| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-10页 |
| Chapter One Introduction | 第10-12页 |
| Chapter Two Literature Review | 第12-28页 |
| ·Study of Lexical Chunks | 第12-17页 |
| ·Definition of Lexical Chunks | 第12-14页 |
| ·Category of Lexical Chunks | 第14-16页 |
| ·Function of Lexical Chunks | 第16-17页 |
| ·Roles of Lexical Chunks in Language Acquisition | 第17-20页 |
| ·Easing the Language Processing | 第17-18页 |
| ·Facilitating Language Production | 第18-19页 |
| ·Helping Establishment and Development of Grammatical Rules | 第19-20页 |
| ·Cognitive and Psychological Basis of Lexical Chunks | 第20-23页 |
| ·Main Ideas of Lexical Approach | 第23-28页 |
| ·Lexical Approach | 第23-25页 |
| ·Key Principles of Lexical Approach | 第25-26页 |
| ·Importance of Lexical Approach in College English Writing | 第26-28页 |
| Chapter Three Research Design | 第28-40页 |
| ·Hypothesis | 第29页 |
| ·Participants | 第29-32页 |
| ·Experiment Procedure | 第32-40页 |
| ·Activities of Raising the Students’Awareness of Lexical Chunks | 第32-36页 |
| ·Multiple Training Methods Adopted in the Experiment | 第36-39页 |
| ·Data Collection | 第39-40页 |
| Chapter Four Results and Analysis | 第40-47页 |
| ·Result Analysis | 第40-47页 |
| ·Statistic Description For the Composition Scores | 第40-42页 |
| ·Relationship Between Lexical Chunks and Students’Writing Proficiency | 第42-45页 |
| ·Analysis of the Interviews Between Experimenter and Subjects | 第45-47页 |
| Chapter Five Pedagogical Implications | 第47-52页 |
| ·The Advantages of Using Lexical Chunks in College English Writing | 第47页 |
| ·Suggestions for Teaching and Learning Lexical Chunks | 第47-50页 |
| ·Adjustment of Teaching Materials | 第50-51页 |
| ·Criteria to Grade Composition | 第51-52页 |
| Conclusion | 第52-54页 |
| Bibliography | 第54-55页 |
