| Acknowledgements | 第1-5页 |
| 摘要 | 第5-6页 |
| Abstract | 第6-10页 |
| Chapter 1 Introduction | 第10-14页 |
| ·Background of the Study | 第10-11页 |
| ·Purpose of the Study | 第11-12页 |
| ·Organization of the Thesis | 第12-14页 |
| Chapter 2 Literature Review | 第14-27页 |
| ·Lexical Chunks | 第14-18页 |
| ·Definitions and Criteria of Lexical Chunks | 第14-17页 |
| ·Classifications and Functions of Lexical Chunks | 第17-18页 |
| ·The Lexical Approach | 第18-22页 |
| ·Michal Lewis’s Lexical Approach | 第18-20页 |
| ·Nattinger and DeCarrico’s Lexical Approach | 第20-22页 |
| ·Studies in China | 第22-27页 |
| ·Theoretical Studies | 第22-23页 |
| ·Empirical Studies | 第23-27页 |
| Chapter 3 Research Design | 第27-32页 |
| ·Research Participants and Questions | 第27页 |
| ·Research Instruments | 第27-28页 |
| ·Textbook | 第27-28页 |
| ·Pre-test and Post-test | 第28页 |
| ·Questionnaire and Interview | 第28页 |
| ·Research Procedures | 第28-32页 |
| Chapter 4 Data Analyses and Discussions | 第32-39页 |
| ·Data Analyses | 第32-36页 |
| ·Analysis of Lexical Chunks | 第32-33页 |
| ·Analysis of Writing Scores | 第33-34页 |
| ·Analysis of Questionnaire and Interview | 第34-36页 |
| ·Discussions of Research Questions | 第36-39页 |
| Chapter 5 Pedagogical Implications | 第39-49页 |
| ·Suggestions for the Teacher | 第39-44页 |
| ·Changing the Traditional Teaching Methodology | 第39-40页 |
| ·Understanding the Nature of Lexical Approach | 第40页 |
| ·Highlighting the Concept of Lexical Chunking | 第40-41页 |
| ·Arranging Proper Classroom Activities | 第41-42页 |
| ·Creating an Encouraging Learning Environment | 第42页 |
| ·Regarding the Lexical Approach as an Eclecticism | 第42-43页 |
| ·Combining Intensive Reading with English Writing | 第43-44页 |
| ·Suggestions for the Students | 第44-46页 |
| ·Realizing the Importance of Lexis | 第44页 |
| ·Acquiring Knowledge on Chunking and Chunks | 第44-45页 |
| ·Making Use of Dictionaries and Lexical Notebooks | 第45页 |
| ·Reading Extensively in a Lexical Way | 第45-46页 |
| ·Suggestions for Textbook Compliers | 第46-49页 |
| ·Supplementing the Lexis with Chunks | 第46-47页 |
| ·Coordinating Grammar and Vocabulary | 第47页 |
| ·Emphasizing the Role of Collocation | 第47-49页 |
| Chapter 6 Conclusion | 第49-54页 |
| ·Major Findings | 第49-51页 |
| ·Facilitating Processing and Production | 第49-50页 |
| ·Ensuring Writing Fluency and Accuracy | 第50页 |
| ·Achieving Language Idiomaticity | 第50页 |
| ·Enhancing Discourse-organizing Ability | 第50-51页 |
| ·Cultivating Interest and Confidence | 第51页 |
| ·Limitations of Present Research | 第51-52页 |
| ·Suggestions for Future Research | 第52-54页 |
| Bibliography | 第54-57页 |
| Appendix 1: Writing Titles | 第57-58页 |
| Appendix 2: Questionnaire | 第58-60页 |
