| CHINESE ABSTRACT | 第1-4页 |
| ENGLISH ABSTRACT | 第4-6页 |
| CONTENTS | 第6-8页 |
| Chapter Ⅰ Introduction | 第8-11页 |
| ·General Description | 第8-9页 |
| ·Methodology and Data Collection | 第9页 |
| ·Organization of the Thesis | 第9-11页 |
| Chapter Ⅱ Hedges | 第11-24页 |
| ·Definition of Hedge | 第11-12页 |
| ·Previous Studies of Hedges | 第12-17页 |
| ·The External Studies of Hedges | 第12-16页 |
| ·The Internal Studies of Hedges | 第16-17页 |
| ·Categorization of Hedges | 第17-24页 |
| ·Semantic Categorization | 第17-19页 |
| ·Grammatical Categorization | 第19-20页 |
| ·Pragmatic Categorization | 第20-24页 |
| Chapter Ⅲ Hedges in Journalistic English | 第24-29页 |
| ·Characteristics of News | 第24页 |
| ·Reasons for the Existence of Hedges in Journalistic English | 第24-29页 |
| ·Requirements of the Specialties of News | 第24-26页 |
| ·Avoiding Absoluteness | 第26页 |
| ·Protecting Reporters and the People Concerned | 第26-27页 |
| ·Conforming With Readers' Ways of Understanding | 第27-29页 |
| Chapter Ⅳ Pragmatic Analysis of Hedges in Journalistic English | 第29-43页 |
| 4. 1 Cooperative Principle and Hedges | 第29-34页 |
| ·Cooperative Principle | 第29-30页 |
| ·Study of Hedges Within the Framework of the Cooperative Principle | 第30-34页 |
| ·Face-threatening Act (FTA) Theory and Hedges | 第34-39页 |
| ·Face and FTA Theory | 第34-36页 |
| ·Study of Hedges Within the Framework of FTA Theory | 第36-39页 |
| ·Pragmatic Functions of Hedges in Journalistic English | 第39-43页 |
| ·Enhancing Efficiency of Expression | 第39-40页 |
| ·Being Reliable and Objective | 第40-41页 |
| ·Heightening Flexibility | 第41-42页 |
| ·Being Polite | 第42-43页 |
| Chapter Ⅴ Conclusion | 第43-45页 |
| ·Summary of the Present Study | 第43页 |
| ·Main Findings | 第43-44页 |
| ·Limitations of the Present Study and Suggestions for Further Research | 第44-45页 |
| BIBLIOGRAPHY | 第45-48页 |
| ACKNOWLEDGEMENTS | 第48-49页 |
| 攻读学位期间发表的学术论文目录 | 第49页 |
