| English Abstracti | 第1-5页 |
| Chinese Abstractiii | 第5-8页 |
| Chapter One Introduction | 第8-14页 |
| Chapter Two Theory of Register and Three Metafunctions of Language | 第14-29页 |
| ·Three Register Variables | 第14-21页 |
| ·Definition of Register | 第15-17页 |
| ·Field | 第17-18页 |
| ·Mode | 第18-19页 |
| ·Tenor | 第19-21页 |
| ·Three Metafunctions of Language | 第21-26页 |
| ·Experiential Metafunction | 第22-24页 |
| ·Interpersonal Metafunction | 第24-25页 |
| ·Textual Metafunction | 第25-26页 |
| ·The Relationship between Register Variables and the Metafunctions | 第26-29页 |
| Chapter Three Contrastive Study of Register Variables and LanguageMetafunctions in Terms of Two Medical Case Reports | 第29-62页 |
| ·Mode and Textual Metafunction | 第29-40页 |
| ·Spoken vs. Written Features | 第29-33页 |
| ·Typical Theme Choices | 第33-37页 |
| ·Nominalizations | 第37-40页 |
| ·Field and Experiential Metafunction | 第40-51页 |
| ·Vocabulary | 第41-42页 |
| ·Roles of the Doctor and the Patient | 第42-44页 |
| ·Types of Process and Participants | 第44-51页 |
| ·Tenor and Interpersonal Relationship | 第51-62页 |
| ·Relationship between the Doctor and the Patient | 第51-56页 |
| ·Relationship between the Reader and the Writer | 第56-57页 |
| ·Mood | 第57-59页 |
| ·Modality | 第59-62页 |
| Chapter Four Conclusion | 第62-64页 |
| References | 第64-68页 |
| Appendices | 第68-77页 |
| 1 Excerpts from Sacks | 第68-73页 |
| 2 Excerpts from Pesenti | 第73-77页 |
| Acknowledgments | 第77页 |
