| Abstract | 第4-5页 |
| 摘要 | 第6-9页 |
| Chapter One Introduction | 第9-13页 |
| 1.1 Background | 第9-11页 |
| 1.2 Significance | 第11-12页 |
| 1.3 Organization | 第12-13页 |
| Chapter Two Literature Review | 第13-30页 |
| 2.1 Definitions of hedges and hedging | 第13-14页 |
| 2.2 Classifications of hedges | 第14-17页 |
| 2.3 Studies of hedging in second language acquisition | 第17-30页 |
| 2.3.1 Studies of hedging abroad | 第17-18页 |
| 2.3.2 Studies of hedging domestically | 第18-30页 |
| Chapter Three Research Design | 第30-34页 |
| 3.1. Corpus and data | 第30-31页 |
| 3.2 Data collection and data analysis | 第31-32页 |
| 3.3 Data grouping | 第32-34页 |
| Chapter Four Results and Discussion | 第34-49页 |
| 4.1 Hedges used and distributed in the TEM compositions | 第34-41页 |
| 4.2 Relationship between the uses of hedges and English proficiencies of Chinese English-major students | 第41-46页 |
| 4.3 The possible reasons for the significant correlation between the use of hedges in TEM compositions and English proficiency of Chinese English-major students | 第46-49页 |
| Chapter Five Conclusion | 第49-53页 |
| 5.1 Major findings of the study | 第49-50页 |
| 5.2 Implications of the study | 第50-51页 |
| 5.3 Suggestions for future study | 第51-53页 |
| References | 第53-57页 |
| Appendix Topics of writings in TEM-8 and TEM-4 from 2004 to 2006 | 第57-58页 |
| Acknowledgements | 第58页 |
