| Abstract | 第1-5页 |
| 摘要 | 第5-7页 |
| CONTENTS | 第7-9页 |
| Chapter One Introduction | 第9-14页 |
| ·Background of the Study | 第9-11页 |
| ·Purpose and Significance of the Study | 第11-12页 |
| ·Layout of the Thesis | 第12-14页 |
| Chapter Two Literature Review | 第14-24页 |
| ·Studies of Lexical Chunks Abroad | 第14-16页 |
| ·Studies of Lexical Chunks at Home | 第16-19页 |
| ·Review of Senior High English Writing | 第19-22页 |
| ·The Importance of English Writing in High School English Teaching | 第19-20页 |
| ·Representative Approaches to English Writing | 第20-22页 |
| ·Existing Problems in English Writing | 第22-24页 |
| ·Existing Problems in Teaching Process | 第22页 |
| ·Existing Problems in Writing Process | 第22-24页 |
| Chapter Three Theoretical Foundation | 第24-34页 |
| ·Definition of Lexical chunks | 第24-25页 |
| ·Classification of Lexical chunks | 第25-27页 |
| ·Theoretical Background of Lexical-chunk Theory | 第27-30页 |
| ·Psycholinguistics Theory | 第27-29页 |
| ·Language Acquisition Theory | 第29-30页 |
| ·Functions of Lexical Chunks in Language Acquisition | 第30-32页 |
| ·Functions of Lexical Chunks in English Writing | 第32-34页 |
| Chapter Four Research Design and Methodology | 第34-48页 |
| ·Research Hypotheses | 第34页 |
| ·Research Subjects and Textbooks | 第34-35页 |
| ·Research Instruments | 第35-36页 |
| ·Questionnaire | 第35页 |
| ·Pre-test and Post-test | 第35-36页 |
| ·Interview | 第36页 |
| ·Research Procedures | 第36-48页 |
| ·Arrangement of the Experiment | 第36-37页 |
| ·Teaching Implementation in CG | 第37页 |
| ·Teaching Implementation in EG | 第37-48页 |
| Chapter Five Data Analysis and Findings | 第48-61页 |
| ·Analysis and Results of the Questionnaire | 第48-50页 |
| ·Analysis and Results of the Tests | 第50-59页 |
| ·Analysis in the Composition Scores in Pre-test of EG and CG | 第50-55页 |
| ·Analysis and Results of the Number of Lexical Chunks Used in EG and CG | 第55-59页 |
| ·Analysis and Result of Interview | 第59-61页 |
| Chapter Six Conclusion | 第61-65页 |
| ·Main Findings | 第61-62页 |
| ·Implications and Suggestions | 第62-63页 |
| ·Limitation of the Study | 第63-64页 |
| ·Recommendation for Further Research | 第64-65页 |
| Appendix I | 第65-67页 |
| Appendix II | 第67-68页 |
| Appendix III | 第68-69页 |
| Appendix IV | 第69-70页 |
| Appendix V | 第70-73页 |
| References | 第73-76页 |
| Acknowledgements | 第76页 |
