| 中文摘要 | 第1-6页 |
| Abstract | 第6-14页 |
| Abbreviations | 第14-15页 |
| Chapter 1 Introduction | 第15-22页 |
| ·Background of the Present Study | 第15-18页 |
| ·Significance of the Present Study | 第18-19页 |
| ·Synonyms under Investigation | 第19-20页 |
| ·Research Questions in the Study | 第20-21页 |
| ·General Organization of the Thesis | 第21-22页 |
| Chapter 2 Literature Review | 第22-30页 |
| ·Related Terms in the Study | 第22-26页 |
| ·English Synonyms | 第22-23页 |
| ·Definitions of English Synonyms | 第22页 |
| ·Classification of English Synonyms | 第22页 |
| ·Reasons for Rich English Synonyms | 第22-23页 |
| ·Collocation,Colligation,Semantic Prosody | 第23-26页 |
| ·Collocation | 第23-24页 |
| ·Colligation | 第24-25页 |
| ·Semantic Prosody | 第25-26页 |
| ·Previous Studies | 第26-30页 |
| Chapter 3 Research Methodology | 第30-33页 |
| ·Corpora in Use:BNC,BROWN and CLEC | 第30-31页 |
| ·Instruments in Use | 第31-32页 |
| ·Research Procedure | 第32-33页 |
| Chapter 4 Data Analysis and Discussion | 第33-60页 |
| ·Results and Analyses of Frequency Distribution of Request, Demand, Require | 第33-38页 |
| ·Results and Analyses of Frequency Distribution of Request, Demand, Require across Registers in BNC | 第33-36页 |
| ·Results and Analyses of Frequency Distribution of Request, Demand, Require in BROWN and CLEC | 第36-37页 |
| ·Summary | 第37-38页 |
| ·Results and Analyses of Colligation of Request, Demand, Require | 第38-47页 |
| ·Colligation of Request, Demand, Require in BROWN | 第38-43页 |
| ·Colligation of Request, Demand, Require in CLEC | 第43-45页 |
| ·The Contrastive Study of Colligation of Request, Demand, Require in BROWN and CLEC | 第45-46页 |
| ·Summary | 第46-47页 |
| ·Results and Analyses of Collocation of Request, Demand, Require | 第47-55页 |
| ·Collocates of Request, Demand, Require in BNC | 第47-51页 |
| ·Summary | 第51-52页 |
| ·Collocates of Request, Demand, Require in CLEC | 第52-54页 |
| ·The Contrastive Study of Collocates of Request, Demand, Require in BNC and CLEC | 第54-55页 |
| ·Results and Analyses of Semantic Prosody of Request, Demand, Require | 第55-60页 |
| ·Semantic Prosody of Request, Demand, Require in BNC | 第55-58页 |
| ·Semantic Prosody of Request, Demand, Require in CLEC | 第58页 |
| ·The Contrastive Study of Semantic Prosody of Request, Demand, Require in BNC and CLEC | 第58-60页 |
| Chapter 5 Conclusion | 第60-67页 |
| ·Major Findings of the Research | 第60-63页 |
| ·Pedagogical Implications | 第63-65页 |
| ·Limitations of the Research | 第65-67页 |
| Bibliography | 第67-71页 |
| Acknowledgements | 第71-72页 |
