| Acknowledgements | 第1-5页 |
| 摘要 | 第5-6页 |
| Abstract | 第6-11页 |
| Chapter 1 Introduction | 第11-16页 |
| ·Rationales for Research | 第11-13页 |
| ·Aims for Research | 第13-14页 |
| ·Methodology of Research | 第14-15页 |
| ·Organization of the Thesis | 第15-16页 |
| Chapter 2 Literature Review | 第16-30页 |
| ·The definition of Hedges | 第16-17页 |
| ·The Studies of Hedges Abroad | 第17-22页 |
| ·L.A. Zadeh’s view on Fuzzy Set and Hedges | 第17页 |
| ·Lakoff’s Study of Hedges | 第17-18页 |
| ·Prince’s Study of Hedges | 第18-21页 |
| ·Hubler’s Study of Hedges | 第21-22页 |
| ·The Studies of Hedges in China | 第22-25页 |
| ·Wu Tieping’s classification | 第23-24页 |
| ·Chen Linhua and Li Fuyin’s Classification | 第24-25页 |
| ·Review of Research on English Academic Book Review | 第25-27页 |
| ·Critical Evaluation of the Previous Research | 第27-30页 |
| Chapter 3 A Proposed Model of Hedges | 第30-40页 |
| ·Halliday’s Systemic-functional Grammar | 第30-32页 |
| ·Metafunctions of Language | 第30页 |
| ·Semiotic System of Language | 第30-32页 |
| ·A Proposed Taxonomy of Hedges | 第32-34页 |
| ·Research Design | 第34-40页 |
| ·Research Purpose and Hypothesis | 第34-35页 |
| ·Data Collection | 第35-36页 |
| ·Data Analysis | 第36-40页 |
| Chapter 4 Research Findings | 第40-43页 |
| ·Distribution of Hedges in English Academic Book Reviews | 第40-41页 |
| ·Reasons for the Different Distribution of Hedges in Different Parts of English Academic Book Reviews | 第41-43页 |
| Chapter 5 Functions of Hedges in English Academic Book Reviews | 第43-56页 |
| ·Textual Functions of Hedges | 第43-48页 |
| ·Avoiding aboslutization | 第43-44页 |
| ·Being objective | 第44-45页 |
| ·Raising Conciseness | 第45-46页 |
| ·Raising Cancellability | 第46-48页 |
| ·Interpersonal Functions of Hedges | 第48-51页 |
| ·Hedges as Politeness Strategies | 第48-50页 |
| ·Hedges as Strategies of Self-protection | 第50-51页 |
| ·Hedges as Strategies to Appeal to the Readers | 第51页 |
| ·Aesthetic Functions of Hedges | 第51-56页 |
| ·Precision Beauty of Hedges | 第52页 |
| ·Implicit Beauty of Hedges | 第52-54页 |
| ·Conciseness Beauty of Hedges | 第54-56页 |
| Chapter 6 Conclusion | 第56-58页 |
| ·Major Findings | 第56页 |
| ·Major Contributions | 第56-57页 |
| ·Limitations and Further Studies | 第57-58页 |
| Appendix: Sources of Samples | 第58-62页 |
| Bibliography | 第62-65页 |
