| 中文摘要 | 第1-6页 |
| Abstract | 第6-9页 |
| Contents | 第9-12页 |
| Introduction | 第12-15页 |
| 1. Background of the Research | 第12-13页 |
| 2, Purposes and Significance of the Research | 第13-14页 |
| 3. Organization of the Thesis | 第14-15页 |
| Chapter One Previous Research on Lexical Chunks and English WritingStrategies | 第15-24页 |
| ·Previous Study on Lexical Chunks | 第15-19页 |
| ·Previous Study on English Writing Strategies | 第19-24页 |
| Chapter Two Theories of Lexical Chunks and Foreign Language Writing | 第24-33页 |
| ·Theories of Lexical Chunks | 第24-31页 |
| ·Lexis-centered Language Theory | 第24-26页 |
| ·Dual-mode System Theory | 第26-28页 |
| ·Short-term Memory Theory | 第28-30页 |
| ·Construction Grammar Theory | 第30-31页 |
| ·Language Information Theory | 第31-33页 |
| Chapter Three Lexical Chunks and English Writing Strategies | 第33-61页 |
| ·Lexical Chunks | 第33-49页 |
| ·Definition and Classifications of Lexical Chunks | 第33-41页 |
| ·Functions of Lexical Chunks | 第41-42页 |
| ·Michael Lewis's Lexical Approach | 第42-45页 |
| ·The Effectiveness of the Lexical Approach to Improve Writing | 第45-49页 |
| ·English Writing Strategies | 第49-59页 |
| ·Definitions and Classifications of Writing Strategies | 第49-56页 |
| ·Functions of Writing Strategies in English Writing | 第56-57页 |
| ·Factors Contributing to English Writing Strategies | 第57-59页 |
| ·Employing Lexical Approach to Optimize English Writing Strategies | 第59-61页 |
| Chapter Four Research Methodology | 第61-78页 |
| ·Research Hypothesis | 第61-63页 |
| ·Subjects | 第63-64页 |
| ·Instruments | 第64-67页 |
| ·English Writing Strategy Questionnaire | 第64-66页 |
| ·Pre-test Writing | 第66-67页 |
| ·Post-test Writing | 第67页 |
| ·Implementation of the Lexical Approach | 第67-76页 |
| ·The workflow of the Implementation | 第67-68页 |
| ·The Specific Procedure for Experiment Class | 第68-76页 |
| ·Data Collection | 第76-78页 |
| ·The Collection of Questionnaires' Data | 第76页 |
| ·The Counting of Lexical Chunks in Writing Tests | 第76-78页 |
| Chapter Five Data Analysis and Discussion | 第78-94页 |
| ·Statistical Analysis of Lexical Chunks in Writing Tests | 第78-82页 |
| ·Statistical Analysis of Lexical Chunks of the Pre-test Writing of EG and CG | 第78-80页 |
| ·Within-group and Between-group Statistical Analysis of Lexical Chunks of the Pre-test and Post-test Writing | 第80-82页 |
| ·Statistical Analysis of English Writing Strategy Questionnaires | 第82-90页 |
| ·Statistical Analysis of the Writing Strategy of the Pre-test Questionnaire of EG and CG | 第82-84页 |
| ·Within-group and Between-group Statistical Analysis of the Writing Strategies of the Pre-test and Post-test Questionnaires | 第84-90页 |
| ·The Whole Writing Strategy | 第85-86页 |
| ·The Metacognitive Strategy | 第86-88页 |
| ·The Cognitive Strategy | 第88-89页 |
| ·The Social/affective Strategy | 第89-90页 |
| ·Summary of the Findings | 第90页 |
| ·Discussion | 第90-94页 |
| Conclusion | 第94-97页 |
| 1. Major Findings | 第94-95页 |
| 2. Pedagogical Implications | 第95页 |
| 3. Limitations and Suggestions for Future Research | 第95-97页 |
| Bibliography | 第97-103页 |
| Appendix | 第103-111页 |
| Appendix 1 Pre-test Writing | 第103-104页 |
| Appendix 2 Post-test Writing | 第104-105页 |
| Appendix 3 English Writing Strategy Questionnaire | 第105-107页 |
| Appendix 4 | 第107-111页 |
| Acknowledgements | 第111-112页 |
| 在读期间科研成果目录 | 第112页 |
