| 摘要 | 第1-10页 |
| Abstract | 第10-13页 |
| Introduction | 第13-20页 |
| ·Motivation of the Study | 第13-14页 |
| ·The Objectives of Present Study | 第14-15页 |
| ·Questions to Be Addressed | 第15-16页 |
| ·Methodology of Research | 第16-17页 |
| ·Difficult Points and Creative Work of the Paper | 第17-18页 |
| ·Difficult Points of This Paper | 第17页 |
| ·Creative Work of the Paper | 第17-18页 |
| ·Organization of the Paper | 第18-20页 |
| Chapter 1 Literature Review | 第20-40页 |
| ·Definitions of Hedging | 第20-23页 |
| ·The Relationship between Hedging and Hedges | 第23页 |
| ·Classification of Hedges | 第23-28页 |
| ·Prince et al's Taxonomy of Hedges | 第24页 |
| ·Salager-Meyer’s Taxonomy of Hedges | 第24-25页 |
| ·Hyland’s Taxonomy of Hedges | 第25-26页 |
| ·Varttala’s Taxonomy of Hedges | 第26-27页 |
| ·Working Taxonomy for Hedging in Present Study | 第27-28页 |
| ·Functions of Hedging in English Abstract | 第28-31页 |
| ·Previous Studies of Hedging Abroad | 第31-35页 |
| ·Theoretical Researches | 第31-33页 |
| ·Empirical Researches | 第33-35页 |
| ·Study of Hedging in China | 第35-38页 |
| ·Theoretical Researches | 第35-37页 |
| ·Empirical Researches | 第37-38页 |
| ·Issues from Previous Researches | 第38-40页 |
| Chapter 2 Research Design | 第40-46页 |
| ·Criteria for Selecting the Data | 第40-41页 |
| ·Data Resources | 第41-43页 |
| ·English Native Speaker Corpus | 第41-42页 |
| ·Chinese Native Speaker Corpus | 第42-43页 |
| ·Research Procedure | 第43-45页 |
| ·Methods of Analysis | 第45-46页 |
| Chapter 3 A Comparative Study of Hedging between CNS and ENS | 第46-79页 |
| ·Overall Incidence of Categories of Hedges in the Corpora | 第46-49页 |
| ·Specific Categories of Hedges in the Study | 第49-77页 |
| ·Modal Auxiliaries | 第49-58页 |
| ·Full Verbs | 第58-62页 |
| ·Adverbs | 第62-67页 |
| ·Adjectives | 第67-72页 |
| ·Nouns | 第72-77页 |
| ·Results of Comparative Research | 第77-79页 |
| Chapter 4 Discussion and Implications | 第79-90页 |
| ·Similarities of the Use of Hedging in Both Corpora | 第79-80页 |
| ·Differences of the Use of Hedging in Both Corpora | 第80-82页 |
| ·Possible Explanations for the Differences | 第82-86页 |
| ·Implications for Teaching and Research | 第86-90页 |
| ·Pedagogical Implications | 第86-88页 |
| ·Implications for the Research | 第88-90页 |
| Conclusion | 第90-94页 |
| Bibliography | 第94-101页 |
| Acknowledgements | 第101-102页 |
| Appendix (攻读学位期间发表论文目录) | 第102页 |
