| 摘要 | 第1-5页 |
| Abstract | 第5-11页 |
| 1 Introduction | 第11-15页 |
| ·Research Background | 第11页 |
| ·Objective of the Study | 第11-12页 |
| ·The Theoretical Framework：Relevance Theory | 第12-14页 |
| ·Organization of the Thesis | 第14-15页 |
| 2 Literature Review | 第15-21页 |
| ·Definition of Metadiscourse | 第15页 |
| ·Diversified Taxonomies of Metadiscourse | 第15-17页 |
| ·Studies on Metadiscourse in ESL Teaching | 第17-20页 |
| ·Metadiscourse in written academic discourse | 第18-19页 |
| ·Metadiscourse in spoken academic discourse | 第19-20页 |
| ·Summary | 第20-21页 |
| 3 Research Methodology | 第21-24页 |
| ·Corpora | 第21-22页 |
| ·Data Collection Procedure | 第22-23页 |
| ·Summary | 第23-24页 |
| 4 Results | 第24-41页 |
| ·Characteristics of Student Presentations | 第24-25页 |
| ·Distribution of Metadiscourse in the American and Chinese University Student Presentations | 第25-40页 |
| ·Distribution of interactive metadiscourse in the American and Chinese university student presentations | 第26-31页 |
| ·Distribution of interactive metadiscourse in specific parts of the American and Chinese university student presentations | 第31-33页 |
| ·Distribution of interactional metadiscourse in the American and Chinese university student presentations | 第33-37页 |
| ·Distribution of interactional metadiscourse in specific parts of the American and Chinese university student presentations | 第37-40页 |
| ·Summary | 第40-41页 |
| 5 Discussion | 第41-57页 |
| ·Relevance Theory and Metadiscourse | 第41-44页 |
| ·A Relevance Approach to Metadiscourse in the American and Chinese University Student Presentations | 第44-55页 |
| ·Procedural meanings and metadiscourse in the American and Chinese university student presentations | 第45-51页 |
| ·Conceptual meanings and metadiscourse in the American and Chinese university student presentations | 第51-55页 |
| ·Summary | 第55-57页 |
| 6 Conclusion | 第57-61页 |
| ·Summary of Major Findings | 第57-60页 |
| ·Pedagogical Implications and Suggestions for Future Research | 第60-61页 |
| References | 第61-64页 |
| Appendices | 第64-74页 |
| Appendix A. The MICASE Orthographic Transcription and Spelling Conventions | 第64-70页 |
| Appendix B. Description of the American University Student Presentations | 第70-71页 |
| Appendix C. Description of the Chinese University Student Presentations | 第71-72页 |
| Appendix D. The Classification of Metadiscourse in the American University Student Presentations | 第72-73页 |
| Appendix E. The Classification of Metadiscourse in the Chinese University Student Presentations | 第73-74页 |
| Academic Achievements | 第74-75页 |
| Acknowledgements | 第75页 |
