| ACKNOWLEDGEMENTS | 第5-6页 |
| ABSTRACT | 第6-8页 |
| 摘要 | 第9-13页 |
| CHAPTER ONE INTRODUCTION | 第13-18页 |
| 1.1 Research Background | 第13-14页 |
| 1.2 Rationale and Research Questions | 第14-15页 |
| 1.3 Data Collection and Research Method | 第15-16页 |
| 1.4 Organization of the Thesis | 第16-18页 |
| CHAPTER TWO LITERATURE REVIEW | 第18-30页 |
| 2.1 Previous Studies on CPR | 第18-24页 |
| 2.2 Previous Studies on Corporate Statements in Crisis Public Relations | 第24-28页 |
| 2.3 Summary | 第28-30页 |
| CHAPTER THREE THEORETICAL FRAMEWORK | 第30-45页 |
| 3.1 Introduction of Hedges | 第30-38页 |
| 3.1.1 Definition of Hedges | 第30-33页 |
| 3.1.2 Classification of Hedges | 第33-38页 |
| 3.2 Interpersonal Meaning in Systemic-Functional Grammar | 第38-43页 |
| 3.2.1 Realization of Interpersonal Meanings in Halliday’s Model | 第39-40页 |
| 3.2.2 Realization of Interpersonal Meanings in Appraisal Theory | 第40-43页 |
| 3.3 Theoretical Framework of the Present Study | 第43-45页 |
| iCHAPTER FOUR RESEARCH PROCEDURE AND DATAANALYSIS | 第45-52页 |
| 4.1 Data Collection | 第45-46页 |
| 4.2 Method of Data Analysis | 第46-48页 |
| 4.3 Features of Hedges Used in Corporate Statements in CPR | 第48-52页 |
| CHAPTER FIVE INTERPERSONAL MEANINGS REALIZED BY HEDGES IN CORPORATE STATEMENTS IN CPR | 第52-71页 |
| 5.1 The Use of Hedges as Graduation Resources | 第54-60页 |
| 5.1.1The Use of Adaptors | 第55-58页 |
| 5.1.2 The Use of Rounders | 第58-60页 |
| 5.2 The Use of Plausibility Shields as Modality Resources | 第60-68页 |
| 5.3 The Use of Attribution Shields as Engagement Resources | 第68-71页 |
| CHAPTER SIX CONCLUSION | 第71-76页 |
| 6.1 Major Findings | 第71-74页 |
| 6.2 Implications | 第74页 |
| 6.3 Limitations and Suggestions for Future Studies | 第74-76页 |
| REFERENCES | 第76-79页 |
| APPENDIX | 第79-82页 |
