| Abstract | 第3-4页 |
| 摘要 | 第5-11页 |
| Chapter One Introduction | 第11-15页 |
| 1.1 Research Background | 第11-12页 |
| 1.2 Research Design | 第12页 |
| 1.3 Research Questions and Significance | 第12-13页 |
| 1.4 Layout of the Thesis | 第13-15页 |
| Chapter Two Literature Review | 第15-31页 |
| 2.1 Definitions and Classifications of Hedges | 第15-22页 |
| 2.1.1 Definitions of Hedges | 第15-17页 |
| 2.1.2 Classifications of Hedges | 第17-21页 |
| 2.1.3 Working Definition and Classification in the Study | 第21-22页 |
| 2.2 Previous Studies on Hedges | 第22-27页 |
| 2.2.1 Studies on Hedges Abroad | 第22-24页 |
| 2.2.2 Studies on Hedges at Home | 第24-27页 |
| 2.3 Previous Studies on Hosts in Interview Programs | 第27-28页 |
| 2.4 Research Gaps in Previous Studies | 第28-29页 |
| 2.5 Summary | 第29-31页 |
| Chapter Three Theoretical Framework | 第31-39页 |
| 3.1 Making Choices | 第31-32页 |
| 3.2 Three Key Properties | 第32-34页 |
| 3.3 Four Angles of Investigation | 第34-37页 |
| 3.3.1 Contextual Correlates of Adaptability | 第34-36页 |
| 3.3.2 Structural Objects of Adaptability | 第36-37页 |
| 3.3.3 Dynamics of Adaptability | 第37页 |
| 3.3.4 Salience of Adaptation Processes | 第37页 |
| 3.4 Study of Hedges Based on the Adaptation to the Contextual Correlates | 第37页 |
| 3.5 Summary | 第37-39页 |
| Chapter Four Contextual Factors that Hedges Used by Hosts in InterviewPrograms Should Adapt To | 第39-45页 |
| 4.1 Hedges Used by Hosts Adapting to the Mental World | 第39-41页 |
| 4.1.1 Adapting to Emotions | 第40页 |
| 4.1.2 Adapting to Intentions | 第40-41页 |
| 4.1.3 Adapting to Wishes | 第41页 |
| 4.2 Hedges Used by Hosts Adapting to the Social World | 第41-42页 |
| 4.2.1 Adapting to Social Identity | 第41-42页 |
| 4.2.2 Adapting to Degree of Intimateness | 第42页 |
| 4.3 Hedges Used by Hosts Adapting to the Physical World | 第42-43页 |
| 4.4 Summary | 第43-45页 |
| Chapter Five Functions of Hedges Used by Hosts | 第45-75页 |
| 5.1 Uni-functions of Hedges Used by Hosts in Interview Programs | 第45-64页 |
| 5.1.1 Uni-functions Displayed by Adaptors | 第46-56页 |
| 5.1.2 Uni-functions added by Other Kinds of Hedges | 第56-64页 |
| 5.2 Multi-functions of Hedges Used by Hosts in Interview Programs | 第64-73页 |
| 5.2.1 Multiple Hedges Performing the Same Function | 第64-66页 |
| 5.2.2 The Same Hedge Performing Multiple Functions | 第66-73页 |
| 5.3 Summary | 第73-75页 |
| Chapter Six Conclusion | 第75-79页 |
| 6.1 Major Findings of the Research | 第75-76页 |
| 6.2 Limitations of the Research | 第76页 |
| 6.3 Suggestions for Future Studies | 第76-79页 |
| References | 第79-83页 |
| Acknowledgements | 第83-85页 |
| Appendix A Glossing Abbreviations | 第85-87页 |
| Appendix B Video Transcriptions | 第87-107页 |
| Curriculum Vitae | 第107页 |