| Abstract | 第1-7页 |
| 摘要 | 第7-10页 |
| Chapter 1 Introduction | 第10-12页 |
| Chapter 2 Literature Review | 第12-25页 |
| ·Lexical Chunks | 第12-20页 |
| ·The Definitions and Classification of Lexical Chunks | 第12-14页 |
| ·Functions of Lexical Chunks | 第14-15页 |
| ·Lexical Chunks in Second Language Learning | 第15-17页 |
| ·Lexical Chunks in Second Language Teaching | 第17-19页 |
| ·Key Principles of Lexical Approach | 第19-20页 |
| ·EFL Writing and Lexical Chunks | 第20-25页 |
| ·Nature of Writing and EFL Writing | 第20-21页 |
| ·Previous Studies on the Relations between EFL Writing and Lexica #1 Chunks | 第21-22页 |
| ·Application of the Lexical Approach into Writing Class | 第22-25页 |
| Chapter 3 Research Methodology | 第25-27页 |
| ·Research Design | 第25页 |
| ·Research Questions | 第25页 |
| ·Participants | 第25页 |
| ·Instruments | 第25-27页 |
| Chapter 4 Quasi-experiment | 第27-37页 |
| ·The Design of the Experiment | 第27页 |
| ·Treatment of the Experiment | 第27-36页 |
| ·Applying the Lexical Approach to the Experimental Group | 第27-36页 |
| ·Teaching Activities in the Control Group | 第36页 |
| ·Data Collection | 第36-37页 |
| Chapter 5 Data Analysis and Discussion | 第37-55页 |
| ·Data Analysis | 第37-45页 |
| ·Comparison of the Number of Lexical Chunks Identified by the Two Groups | 第37-39页 |
| ·Comparison of Composition Scores between the Experimental Group and the Control Group | 第39-42页 |
| ·Comparisons of the No. of lexical chunks used in the Writings of Two Groups | 第42-44页 |
| ·Relationship between Lexical Chunks and Students'Composition Scores | 第44-45页 |
| ·Results and Discussions | 第45-48页 |
| ·Pedagogical Implications | 第48-55页 |
| ·Changing Teaching Methodology | 第48-49页 |
| ·Raising Students' Awareness of Lexical chunks | 第49-50页 |
| ·Input of Lexical Chunks | 第50-51页 |
| ·Teaching Lexical Chunks in Context | 第51-53页 |
| ·Recording and Revisiting | 第53页 |
| ·Fostering Students' Autonomous Learning Abilities | 第53-55页 |
| Conclusion | 第55-58页 |
| ·Conclusive Statements | 第55页 |
| ·Limitations and Suggestions for Future Research | 第55-58页 |
| Bibliography | 第58-61页 |
| Appendix 1:three tests | 第61-64页 |
| Appendix 2:PETS一般评分标准 | 第64-65页 |
| Acknowledgements | 第65页 |
