| Synopsis | 第1-7页 |
| Introduction | 第7-11页 |
| Chapter One Literature Review and Theoretical Framework | 第11-31页 |
| ·Review of Interpersonal Meaning | 第11-20页 |
| ·Different Understandings of Interpersonal Meaning | 第11-13页 |
| ·Studies of Interpersonal Meaning in Different Fields | 第13-16页 |
| ·Four Approaches in the Study of Interpersonal Meaning | 第13-15页 |
| ·Systemic-Functional Approach | 第15-16页 |
| ·Reasons for Adopting the Systemic-Functional Approach | 第16页 |
| ·Specific Studies of Interpersonal Meaning | 第16-20页 |
| ·The Study of Interpersonal Meaning Abroad | 第16-18页 |
| ·The Study of Interpersonal Meaning at Home | 第18-20页 |
| ·Introduction to Modality | 第20-28页 |
| ·The Definition of Modality | 第20-21页 |
| ·The Types of Modality | 第21-23页 |
| ·The Orientation of Modality | 第23-24页 |
| ·The Value of Modality | 第24-26页 |
| ·Linguistic Realization of Modality | 第26-28页 |
| ·Features of the Impromptu Speeches in Competition | 第28-30页 |
| ·Research Questions | 第30-31页 |
| Chapter Two Methodology | 第31-33页 |
| ·Data Collection | 第31-32页 |
| ·Approaches to the Data Analysis | 第32-33页 |
| Chapter Three Data Analysis and Discussion | 第33-54页 |
| ·The Frequency of Each Expression in the Speech | 第33-46页 |
| ·The Frequency of Finite Modal Operator | 第36-40页 |
| ·The Frequency of Modal Adjunct | 第40-44页 |
| ·The Frequency of Interpersonal Metaphor | 第44-46页 |
| ·The Frequency of Value | 第46-48页 |
| ·The Frequency of Orientation | 第48-49页 |
| ·The Frequency of the Four Types of Modality | 第49-52页 |
| ·Findings in the Present Study | 第52-54页 |
| Conclusion | 第54-56页 |
| Bibliography | 第56-60页 |
| Appendix | 第60-69页 |
| Acknowledgements | 第69-70页 |
| 导师及作者简介 | 第70-71页 |
| Abstract | 第71-76页 |
| 摘要 | 第76-79页 |
