| Abstract | 第1-6页 |
| 摘要 | 第6-9页 |
| Chapter One Introduction | 第9-12页 |
| ·Research Background and Research Questions | 第9页 |
| ·The Significance of the Study | 第9-10页 |
| ·The Organization of the Study | 第10-12页 |
| Chapter Two Literature Review and Theoretical Framework | 第12-21页 |
| ·Review on Research Article Abstracts | 第12-15页 |
| ·The Definition of Abstracts | 第12-13页 |
| ·The Categories of Abstracts | 第13-14页 |
| ·Previous Studies on Research Article Abstracts | 第14-15页 |
| ·Review on Lexico-grammatical Signals in Problem Element | 第15-17页 |
| ·Studies in China | 第15页 |
| ·Studies Abroad | 第15-17页 |
| ·Theoretical Framework | 第17-21页 |
| ·Problem-Solution Pattern and Move Structure | 第17-18页 |
| ·Winter’s Classification of Vocabularies | 第18-19页 |
| ·Collocation and Colligation | 第19-21页 |
| Chapter Three Methodology | 第21-27页 |
| ·The Corpus | 第21-22页 |
| ·Data Collection | 第22-23页 |
| ·Data Analysis | 第23-27页 |
| ·Tools Used in the Research | 第24页 |
| ·Division of the Clause and the Discourse Pattern | 第24-25页 |
| ·Finding Target Vocabularies and Their Collocation and Colligation in the Problem Move | 第25页 |
| ·Tense and Voice | 第25-27页 |
| Chapter Four Data Analysis and Discussion | 第27-56页 |
| ·Lexical Analysis | 第27-41页 |
| ·Analysis of the Signaling Vocabularies and the Classification | 第27-34页 |
| ·Analysis of the Collocation and Colligation of the Signaling Words | 第34-41页 |
| ·Grammatical Analysis | 第41-52页 |
| ·Analysis of the Tense | 第42-46页 |
| ·Analysis of the Voice | 第46-52页 |
| ·Discussion of Problem Move Initiation | 第52-56页 |
| Chapter Five Conclusion | 第56-62页 |
| ·Summary of the Major Findings | 第56-60页 |
| ·Implication of the Study | 第60-61页 |
| ·Limitations of the Study and the Future Research Directions | 第61-62页 |
| References | 第62-64页 |
| Acknowledgements | 第64页 |
