| Abstract | 第3-4页 |
| 摘要 | 第5-7页 |
| List of Tables | 第7-8页 |
| List of Figures | 第8-12页 |
| Chapter One Introduction | 第12-22页 |
| 1.1 Background of the present study | 第12-18页 |
| 1.1.1 Academic discourse | 第12页 |
| 1.1.2 Approaches to academic discourse | 第12-15页 |
| 1.1.3 Structure of discussin section in research paper | 第15-16页 |
| 1.1.4 Medical Research Paper | 第16-18页 |
| 1.2 Aims of the present study | 第18-20页 |
| 1.3 Methodology of the present study | 第20页 |
| 1.4 Organization of the thesis | 第20-22页 |
| Chapter Two Literature Review | 第22-50页 |
| 2.1 Introduction | 第22页 |
| 2.2 Some Related Notions in the present study | 第22-39页 |
| 2.2.1 Evaluation | 第22-23页 |
| 2.2.2 Modality | 第23-25页 |
| 2.2.3 Evidentiality | 第25-28页 |
| 2.2.4 Hedging | 第28-29页 |
| 2.2.5 Stance | 第29-30页 |
| 2.2.6 Appraisal | 第30-39页 |
| 2.3 Previous Studies on discussion section in research paper from the perspective of pragmatics | 第39-43页 |
| 2.4 Previous Studies on discussion section in medical research paper | 第43-45页 |
| 2.4.1 Studies abroad | 第43-45页 |
| 2.4.2 Studies in China | 第45页 |
| 2.5 Applications of Appraisal Theory | 第45-48页 |
| 2.5.1 Appraisal Theory in media discourse | 第45-47页 |
| 2.5.2 Appraisal Theory in learning activity | 第47页 |
| 2.5.3 Appraisal Theory in other fields | 第47-48页 |
| 2.6 Summary | 第48-50页 |
| Chapter Three Theoretical Framework | 第50-68页 |
| 3.1 Introduction | 第50页 |
| 3.2 Theoretical Foundations | 第50-64页 |
| 3.2.1 Bakhtin‘s dialogism and intertextuality | 第50-52页 |
| 3.2.2 Interpersonal Function | 第52-54页 |
| 3.2.3 Appraisal and Heteroglossic diversity | 第54-61页 |
| 3.2.4 The Notion of Voice as Constitutive Element of Textual Interaction | 第61-63页 |
| 3.2.5 Hood‘s classification of voice in academic discourse | 第63-64页 |
| 3.3 The Proposed Analytical Framework | 第64-67页 |
| 3.4 Summary | 第67-68页 |
| Chapter Four Voicing Values realized in Discussion Section | 第68-108页 |
| 4.1 Introduction | 第68页 |
| 4.2 Some basic considerations about the present study | 第68-78页 |
| 4.2.1 Academic community | 第68-70页 |
| 4.2.2 Persuasion: the nature of academic discourse | 第70-71页 |
| 4.2.3 Averral and attribution | 第71-73页 |
| 4.2.4 The source of voice | 第73-76页 |
| 4.2.5 Reporting verbs | 第76-78页 |
| 4.3 Ways of engaging with other voices | 第78-94页 |
| 4.3.1 Dialogic expansion | 第78-88页 |
| 4.3.2 Dialogic contraction | 第88-94页 |
| 4.4 Practical Analysis | 第94-102页 |
| 4.4.1 Data analysis | 第94-96页 |
| 4.4.2 The distribution of different voices in discussion section | 第96-102页 |
| 4.5 Interpersonal meaning conveyed by voicing values in discussion section | 第102-106页 |
| 4.5.1 Ways of aligning and opposing voices and values | 第102-104页 |
| 4.5.2 Mapping processes of alignment and opposition in discussion section | 第104-106页 |
| 4.6 Summary | 第106-108页 |
| Chapter Five Conclusion | 第108-112页 |
| 5.1 Major findings of the present study | 第108-110页 |
| 5.2 Implications of the present study | 第110页 |
| 5.3 Limitation of the present study | 第110页 |
| 5.4 Suggestions for the future study | 第110-112页 |
| Bibliography | 第112-119页 |
| Appendix | 第119-124页 |
| Acknowledgements | 第124-125页 |
| Publications | 第125页 |
