| Acknowledgements | 第1-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第6-7页 |
| Contents | 第7-9页 |
| List of Tables | 第9-10页 |
| List of Figures | 第10-11页 |
| Conventions and Abbreviations | 第11-12页 |
| Chapter 1 Introduction | 第12-14页 |
| ·Rationale for the Research | 第12页 |
| ·Research Objectives and Research Questions | 第12-13页 |
| ·Organization of the Thesis | 第13-14页 |
| Chapter 2 Literature Review | 第14-28页 |
| ·Genre Theories | 第14-22页 |
| ·Schools of Genre Theories: an Overview | 第14-16页 |
| ·Sydney School | 第16-22页 |
| ·Genre Theory of Halliday and Hasan | 第16-17页 |
| ·Genre Theory of Martin | 第17-22页 |
| ·Rationale for the Selection of Martin’s Genre Theory | 第22页 |
| ·Genre Analysis Practices | 第22-28页 |
| ·Different Methodological Orientations to Genre Analysis | 第23-24页 |
| ·Genre Analysis in Academic Contexts | 第24-26页 |
| ·ESP School in Academic Contexts: CARS Model | 第24页 |
| ·Sydney School in Academic Contexts | 第24-26页 |
| ·Genre Analysis of Discussion Section | 第26-28页 |
| ·Definition of Discussion Section | 第26-27页 |
| ·Literature on Discussion Section | 第27-28页 |
| Chapter 3 Methodology | 第28-31页 |
| ·Research Design: an Analysis according to Martin’s Proposal | 第28-29页 |
| ·Data Collection | 第29-31页 |
| Chapter 4 Macro-analysis of Schematic Structures of Discussion Section | 第31-51页 |
| ·Internal Consistency: Social Purposes of Discussion Section and Explanation Genre | 第31-33页 |
| ·Social Goals of Discussion Section | 第32-33页 |
| ·Explanation Genre with Similar Goals | 第33页 |
| ·Textual Patterns of Discussion Section | 第33-49页 |
| ·Discussion as an Explanation Genre | 第34-36页 |
| ·Discussion as Macro-genres: Varied Combination Patterns | 第36-48页 |
| ·Multiple Genres in Paratactic Relationship | 第37-42页 |
| ·Multiple Genres in Hypotactic Relationship: Ranking | 第42-44页 |
| ·Explanations inside Report Genre: Embedding | 第44-47页 |
| ·Mixed Pattern | 第47-48页 |
| ·Variations: Atypical Textual Patterns for Discussion | 第48-49页 |
| ·Context of Culture: Why Such Schematic Structures? | 第49-51页 |
| Chapter 5 Micro-analysis of Register Variables in Discussion Section | 第51-66页 |
| ·Field: Activity Sequences and Participant Taxonomies | 第52-57页 |
| ·Transitivity in Discussion Section | 第52-57页 |
| ·Activities and Participants in Phenomenon Stage | 第53-54页 |
| ·Activities and Participants in Explanation Stage | 第54-57页 |
| ·Summary of Field in Discussion Section | 第57页 |
| ·Tenor: Power and Solidarity | 第57-62页 |
| ·Modality and Projection in Discussion Section | 第58-61页 |
| ·Modality | 第58-60页 |
| ·Projection | 第60-61页 |
| ·Summary of Tenor in Discussion Section | 第61-62页 |
| ·Mode: Action/ Reflection and Monologue/ Dialogue | 第62-64页 |
| ·Degrees of Abstraction and Interactivity | 第62-64页 |
| ·Degrees of Abstraction: Ideational Metaphors | 第62-63页 |
| ·Degrees of Interactivity: Dialogism | 第63-64页 |
| ·Summary of Mode in Discussion Section | 第64页 |
| ·Context of Situation: Why Such Register Variables? | 第64-66页 |
| Chapter 6 Conclusion | 第66-70页 |
| ·Major Findings | 第66-68页 |
| ·Schematic Structures and Elemental Genres | 第66页 |
| ·Choices of Field, Tenor and Mode | 第66-67页 |
| ·Decisive Social Contexts | 第67-68页 |
| ·Implications | 第68-69页 |
| ·Limitations and Future Research | 第69-70页 |
| Bibliography | 第70-74页 |
| Appendix 1: Sources of Sampled Research Articles | 第74-76页 |
| Appendix 2: 30 Samples of Discussion Section | 第76-127页 |
| 攻读硕士学位期间已发表或录用的论文 | 第127-129页 |
