| Acknowledgments | 第1-6页 |
| Abstract in Chinese | 第6-8页 |
| Abstract in English | 第8-11页 |
| Chapter 1 Introduction | 第11-17页 |
| ·Historical Background | 第11-14页 |
| ·Purpose and Significance of the Study | 第14-16页 |
| ·Structure of the Thesis | 第16-17页 |
| Chapter 2 Literature Review and Theoretical Bases | 第17-28页 |
| ·Definitions of Lexical Chunk | 第17-18页 |
| ·Categories of Lexical Chunk | 第18-20页 |
| ·Nattinger & DeCarrico’s Categories of Lexical Chunks | 第18-19页 |
| ·Michael Lewis’s Categories of Lexical Chunks | 第19页 |
| ·Becker’s Categories of Lexical Chunks | 第19-20页 |
| ·The Functions of Lexical Chunks | 第20-21页 |
| ·Lexical Chunks in Listening Comprehension | 第21-25页 |
| ·The Definition of Listening Comprehension | 第21页 |
| ·The Nature of Listening Comprehension | 第21-22页 |
| ·The Psychological Process of Listening Comprehension | 第22-23页 |
| ·The Factors Contributing to Listening Comprehension | 第23-24页 |
| ·The Characteristics of Lexical Chunks in Listening | 第24-25页 |
| ·Formulacity | 第24页 |
| ·Redundancy | 第24-25页 |
| ·Pervasiveness | 第25页 |
| ·Lexical Chunks Facilitating Listening Comprehension | 第25-28页 |
| ·Lexical Chunk Saving the Processing | 第25-26页 |
| ·Lexical Chunk as Discourse Device Facilitating Listening Comprehension | 第26-28页 |
| ·Lexical Chunk as Macro-organizers Facilitating Top-down Processing | 第26-27页 |
| ·Lexical Chunk as Micro-organizer Facilitating Bottom-up Processing | 第27-28页 |
| Chapter 3 Research Design and Methodology | 第28-33页 |
| ·Participants | 第28-29页 |
| ·Instrument | 第29-30页 |
| ·Test | 第29-30页 |
| ·Interview | 第30页 |
| ·Experiment Procedures | 第30-31页 |
| ·Data Collection | 第31-33页 |
| Chapter 4 Result Analysis and Main Findings | 第33-42页 |
| ·Result Analysis of the Lecture Test | 第33-38页 |
| ·The Role of Lexical Chunks in Listening Comprehension | 第33-35页 |
| ·Lexical Chunks and the Students with Different Listening Score Levels | 第35-38页 |
| ·Result Analysis of the Interview | 第38-40页 |
| ·The Main Findings of the Research | 第40-42页 |
| Chapter 5 Pedagogical Suggestions | 第42-47页 |
| ·Raising Learners’Awareness of Lexical Chunks | 第42-43页 |
| ·Choosing Authentic Teaching Materials | 第43-44页 |
| ·Teaching Lexical Chunks in Listening Class | 第44-45页 |
| ·Design Lexical Chunks-based Exercises | 第45页 |
| ·Promoting the Autonomous Learning of Lexical Chunks | 第45-47页 |
| Chapter 6 Conclusions | 第47-49页 |
| ·Summary of the Present Study | 第47-48页 |
| ·Limitations and Recommendations | 第48-49页 |
| Bibliography | 第49-54页 |
| Appendices | 第54-61页 |
| Appendix A | 第54-56页 |
| Appendix B | 第56页 |
| Appendix C | 第56-59页 |
| Appendix D | 第59-61页 |
| Publications During the Postgraduate Program | 第61-62页 |
