| 摘要 | 第3-4页 |
| Abstract | 第4-5页 |
| Abbreviations | 第11-12页 |
| Chapter 1 Introduction | 第12-16页 |
| 1.1 Background of the Research | 第12-13页 |
| 1.2 Purpose and Significance of the Research | 第13-14页 |
| 1.2.1 Purpose of the Research | 第13页 |
| 1.2.2 Significance of the Research | 第13-14页 |
| 1.3 Overall Structure of the Thesis | 第14-16页 |
| Chapter 2 Literature Review | 第16-29页 |
| 2.1 Definitions of Hedge and Hedging | 第16-18页 |
| 2.1.1 Hedge | 第16-17页 |
| 2.1.2 Hedging | 第17-18页 |
| 2.2 Functions of Hedge in Academic Paper Writing | 第18页 |
| 2.3 Classifications of Hedges | 第18-22页 |
| 2.4 Theoretical Background of the Research | 第22-23页 |
| 2.5 Brief Reviews of Researches on Hedges in Academic Writing at Home and Abroad | 第23-27页 |
| 2.5.1 Relevant Researches on Hedges in Academic Writing Abroad | 第23-25页 |
| 2.5.2 Relevant Researches on Hedges in Academic Writing at Home | 第25-27页 |
| 2.6 Framework of the Research | 第27-29页 |
| Chapter 3 Research Design | 第29-35页 |
| 3.1 General Description of Research | 第29-30页 |
| 3.1.1Research Questions | 第29页 |
| 3.1.2 Research Subjects | 第29-30页 |
| 3.1.3 Research Instruments | 第30页 |
| 3.2 Procedures of Research | 第30-35页 |
| 3.2.1 Data Collection | 第30-34页 |
| 3.2.2 Data Analysis | 第34-35页 |
| Chapter 4 Data Analysis and Discussion | 第35-53页 |
| 4.1 Overall Frequencies and Distributions of Hedges in GNU Corpus, PP Corpus and IEIJ Corpus | 第35-40页 |
| 4.1.1 Overall Incidence and Distribution of Hedge in Each Corpus | 第35-37页 |
| 4.1.2 Overall Distribution and Normalization Frequency of Different Types of Hedge in GNU Corpus, PP Corpus and IEIJ Corpus | 第37-40页 |
| 4.2 Frequencies and Distributions of Subcategories of Hedge in GNU corpus, PP Corpus and IEIJ Corpus | 第40-46页 |
| 4.3 Hedge’s Using Features of Postgraduates in English Subject Teaching | 第46-51页 |
| 4.4 Discussion | 第51-53页 |
| Chapter 5 Findings and Implications | 第53-61页 |
| 5.1 Major Findings of the Research | 第53-56页 |
| 5.2 Research Implications | 第56-61页 |
| 5.2.1 For the Teachers | 第56-59页 |
| 5.2.2 For the Students | 第59页 |
| 5.2.3 For the Curriculum Designers | 第59-61页 |
| Chapter 6 Conclusion | 第61-64页 |
| 6.1 Conclusion of the Research | 第61-62页 |
| 6.2 Research Limitations | 第62页 |
| 6.3 Suggestions for Further Research | 第62-64页 |
| Appendices | 第64-70页 |
| Appendix 1 | 第64-65页 |
| Appendix 2 | 第65-66页 |
| Appendix 3 | 第66-67页 |
| Appendix 4 | 第67-68页 |
| Appendix 5 | 第68-69页 |
| Appendix 6 | 第69-70页 |
| Bibliography | 第70-74页 |
| Publication during the Postgraduate Program | 第74-75页 |
| Acknowledgements | 第75-76页 |
