| Acknowledgements | 第1-5页 |
| ABSTRACT | 第5-6页 |
| 摘要 | 第6-7页 |
| TABLE OF CONTENTS | 第7-9页 |
| List of Tables | 第9-10页 |
| Abbreviations in the Thesis | 第10-11页 |
| Chapter One Introduction | 第11-14页 |
| ·Background of Research | 第11-12页 |
| ·The Importance of English Writing | 第11页 |
| ·Problems in English Writings and Their Possible Causes | 第11-12页 |
| ·Purpose and Significance of the Research | 第12-13页 |
| ·Organization of the Thesis | 第13-14页 |
| Chapter Two Literature Review | 第14-29页 |
| ·Definition of Chunks | 第14-15页 |
| ·Classification of Chunks | 第15-19页 |
| ·Previous Studies about Chunks | 第19-25页 |
| ·International Studies about Chunks | 第19-20页 |
| ·Domestic Studies about Chunks | 第20-25页 |
| ·Questions Remaining Unanswered | 第25页 |
| ·Chunks and Writing Ability | 第25-29页 |
| ·Promoting Writing Accuracy and Fluency | 第26页 |
| ·Facilitating Idiomaticity and Vividness of Expression | 第26-27页 |
| ·Cultivating Text-organizing Ability | 第27页 |
| ·Lessening the Pressure of Language Processing | 第27-29页 |
| Chapter Three Research Methodology | 第29-35页 |
| ·Research Questions | 第29页 |
| ·Participants | 第29-30页 |
| ·Instruments | 第30-32页 |
| ·Questionnaire | 第30-31页 |
| ·Writing Test | 第31-32页 |
| ·Procedures and Data Collection | 第32-35页 |
| ·Questionnaire Administration | 第33页 |
| ·The Writing Test | 第33-35页 |
| Chapter Four Results and Discussion | 第35-53页 |
| ·Results of the Questionnaire | 第35-40页 |
| ·Learners’ Beliefs about the Use of Chunks | 第35-36页 |
| ·Strategies of Chunks in Real Use | 第36-39页 |
| ·Correlation between Beliefs and Strategies of Chunks in Real Use | 第39-40页 |
| ·Results of Writing Test | 第40-42页 |
| ·Comparison of Composition Scores between EM and NEM | 第40-41页 |
| ·General Characteristics of the Use of Chunks in EM and NEM | 第41-42页 |
| ·Comparison of the Use of Chunks in EM and NEM | 第42-50页 |
| ·Comparison of the Use of Total Chunks in EM and NEM | 第43-45页 |
| ·Comparison of the Use of Poly-words | 第45-46页 |
| ·Comparison of the Use of Institutionalized Expressions | 第46-47页 |
| ·Comparison of the Use of Phrasal Constraints | 第47-48页 |
| ·Comparison of the Use of Sentence Builders | 第48-50页 |
| ·Correlation between Chunks and Composition Scores | 第50-52页 |
| ·Summary | 第52-53页 |
| Chapter Five Conclusion | 第53-57页 |
| ·Major Findings of the Research | 第53-54页 |
| ·Pedagogical Implications | 第54-55页 |
| ·Limitations of the Research | 第55页 |
| ·Suggestions for Further Study | 第55-57页 |
| References | 第57-62页 |
| Publications | 第62-63页 |
| Appendixes | 第63-70页 |
| Appendix Ⅰ Instructions of the Writing Topic | 第63-64页 |
| Appendix Ⅱ Questionnaire | 第64-68页 |
| Appendix Ⅲ Marking Criteria | 第68-69页 |
| Appendix Ⅳ Two Writing Samples from Participants | 第69-70页 |
