| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-7页 |
| 摘要 | 第8-13页 |
| ABBREVIATIONS | 第13-14页 |
| Chapter One INTRODUCTION | 第14-19页 |
| 1.1 Research Background | 第14-15页 |
| 1.2 Significance of the Research | 第15-16页 |
| 1.3 Data and Methodology | 第16-17页 |
| 1.4 Organization of the Thesis | 第17-19页 |
| Chapter Two LITERATURE REVIEW | 第19-28页 |
| 2.1 Previous Studies on Pro-environmental Public Service Advertisements | 第19-22页 |
| 2.1.1 Studies on different approaches to public service advertisements | 第19-21页 |
| 2.1.2 Studies on pro-environmental public service advertisements | 第21-22页 |
| 2.2 Previous Studies on Interpersonal Meaning | 第22-28页 |
| 2.2.1 Studies on different approaches to interpersonal meaning | 第23-24页 |
| 2.2.2 Studies on interpersonal meaning from systemic functional approach | 第24-28页 |
| Chapter Three THEORETICAL FRAMEWORK | 第28-39页 |
| 3.1 Overview of Systemic Functional Linguistics | 第28-31页 |
| 3.2 Mood System | 第31-34页 |
| 3.2.1 Speech roles and speech functions | 第32-33页 |
| 3.2.2 Metaphors of Mood | 第33-34页 |
| 3.3 Modality System | 第34-38页 |
| 3.3.1 Types of modality | 第35-36页 |
| 3.3.2 Modal Adjuncts | 第36-38页 |
| 3.4 Person System | 第38-39页 |
| Chapter Four CONTRASTIVE ANALYSIS AND DISCUSSION | 第39-78页 |
| 4.1 Contrastive Analysis of Mood System | 第39-52页 |
| 4.1.1 Speech roles | 第41-43页 |
| 4.1.2 Mood structures | 第43-52页 |
| 4.2 Contrastive Analysis of Modality System | 第52-66页 |
| 4.2.1 Modal operators/volitive verbs | 第52-60页 |
| 4.2.2 Modal Adjuncts | 第60-66页 |
| 4.3 Person System | 第66-78页 |
| 4.3.1 The first person pronouns | 第67-71页 |
| 4.3.2 The second person pronouns | 第71-73页 |
| 4.3.3 The third person pronouns | 第73-78页 |
| Chapter Five CONCLUSION | 第78-82页 |
| 5.1 Major Findings | 第78-80页 |
| 5.2 Implications | 第80-81页 |
| 5.3 Limitations and Suggestions for Further Studies | 第81-82页 |
| REFERENCES | 第82-86页 |
| Appendix Ⅰ ENGLISH SAMPLES | 第86-94页 |
| Appendix Ⅱ CHINESE SAMPLES | 第94-103页 |
