| Abstract | 第1-6页 |
| 摘要 | 第6-9页 |
| List of Abbreviations | 第9-10页 |
| Chapter One Introduction | 第10-13页 |
| ·Background of the Present Study | 第10-11页 |
| ·Objectives of the Study | 第11-12页 |
| ·Significance of the Study | 第12页 |
| ·Organization of This Paper | 第12-13页 |
| Chapter Two Literature Review | 第13-21页 |
| ·Clause Relations | 第13-17页 |
| ·Definition of Clause Relation | 第13-14页 |
| ·Categories of Clause Relation | 第14页 |
| ·Means of Recognizing Clause Relations | 第14-17页 |
| ·Problem-Solution Pattern | 第17-18页 |
| ·The Relationship between Problem-Solution Pattern and Clause Relations | 第18-19页 |
| ·Study on Research Article Abstracts | 第19-21页 |
| ·Definition of Abstracts | 第19-20页 |
| ·Categories of Abstracts | 第20-21页 |
| Chapter Three Methodology | 第21-25页 |
| ·The Corpus | 第21页 |
| ·Data Collection | 第21-22页 |
| ·The Method of Analysis | 第22页 |
| ·Procedures | 第22-25页 |
| Chapter Four Data Analysis and Results | 第25-47页 |
| ·Analysis of Instrument-Achievement Relation by Vocabulary Categories | 第25-30页 |
| ·Analysis of Linguistic Features | 第30-40页 |
| ·Analysis of Tense | 第30-34页 |
| ·Analysis of Voice | 第34-35页 |
| ·Analysis of Modal Verb | 第35-36页 |
| ·Collocation and Colligation | 第36-39页 |
| ·Categories of the Signaling Words | 第39-40页 |
| ·The Relationship between Problem-Solution Pattern andInstrument-Achievement Relations | 第40-46页 |
| ·Distinctive Features of Instrument-Achievement in RA Abstracts | 第46-47页 |
| Chapter Five Discussion and Implications | 第47-51页 |
| ·To Better Understand and Compose RA Abstract | 第47-49页 |
| ·To Raise Awareness | 第47-48页 |
| ·To Compose a Good Abstract | 第48-49页 |
| ·To Teach How to Write RA Abstracts | 第49-51页 |
| Chapter Six Conclusion | 第51-53页 |
| ·Main Findings of the Study | 第51-52页 |
| ·Limitations of the Study | 第52-53页 |
| References | 第53-56页 |
| Appendix | 第56-58页 |
| Acknowledgements | 第58页 |
