| Acknowledgements | 第1-6页 |
| Abbreviations | 第6-7页 |
| List of Figures | 第7-8页 |
| List of Tables | 第8-9页 |
| Abstract | 第9-11页 |
| 摘要 | 第11-16页 |
| Chapter One Introduction | 第16-22页 |
| ·Background of the Study | 第16-19页 |
| ·Objectives of the Study | 第19页 |
| ·Significance of the Study | 第19-20页 |
| ·Contributions | 第20-21页 |
| ·Layout of the Dissertation | 第21-22页 |
| Chapter Two Interaction as a Realization of Interpersonal Meaning | 第22-48页 |
| ·SFL’s Theory of Function of Language | 第22-30页 |
| ·Language as Social Semiotic | 第23-24页 |
| ·Metafunction of Language | 第24-25页 |
| ·Interpersonal Meaning of Language | 第25-30页 |
| ·Interaction in Written Discourse | 第30-48页 |
| ·An Overview of Interaction in Written Discourse | 第30-34页 |
| ·Information- oriented Approach to Interaction | 第34-38页 |
| ·Function-oriented Approach to Interaction | 第38-48页 |
| Chapter Three Academic Discourse as a Social Interaction | 第48-74页 |
| ·Concepts and Terminologies | 第48-55页 |
| ·Academic Discourse | 第48-50页 |
| ·Discourse Community | 第50-53页 |
| ·Academic Writing | 第53-55页 |
| ·Interaction in Academic Discourse | 第55-60页 |
| ·Rhetoric of Science and Subjectivity | 第56-57页 |
| ·Interaction and Social Construction of Knowledge | 第57-59页 |
| ·Interaction and Academic Persuasion | 第59-60页 |
| ·Metadiscourse as a Realization of Academic Interaction | 第60-74页 |
| ·The Concept of Metadiscourse | 第60-61页 |
| ·Metadiscourse Resources in RAs | 第61-64页 |
| ·Metadiscourse Strategies and Realization of Interaction in RAs | 第64-74页 |
| Chapter Four A Study of Interaction in RAs by Chinese Engineering Graduate Students | 第74-92页 |
| ·Research Design | 第74-75页 |
| ·Theoretical Foundations | 第75-76页 |
| ·Data Collections | 第76-78页 |
| ·Research Questions | 第78-79页 |
| ·Research Hypotheses | 第79-82页 |
| ·Research Variables | 第82-83页 |
| ·Methods of Analysis | 第83-92页 |
| ·Approaches | 第83-84页 |
| ·Analytical Framework | 第84-90页 |
| ·Analytical Procedure | 第90-92页 |
| Chapter Five Results and Discussions | 第92-162页 |
| ·General Results | 第92-93页 |
| ·Preferences and Distributions of Interactive Resources | 第93-99页 |
| ·Preferences and Distributions of Interactional Resources | 第99-133页 |
| ·Expressing Stance: Preferences and Distributions | 第100-116页 |
| ·Expressing Engagement: Preferences and Distributions | 第116-133页 |
| ·Discussions | 第133-144页 |
| ·Cultural Variations of Composition and Rhetoric Traditions | 第133-136页 |
| ·Different University Education | 第136-144页 |
| ·Responses to Research Questions | 第144-162页 |
| Chapter Six Conclusions and Pedagogical Implications | 第162-172页 |
| ·Conclusions | 第162-164页 |
| ·Pedagogical Implications | 第164-169页 |
| ·Suggestions for Future Research | 第169页 |
| ·Limitations | 第169-172页 |
| AppendixⅠ RAs by the SE | 第172-180页 |
| AppendixⅡ RAs by the CS | 第180-190页 |
| AppendixⅢ Sample Interview Questions | 第190-192页 |
| Bibliography | 第192-207页 |
