| 摘要 | 第1-6页 |
| Abstract | 第6-12页 |
| Introduction | 第12-19页 |
| Chapter 1 Literature Review | 第19-39页 |
| ·Definition of Hedging and Hedges | 第19-23页 |
| ·Taxonomy of Hedges | 第23-30页 |
| ·Functions of Hedging | 第30-36页 |
| ·Textual Function | 第31-32页 |
| ·Interpersonal Function | 第32-34页 |
| ·Hedging as a Negative Politeness Strategy | 第34-35页 |
| ·Hedging as a Positive Politeness Strategy | 第35-36页 |
| ·Previous Contrastive Researches on Hedging and Hedges in English and Chinese RAs | 第36-37页 |
| ·Remaining Issues | 第37-39页 |
| Chapter 2 Methodology | 第39-48页 |
| ·The Pilot Study and the Classifications of Hedges in English and Chinese RAs | 第39-41页 |
| ·Data Collection | 第41-44页 |
| ·Data Analysis | 第44-48页 |
| Chapter 3 Results | 第48-59页 |
| ·Frequency Features of Hedges in English and Chinese RAs | 第48-52页 |
| ·Distribution Features of Hedges in English and Chinese RAs | 第52-56页 |
| ·Similarities of Frequency and Distribution Features of Hedges in English and Chinese RAs | 第56-57页 |
| ·Differences of Frequency and Distribution Features of Hedges in English and Chinese RAs | 第57-59页 |
| Chapter 4 Discussion | 第59-77页 |
| ·Discussion of the Similarities of Frequency and Distribution Features of Hedges in English and Chinese RAs | 第59-63页 |
| ·Discussion of the Differences of Frequency and Distribution Features of Hedges in English and Chinese RAs | 第63-70页 |
| ·Pedagogic Implications | 第70-74页 |
| ·Limitations and Recommendations for Future Work | 第74-77页 |
| Conclusion | 第77-80页 |
| Bibliography | 第80-88页 |
| Appendices | 第88-118页 |
| Appendix Ⅰ the Website of the Data | 第88-89页 |
| Appendix Ⅱ the Sources of Samples | 第89-97页 |
| Appendix Ⅲ All Tables in the Thesis | 第97-112页 |
| Appendix Ⅳ Figures in the Thesis | 第112-113页 |
| Appendix Ⅴ Original Data | 第113-118页 |
| Acknowledgements | 第118-120页 |
| 攻读硕士学位期间主要研究成果目录 | 第120页 |
