| Acknowledgements | 第5-6页 |
| 摘要 | 第6-8页 |
| Abstract | 第8-9页 |
| Chapter One INTRODUCTION | 第14-18页 |
| 1.1 Importance of Abstracts | 第14-15页 |
| 1.2 Need for the Study | 第15-17页 |
| 1.3 Organization of the Thesis | 第17-18页 |
| Chapter Two LITERATURE REVIEW | 第18-32页 |
| 2.1 Key Concepts | 第18-22页 |
| 2.1.1 Abstract | 第18-21页 |
| 2.1.2 Genre Analysis | 第21-22页 |
| 2.2 Theoretical Framework | 第22-25页 |
| 2.3 Previous Studies | 第25-31页 |
| 2.3.1 Studies on the Rhetorical Structure of RA Abstracts | 第25-30页 |
| 2.3.2 Studies on Linguistic Features for Realizing Moves | 第30-31页 |
| 2.4 Research Gaps | 第31-32页 |
| Chapter Three METHODOLOGY | 第32-40页 |
| 3.1 Research Questions | 第32页 |
| 3.2 Data Collection | 第32-33页 |
| 3.3 Data Analysis | 第33-40页 |
| 3.3.1 The approach to the identification of moves | 第33-34页 |
| 3.3.2 The framework for analyzing rhetorical structure | 第34-36页 |
| 3.3.3 The approach to the investigation of linguistic features | 第36-37页 |
| 3.3.4 The coding of the linguistic features | 第37-39页 |
| 3.3.5 Procedures for data analysis | 第39-40页 |
| Chapter Four RESULTS & DISCUSSION | 第40-79页 |
| 4.1 Difference and Similarity in Rhetorical Structure of Abstracts | 第40-63页 |
| 4.1.1 Difference and similarity in the frequency of moves and steps | 第40-48页 |
| 4.1.2 Difference and similarity in the pattern of moves and steps | 第48-63页 |
| 4.2 Difference and Similarity in Linguistic Features of Each Rhetorical Move | 第63-79页 |
| 4.2.1 Linguistic realizations of the Background move | 第63-66页 |
| 4.2.2 Linguistic realizations of the Theme move | 第66-70页 |
| 4.2.3 Linguistic realizations of the Argument move | 第70-74页 |
| 4.2.4 Lingui stic realizations of the Thesis move | 第74-79页 |
| Chapter Five CONCLUSION | 第79-86页 |
| 5.1 Major Findings | 第79-83页 |
| 5.1.1 Findings on rhetorical structure | 第79-82页 |
| 5.1.2 Findings on linguistic realizations | 第82-83页 |
| 5.2 Implications of the Study | 第83-84页 |
| 5.3 Limitations of the Study and Recommendations for Further Study | 第84-86页 |
| References | 第86-91页 |
