| Abstract in English | 第4页 |
| Abstract in Chinese | 第5-8页 |
| Chapter One Introduction | 第8-14页 |
| 1.1 Background of the Study | 第8-10页 |
| 1.2 Objectives and Significance of the Study | 第10-12页 |
| 1.3 Organization of the Thesis | 第12-14页 |
| Chapter Two Literature Review | 第14-24页 |
| 2.1 Studies on Hedges | 第14-23页 |
| 2.1.1 Concepts and Definitions of Hedges | 第14-16页 |
| 2.1.2 Taxonomies of Hedges | 第16-20页 |
| 2.1.3 Functions of Hedges | 第20-21页 |
| 2.1.4 Overseas and Domestic Studies on Hedges in English Academic Articles | 第21-23页 |
| 2.2 Studies from the Perspective of Metapragmatic Awareness | 第23-24页 |
| Chapter Three Theoretical Perspective and Research Methodology | 第24-33页 |
| 3.1 Theoretical Perspective | 第24-28页 |
| 3.1.1 Metapragmatics | 第24-25页 |
| 3.1.2 The Perspective of Metapragmatic Awareness | 第25-26页 |
| 3.1.3 Metapragmatic Markers | 第26-27页 |
| 3.1.4 Interpersonal Meaning | 第27页 |
| 3.1.5 Relation among Hedges, Metapragmatic Awareness and Interpersonal Meaning | 第27-28页 |
| 3.2 Research Methodology | 第28-33页 |
| 3.2.1 Research Questions | 第28-29页 |
| 3.2.2 Research Instruments | 第29页 |
| 3.2.3 Data collection | 第29-31页 |
| 3.2.4 Research Methods and Procedures | 第31-33页 |
| Chapter Four Results and Discussions | 第33-58页 |
| 4.1 Differences in English Hedges as Metapragmatic Markers between the Two Types of Articles | 第33-44页 |
| 4.1.1 Differences in Frequency | 第33-35页 |
| 4.1.2 Differences in Types | 第35-41页 |
| 4.1.3 Differences in Distribution | 第41-44页 |
| 4.2 Differences in Metapragmatic Awareness Reflected by the Distinctive Use of Hedges as Metapragmatic Markers | 第44-49页 |
| 4.2.1 Cultural Conventions | 第44-46页 |
| 4.2.2 Pragmalinguistic Competence | 第46-48页 |
| 4.2.3 Genre Conventions | 第48-49页 |
| 4.3 Differences in Interpersonal Meaning between the Two Types of Articles . | 第49-58页 |
| 4.3.1 Showing Linguistic Politeness | 第50-52页 |
| 4.3.2 Protecting Writers’ Faces | 第52-54页 |
| 4.3.3 Sustaining Multiglossia | 第54-58页 |
| Chapter Five Conclusion | 第58-62页 |
| 5.1 General Findings | 第58-59页 |
| 5.2 Implications of the Study | 第59-60页 |
| 5.3 Limitations of the Study | 第60-61页 |
| 5.4 Suggestions for Further Study | 第61-62页 |
| References | 第62-68页 |
| Appendix | 第68-71页 |
| Acknowledgements | 第71页 |
