| Acknowledgement | 第4-5页 |
| Academic Achievements | 第5-6页 |
| 摘要 | 第6-7页 |
| Abstract | 第7-8页 |
| List of Abbreviations | 第13-14页 |
| Chapter One Introduction | 第14-18页 |
| 1.1 Research background | 第14-16页 |
| 1.2 Research Questions | 第16页 |
| 1.3 Significance of the present study | 第16-17页 |
| 1.4 Thesis organization | 第17-18页 |
| Chapter Two Literature Review | 第18-31页 |
| 2.1 Review of rhetorical structures in RA Introductions and Conclusion | 第18-24页 |
| 2.1.1Studies on rhetorical structures in RA Introductions | 第18-21页 |
| 2.1.2 Studies on rhetorical structures in RA Conclusions | 第21-24页 |
| 2.2 Review of metadiscourse | 第24-30页 |
| 2.2.1 Definitions and classifications of metadiscourse | 第24-27页 |
| 2.2.2 Relevant studies on metadiscourse used in academic discourse | 第27-30页 |
| 2.3 Summary | 第30-31页 |
| Chapter Three Framework and Research Design | 第31-42页 |
| 3.1 Theoretical framework | 第31-38页 |
| 3.1.1 Swales’ CARS model | 第31-34页 |
| 3.1.2 Hyland's model of metadiscourse | 第34-38页 |
| 3.2 Data collection and the description of the corpus | 第38-40页 |
| 3.3 Analytical Procedure | 第40-41页 |
| 3.4 Summary | 第41-42页 |
| Chapter Four Results and Discussion | 第42-82页 |
| 4.1 Genre analysis of interaction between Introductions and Conclusions in CCN | 第42-46页 |
| 4.1.1 Overall distribution of move structures in CCN | 第42-44页 |
| 4.1.2 Interactional structures in CCN | 第44-46页 |
| 4.2 Genre analysis of interaction between introductions and conclusions in CEN | 第46-51页 |
| 4.2.1 Overall distribution of move structures in CEN | 第46-48页 |
| 4.2.2 Interactional structures in CEN | 第48-51页 |
| 4.3 Metadiscourse analysis of interactional structures in CEN and CCN | 第51-75页 |
| 4.3.1 Metadiscourse analysis of interactional structures in CCN | 第52-64页 |
| 4.3.2 Metadiscourse analysis of interactional structures in CEN | 第64-75页 |
| 4.4 Similarities and Differences of metadiscourse use in CCN and CEN | 第75-81页 |
| 4.4.1 Similarities of metadiscourse use in international structures in CCN and CEN | 第76-79页 |
| 4.4.2 Differences of metadiscourse use in international structures in CCN and CEN | 第79-81页 |
| 4.5 Summary | 第81-82页 |
| Chapter Five Conclusion | 第82-86页 |
| 5.1 Major findings of the study | 第82-83页 |
| 5.2 Implications of the present study | 第83-84页 |
| 5.3 Limitations | 第84-86页 |
| References | 第86-91页 |
| Appendices | 第91-95页 |
