| List of the Author's Published Articles | 第1-4页 |
| Acknowledgements | 第4-5页 |
| Abstract in English | 第5-6页 |
| Abstract in Chinese | 第6-7页 |
| List of Figures and Tables | 第7-10页 |
| Chapter 1 Introduction | 第10-15页 |
| ·The Objectives ofthis Research | 第10-11页 |
| ·The Significance of this Research | 第11-12页 |
| ·Data Collection and Methodology | 第12-13页 |
| ·The Structure of this Paper | 第13-15页 |
| Chapter 2 Literature Review | 第15-25页 |
| ·The Forgoing Studies Relevant to this Research | 第15-19页 |
| ·Cao Fengfu's Study on Topic's Function in Text | 第15-16页 |
| ·Xiu Liejiong's Study on Topic's Function in Tex | 第16-17页 |
| ·The Relevant Studies by Systemic Functional Grammarians | 第17-18页 |
| ·Comment on the Previous Studies | 第18-19页 |
| ·Theoretic Prerequisites | 第19-25页 |
| ·The Relevant Theory in Systemic Functional Grammar | 第19-22页 |
| ·The Relevant Theory in Text Linguistics | 第22-25页 |
| Chapter 3 "Typical" Theme's Contribution to Textual Coherence | 第25-63页 |
| ·Introduction | 第25-26页 |
| ·Experiential Theme's Contribution to Textual Coherence | 第26-36页 |
| ·Experiential Theme | 第26-28页 |
| ·Experiential Theme's Repetition and Textual Coherence | 第28-30页 |
| ·Experiential Theme's Substitution and Textual Coherence | 第30-32页 |
| ·Experiential Theme's Ellipsis and Textual Coherence | 第32-34页 |
| ·Experiential Theme's Hyponymy and Textual Coherence | 第34-36页 |
| ·Interpersonal Theme's Contribution to Textual Coherence | 第36-50页 |
| ·Interpersonal Theme | 第36-37页 |
| ·Finite Element and Textual Coherence | 第37-43页 |
| ·Temporal Finite Element and Textual Coherence | 第39-41页 |
| ·Modal Finite Element and Textual Coherence | 第41-43页 |
| ·Modal Element and Textual Coherence | 第43-47页 |
| ·Vocative and Textual Coherence | 第47-50页 |
| ·Textual Theme's Contribution to Textual Coherence | 第50-61页 |
| ·Textual Theme | 第50-51页 |
| ·Conjunctive Element and Textual Coherence | 第51-56页 |
| ·Structural Element and Textual Coherence | 第56-59页 |
| ·Continuative Element and Textual Coherence | 第59-61页 |
| ·Summary | 第61-63页 |
| Chapter 4 Clausal Theme's Contribution to Textual Coherence | 第63-74页 |
| ·Clausal Theme | 第63-64页 |
| ·Textual Coherence Achieved through the Unmarked Theme in Thematic Equative Clause | 第64-67页 |
| ·Textual Coherence Achieved through the Rank-Shifted Theme | 第67-69页 |
| ·Textual Coherence Achieved through the Marked Theme in Hypotactic Clause Complex | 第69-72页 |
| ·Summary | 第72-74页 |
| Chapter 5 Textual Coherence Achieved through the Theme in Special SentencePatterns | 第74-87页 |
| ·Special Sentence Patterns | 第74页 |
| ·Textual Coherence Achieved through the Unmarked Theme in there be Sentence | 第74-77页 |
| ·Textual Coherence Achieved through the Theme in Cleft-Sentence | 第77-80页 |
| ·Textual Coherence Achieved through the Unmarked Theme of "It" as a Pro-form | 第80-82页 |
| ·Sophisticated Multiple Themes' Contribution to Textual Coherence | 第82-84页 |
| ·Textual Coherence Achieved through the Theme in "not only…but also" Paratactic Clausal Complex | 第84-86页 |
| ·Summary | 第86-87页 |
| Chapter 6 Conclusion | 第87-91页 |
| ·Summary | 第87-89页 |
| ·Findings and Application of this Research | 第89-90页 |
| ·Limitations of this Research and Suggestions for Further Study | 第90-91页 |
| Appendix | 第91-94页 |
| Bibliography | 第94-97页 |
