| Acknowledgements | 第1-6页 |
| Abstract in English | 第6-9页 |
| Abstract in Chinese | 第9-16页 |
| Chapter One Introduction | 第16-28页 |
| ·The General Purpose of the Study | 第16-24页 |
| ·Methodology | 第24-25页 |
| ·Organization of the Dissertation | 第25-28页 |
| Chapter Two Literature Review | 第28-80页 |
| ·Introduction | 第28页 |
| ·Metadiscourse: Definitions and Functions | 第28-37页 |
| ·Definitions Revisited | 第29-34页 |
| ·Functions Revisited and to Be Focused on | 第34-37页 |
| ·Previous Theoretical Studies on Metadiscourse | 第37-51页 |
| ·Communicative Approach | 第38-39页 |
| ·Sociolinguistic Approach | 第39-40页 |
| ·Psycholinguistic Approach | 第40-41页 |
| ·Cognitive Approach | 第41-42页 |
| ·Rhetorical Approach | 第42-43页 |
| ·Functional-Pragmatic Approach | 第43-47页 |
| ·Evaluation | 第47-51页 |
| ·Classifications of Metadiscourse Revisited | 第51-65页 |
| ·Meyer’s Classification | 第51-52页 |
| ·Lautamatti’s Classification | 第52-53页 |
| ·Williams’ Classification | 第53-54页 |
| ·Crismore’s Classification | 第54-55页 |
| ·Vande Kopple’s Classification (1985) | 第55-56页 |
| ·Crismore, Markkanen & Steffensen’s Classification | 第56-57页 |
| ·Vande Kopple’s Classification (2002) | 第57-61页 |
| ·Hyland’s Classifications | 第61-65页 |
| ·Previous Empirical Studies on Metadiscourse in Academic Written Communication | 第65-75页 |
| ·Studies Concerning Discipline-Specific Conventions | 第66-69页 |
| ·Studies Concerning Culture Differences and Similarities | 第69-71页 |
| ·Studies Concerning Novice Writers and Experienced Ones | 第71-73页 |
| ·Other Relevant Studies | 第73-75页 |
| ·Research Gap | 第75页 |
| ·Summary | 第75-80页 |
| Chapter Three Toward a Multi-Dimensional Approach to Metadiscourse in Academic Written Communication | 第80-153页 |
| ·Introduction | 第80-81页 |
| ·Heritages from Relevant Theories | 第81-113页 |
| ·Halliday’s Metafunctions of Language — Metadiscourse and Interpersonal Meanings | 第81-92页 |
| ·Metafunctions of Language and Halliday’s Interpersonal Meaning System | 第82-89页 |
| ·Metadiscourse’s Interpersonal Function Re-examined | 第89-92页 |
| ·Classical Rhetoric’s Audience — Metadiscourse and Writer’s Credibility | 第92-97页 |
| ·A Critique of Aristotelian-Ciceronian Concept of Ethos | 第92-94页 |
| ·Insights into Writer’s Credibility (1) | 第94-97页 |
| ·Social Constructionist Audience — Metadiscourse, Knowledge Construction and Writer’s Identity | 第97-107页 |
| ·Knowledge Construction | 第98-101页 |
| ·Audience as Discourse Community | 第101-104页 |
| ·Insights into Writer’s Credibility (2) | 第104-107页 |
| ·Face in Social Interaction — Metadiscourse and Writer-Reader Relationship | 第107-113页 |
| ·Brown and Levinson’s Politeness Model | 第108-111页 |
| ·Insights into Disciplinary Interactions | 第111-113页 |
| ·Important Concepts of the Multi-Dimensional Approach | 第113-150页 |
| ·Research Article as a Genre | 第114-123页 |
| ·General Features of Genre | 第115-116页 |
| ·Persuasion as Motivation | 第116-117页 |
| ·Persuasion through Manifest Intertextuality | 第117-119页 |
| ·Discursive Practices Embodied in RAs and Their Metadiscoursal Realizations | 第119-121页 |
| ·Dynamism of Genre Conventions | 第121-123页 |
| ·Metadiscourse in Written Academic Communication | 第123-150页 |
| ·Metadiscourse as Interpersonal Resources | 第123-130页 |
| ·Metadiscourse as a Reflection of Disciplinary Logos, Ethos and Pathos | 第130-145页 |
| A. Metadiscourse and Disciplinary Logos | 第131-134页 |
| B. Metadiscourse and Disciplinary Ethos | 第134-141页 |
| C. Metadiscourse and Disciplinary Pathos | 第141-145页 |
| ·Metadiscourse as a Medium of Disciplinary Interaction | 第145-150页 |
| ·Summary | 第150-153页 |
| Chapter Four Metadisourse across Cultures | 第153-169页 |
| ·Overall Results | 第153-157页 |
| ·Participating in the Dialogue and Engaging the Audience | 第157-160页 |
| ·Respect and Responsibility | 第160-164页 |
| ·Summary | 第164-169页 |
| Chapter Five Conclusion | 第169-180页 |
| ·A Summary of the Dissertation | 第169-172页 |
| ·Pedagogical Implications | 第172-177页 |
| ·Limitations of the Research | 第177-178页 |
| ·Suggestions for Further Research | 第178-180页 |
| Bibliography | 第180-195页 |
| Appendix A | 第195-199页 |
| Appendix B | 第199-200页 |
| Appendix C | 第200-202页 |
