| Abstract | 第1-6页 |
| 摘要 | 第6-7页 |
| List of Figures and Tables | 第7-8页 |
| Contents | 第8-10页 |
| Chapter One Introduction | 第10-14页 |
| ·Background of the Research | 第10-13页 |
| ·Organization of the Thesis | 第13-14页 |
| Chapter Two Literature Review | 第14-28页 |
| ·The Definition of Lexical Chunks | 第15-17页 |
| ·The Classification of the Lexical Chunks | 第17-18页 |
| ·The Functions of Lexical Chunks | 第18-22页 |
| ·Facilitating Writing Fluency | 第18-20页 |
| ·Promoting Language Idiomaticity and Vividness | 第20-22页 |
| ·Cultivating Text-organizing Ability | 第22页 |
| ·Lexical Chunks in Psycholinguistics | 第22-24页 |
| ·Theoretical Bases of the Lexical Chunk Approach | 第24-26页 |
| ·Studies about Lexicai Chunks in China | 第26-28页 |
| Chapter Three Theoretical Framework | 第28-35页 |
| ·Nattinger and DeCarrico's Classification of the Lexical Chunks | 第28-31页 |
| ·The Application of Lexical Chunk Approach to Writing Class | 第31-35页 |
| ·Adopting a Lexicai Chunk Approach in Teaching Writing | 第31-32页 |
| ·The Conduction of Argumentative Essays by Nattinger and DeCarrico | 第32-35页 |
| Chapter Four Methodology | 第35-38页 |
| ·Research Questions | 第35页 |
| ·Subjects | 第35-36页 |
| ·Instrument | 第36页 |
| ·Procedures | 第36-37页 |
| ·Data Collection and Analysis | 第37-38页 |
| Chapter Five Results and Discussions | 第38-49页 |
| ·General Statistic Descriptions and Frequency of Lexical Chunks Used in Two Different Groups | 第38-39页 |
| ·Comparison of Four Structural Categories of Lexical Chunks | 第39-43页 |
| ·Within-group Comparison of Four Structural Categories of Lexical Chunks | 第40-42页 |
| ·Between-group Comparison of Four Structural Categories of Lexical Chunks | 第42-43页 |
| ·Significant Difference Analysis by t-Test | 第43-46页 |
| ·Correlation between Lexical Chunks and Composition Grades | 第46-49页 |
| Chapter Six Pedagogical Implications | 第49-54页 |
| ·The Modification of the Traditional Vocabulary Teaching and Learning | 第49-51页 |
| ·The Syllabus Design and the Selection of the Course Books | 第51-52页 |
| ·Autonomous Learning | 第52-54页 |
| Chapter Seven Conclusion | 第54-57页 |
| ·Conclusion | 第54-55页 |
| ·Limitations | 第55-56页 |
| ·Suggestions | 第56-57页 |
| References | 第57-60页 |
| Appendix 1 | 第60-61页 |
| Appendix 2 | 第61-64页 |
| Acknowledgements | 第64页 |
