| ABSTRACT | 第1-7页 |
| 摘要 | 第7-9页 |
| Chapter One Introduction | 第9-12页 |
| ·The research topic | 第9页 |
| ·Significance of the study | 第9-10页 |
| ·Hypotheses | 第10页 |
| ·Definitions | 第10-12页 |
| Chapter Two Literature Review | 第12-27页 |
| Chapter Three Procedures | 第27-31页 |
| ·Design of the study | 第27页 |
| ·Subjects | 第27-28页 |
| ·Data collection | 第28-29页 |
| ·Scores of essays and final exams | 第28-29页 |
| ·Questionnaires | 第29页 |
| ·Statistical methods | 第29-31页 |
| Chapter Four Data Analysis | 第31-62页 |
| Chapter Five Findings | 第62-71页 |
| ·The function of prefabricated lexical phrases in learners' writing task | 第62-63页 |
| ·Time allotment | 第63页 |
| ·Gender difference attributing to learners' writing acquisition | 第63-64页 |
| ·The relationship between vocabulary and writing improvement | 第64页 |
| ·The strategy employment and writing acquisition | 第64-67页 |
| ·Teacher's role in learners' writing acquisition | 第67-68页 |
| ·The function of evaluation in writing | 第68-69页 |
| ·Motivation and writing acquisition | 第69-70页 |
| ·Proposed composition and free work | 第70-71页 |
| Chapter Six Conclusions and Implications | 第71-72页 |
| References | 第72-75页 |
| Appendices | 第75-90页 |
| Appendix 1 | 第75-82页 |
| Appendix 2 | 第82-86页 |
| Appendix 3 | 第86-90页 |
| Acknowledgments | 第90-91页 |
| Paper Published | 第91页 |
