
| 3.2.1 The Representational Meaning | 第34-35页 |
| 3.2.2 The Interactive Meaning | 第35-36页 |
| 3.2.3 The Compositional Meaning | 第36-39页 |
| Chapter Four A CASE STUDY ON PROMO VIDEOS OF BEIJING 2022 WINTER OLYMPIC GAMES | 第39-83页 |
| 4.1 Research Design | 第39-42页 |
| 4.1.1 Research Questions | 第39-40页 |
| 4.1.2 Research Methods | 第40-42页 |
| 4.2 Results and Discussions | 第42-83页 |
| 4.2.1 Analysis of the Three Meanings | 第42-73页 |
| 4.2.2 Analysis of the Three Metafunctions | 第73-77页 |
| 4.2.3 Analysis of the Meaning Co-construction through Verbal Mode andVisual Mode | 第77-83页 |
| Chapter Five CONCLUSION | 第83-87页 |
| 5.1 Major Findings of the Study | 第83-85页 |
| 5.2 Limitations of the Study | 第85-86页 |
| 5.3 Suggestions for Future Study | 第86-87页 |
| REFERENCES | 第87-93页 |
| APPENDIX | 第93页 |
