| Abstract | 第1-5页 |
| 摘要 | 第5-6页 |
| Contents | 第6-8页 |
| Chapter One Introduction | 第8-13页 |
| ·Research Background | 第8-10页 |
| ·Rationale for the Study | 第10-11页 |
| ·Purpose of the Study | 第11页 |
| ·Outline of the Thesis | 第11-13页 |
| Chapter Two Literature Review | 第13-31页 |
| ·The Definition of Lexical Chunk | 第13-15页 |
| ·The Classification of Lexical Chunks | 第15-17页 |
| ·The Classification of Lexical Chunks in Terms of Structure | 第15-16页 |
| ·The Classification of Lexical Chunks in Terms of Function | 第16-17页 |
| ·Lexical Chunk in Psycholinguistic and Language Acquisition Perspectives | 第17-21页 |
| ·Lexical chunks in Cognitive and Psycholinguistic Perspective | 第17-18页 |
| ·Rule-based System and Exemplar-based System | 第18-20页 |
| ·Lexical Chunks and Language Acquisition | 第20-21页 |
| ·The Role of Lexical Chunk in Language Processing and Acquisition | 第21-25页 |
| ·Easing Processing | 第21-22页 |
| ·Acquiring Deeper and Wider Lexical Knowledge | 第22-23页 |
| ·Facilitating Language Production | 第23-24页 |
| ·Establishing Grammatical Rules | 第24-25页 |
| ·Lexical approach | 第25-28页 |
| ·The Lexical Approach of Michael Lewis | 第25-26页 |
| ·The Teaching Approach by Nattinger & DeCarrico | 第26-27页 |
| ·The Relationship between Lexical Chunks and Written Discourse | 第27-28页 |
| ·Lexical Chunks in Language Teaching and Learning | 第28-31页 |
| ·Research Abroad | 第28-29页 |
| ·Research at Home | 第29-31页 |
| Chapter Three Methodology | 第31-40页 |
| ·Research Questions | 第31-32页 |
| ·Participants | 第32页 |
| ·Research Procedure | 第32-33页 |
| ·Treatment of the Experiment | 第33-38页 |
| ·Instrument and Data Collection | 第38-40页 |
| ·Instrument | 第38页 |
| ·Data Collection | 第38-40页 |
| Chapter Four Results and Discussion | 第40-51页 |
| ·Statistical Results of Pretest and Posttest Composition Scores | 第40-43页 |
| ·Statistics Results of Pretest and Posttest Lexical Chunks Used | 第43-45页 |
| ·Correlation Analysis of Lexical Chunks and Writing Scores | 第45-46页 |
| ·Discussion | 第46-49页 |
| ·Discussion for Research Question 1 | 第46-47页 |
| ·Discussion for Research Question 2 | 第47页 |
| ·Discussion for Research Question 3 | 第47-48页 |
| ·Reasons for the Results | 第48-49页 |
| ·Characteristics of Using Lexical Chunks | 第49-51页 |
| Chapter Five Conclusions | 第51-56页 |
| ·Major Findings | 第51-52页 |
| ·Pedagogical Implication | 第52-54页 |
| ·Limitation and Suggestion for Future Study | 第54-56页 |
| References | 第56-61页 |
| Appendix Ⅰ | 第61-62页 |
| Appendix Ⅱ | 第62-65页 |
| Appendix Ⅲ | 第65-67页 |
| Appendix Ⅳ | 第67-69页 |
| Acknowledgements | 第69-70页 |
| Publications | 第70页 |
