| 摘要 | 第1-5页 |
| Abstract | 第5-9页 |
| Chapter One Introduction | 第9-12页 |
| Chapter Two Literature Review | 第12-35页 |
| ·Lexical Approach | 第12-21页 |
| ·Cognitive Basis of Lexical Approach | 第12-16页 |
| ·Basic Ideas of Lexical Approach: A Bridge between Structural and Communicative Approach | 第16-21页 |
| ·Lexical Chunks | 第21-29页 |
| ·Definition of Lexical Chunks | 第21-23页 |
| ·Classification of Lexical Chunks | 第23-29页 |
| ·Nattinger and DeCarrico's Classification | 第24-26页 |
| ·Lewis' Classification | 第26-28页 |
| ·Becker's Classification | 第28-29页 |
| ·Alexander's Classification | 第29页 |
| ·Roles of Lexical Chunks in Language Acquisition | 第29-33页 |
| ·Lexical Chunks in First Language Acquisition | 第29-30页 |
| ·Lexical Chunks in Second Language Acquisition | 第30-33页 |
| ·The Influence of Lexical Chunks on Language Fluency and Accuracy | 第30-31页 |
| ·The Relationship between Lexical Chunks and Language Competence and Performance | 第31-33页 |
| ·Summary | 第33-35页 |
| Chapter Three Lexical Approach - A New Way to Improve EFL Writing | 第35-38页 |
| Chapter Four Research Design | 第38-48页 |
| ·Hypotheses | 第38页 |
| ·Participants | 第38-40页 |
| ·Experiment Procedures | 第40-48页 |
| ·An Overview of the Experiment | 第40-43页 |
| ·Experiment Procedures | 第43-48页 |
| ·Teaching Procedures | 第43-46页 |
| ·Writing Assignments | 第46-47页 |
| ·Data Collection and Result Analysis | 第47-48页 |
| Chapter Five Results and Discussion | 第48-61页 |
| ·Result Analysis | 第48-54页 |
| ·General Descriptive Statistics for the Composition Scores | 第48-50页 |
| ·General Descriptive Statistics for the Number of Chunk Application in Each Composition | 第50-54页 |
| ·Discussion | 第54-61页 |
| Chapter Six Conclusion | 第61-64页 |
| References | 第64-73页 |
| Table List | 第73-74页 |
| Appendix 1: Raw Scores of Placement Test of All the Students of EG and CG | 第74-75页 |
| Appendix 2: Raw Scores of 216 compositions | 第75-76页 |
| Appendix 3: Chunks Used in Subjects' Compositions | 第76-78页 |
| Acknowledgements | 第78页 |
