| Abstract | 第1-7页 |
| 摘要 | 第7-11页 |
| Chapter 1 Introduction | 第11-15页 |
| ·General Statement | 第11-12页 |
| ·The Aims of the Study | 第12-13页 |
| ·The Significance of the Study | 第13页 |
| ·The Organization of the Thesis | 第13-15页 |
| Chapter 2 Literature Review | 第15-25页 |
| ·Definitions of Hedge | 第15-16页 |
| ·Classification of Hedge | 第16-19页 |
| ·Semantic Classification | 第16-17页 |
| ·Grammatical Classification | 第17-18页 |
| ·Pragmatical Classification | 第18-19页 |
| ·Studies of Hedges Abroad | 第19-22页 |
| ·Studies from Philosophical Perspective | 第19-20页 |
| ·Studies from Semantic Perspective | 第20页 |
| ·Studies from Pragmatic Perspective | 第20-22页 |
| ·Studies of Hedges At Home | 第22-23页 |
| ·Studies from Semantic Perspective | 第22-23页 |
| ·Studies from Pragmatic Perspective | 第23页 |
| ·Studies of Diplomatic Language | 第23-25页 |
| Chapter 3 Theoretical Framework | 第25-29页 |
| ·Cooperative Principle | 第25-27页 |
| ·Face Theory and Politeness Principle | 第27-29页 |
| Chapter 4 Research Methodology | 第29-32页 |
| ·Research Questions | 第29页 |
| ·Instruments | 第29-30页 |
| ·Data Collection | 第30-31页 |
| ·Data Analysis | 第31-32页 |
| Chapter 5 Results and Discussion | 第32-52页 |
| ·Frequency of Hedges in Chinese and American Foreign Ministry Spokespersons' Speeches | 第32-34页 |
| ·Distribution of Hedges in Chinese and American Foreign Ministry Spokespersons' Speeches | 第34-42页 |
| ·Distribution of Adaptors | 第35-37页 |
| ·Distribution of Rounders | 第37-39页 |
| ·Distribution of Plausibility Shields | 第39-41页 |
| ·Distribution of Attribution Shields | 第41-42页 |
| ·The Similarities and Differences of Hedges Used in Chinese and American Foreign Ministry Spokespersons' Speeches | 第42-44页 |
| ·The Similarities of Hedges | 第42-43页 |
| ·The Differences of Hedges | 第43-44页 |
| ·The Possible Reasons of Similarities and Differences of Hedges Used in Chinese and American Foreign Ministry Spokespersons' Speeches | 第44-46页 |
| ·Functions of Hedges in Chinese and American Foreign Ministry Spokespersons' Speeches | 第46-49页 |
| ·Showing Politeness and Saving Face | 第46-47页 |
| ·Achieving Accuracy and Objectivity | 第47-48页 |
| ·For Self-Protection | 第48-49页 |
| ·Differences in the Use of Hedges and Communication Barriers | 第49-52页 |
| Chapter 6 Conclusion | 第52-56页 |
| ·Major Findings | 第52-53页 |
| ·Implications | 第53-54页 |
| ·Limitations | 第54-55页 |
| ·Suggestions for Further Studies | 第55-56页 |
| Bibliography | 第56-58页 |
| Acknowledgments | 第58页 |
