| Descriptive Chinese Abstract | 第1-7页 |
| English Abstract | 第7-11页 |
| Introduction | 第11-14页 |
| ·Preliminaries | 第11-12页 |
| ·Research Methods | 第12页 |
| ·Purpose of the Study | 第12-13页 |
| ·Organization of the Thesis | 第13-14页 |
| CHAPTER 1 Theoretical Grounding | 第14-28页 |
| ·Pragmatic Presupposition | 第14-15页 |
| ·Characteristics of Pragmatic Presupposition | 第15-16页 |
| ·Pragmatic Presupposition as Mutual Knowledge | 第15-16页 |
| ·Pragmatic Presupposition as Felicity Conditions | 第16页 |
| ·Approaches to Pragmatic Presupposition | 第16-19页 |
| ·Karttunen and Peters’Theory | 第17页 |
| ·Potential and Actual Presuppositions | 第17-18页 |
| ·Re-allocation Pragramme | 第18-19页 |
| ·Cohesion Theory | 第19-25页 |
| ·Cohesion | 第20-21页 |
| ·Register Consistency | 第21-23页 |
| ·Cohesion and Coherence | 第23-25页 |
| ·Generic Structure Potential Theory (GSP) | 第25-26页 |
| ·Summary | 第26-28页 |
| CHAPTER 2 Pragmatic Presupposition and Discourse Coherence | 第28-40页 |
| ·Functions of Pragmatic Presupposition in Realizing Texture | 第28-36页 |
| ·Pragmatic Presupposition in Discourse | 第28-30页 |
| ·Functions of Pragmatic Presupposition in Realizing Cohesion | 第30-33页 |
| ·Functions of Pragmatic Presupposition in Realizing Register Consistency | 第33-36页 |
| ·Functions of Pragmatic Presupposition in Realizing Structure Unity | 第36-40页 |
| ·Functions of Pragmatic Presupposition in Realizing Local Coherence | 第36-37页 |
| ·Functions of Pragmatic Presupposition in Realizing Global Coherence | 第37-40页 |
| CHAPTER 3 Empirical Evidences of the Role of Pragmatic Presupposition in Texture and Structure Unity | 第40-59页 |
| ·Texture Analysis | 第40-48页 |
| ·Functions of Pragmatic Presupposition in Realizing Cohesion | 第40-47页 |
| ·Functions of Pragmatic Presupposition in Realizing Register Consistency | 第47-48页 |
| ·Structure Unity Analysis | 第48-59页 |
| ·Functions of Pragmatic Presupposition in Realizing Local Coherence | 第49-52页 |
| ·Functions of Pragmatic Presupposition in Realizing Global Coherence | 第52-59页 |
| Conclusion | 第59-61页 |
| References | 第61-64页 |
| Acknowledgements | 第64-65页 |
| Appendix A: Publications During the Program | 第65-66页 |
| Appendix B: Chinese Examples in the Thesis | 第66-68页 |
| Appendix C: Informative Chinese Abstract | 第68-70页 |