| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-13页 |
| List of Figures | 第13-14页 |
| List of Tables | 第14-15页 |
| List of Abbreviations | 第15-16页 |
| Chapter One Introduction | 第16-22页 |
| ·Research background | 第16-18页 |
| ·The necessities of web-based collaborative learning | 第18-19页 |
| ·Significance of the research | 第19-20页 |
| ·Organization of the thesis | 第20-22页 |
| Chapter Two Literature Review | 第22-40页 |
| ·Computer-assisted language learning | 第22-24页 |
| ·Development of CALL | 第22-24页 |
| ·CALL in EFL writing context | 第24页 |
| ·Web-based language learning in terms of writing mode | 第24-27页 |
| ·Synchronous CALL | 第24-25页 |
| ·Asynchronous CALL | 第25-27页 |
| ·The application of CALL in EFL writing | 第27-35页 |
| ·Previpus researches on web-based writing | 第27-28页 |
| ·Application of wikis environment in EFL writing | 第28-35页 |
| ·Previous researches of web-based collaborative writing in English writing | 第35-40页 |
| ·Previous researches on collaborative learning in EFL writing | 第35-36页 |
| ·Previous researches on web-based collaborative learning in English writing | 第36-40页 |
| Chapter Three Theoretical Framework | 第40-48页 |
| ·Collaborative learning | 第40-42页 |
| ·Constructivist apploach in online learning and teaching of language | 第42-44页 |
| ·Writing process theory | 第44-46页 |
| ·Summary | 第46-48页 |
| Chapter Four Research Methodology | 第48-60页 |
| ·Purpose of the research | 第48页 |
| ·Research questions | 第48-49页 |
| ·Research design | 第49-56页 |
| ·Participants | 第49页 |
| ·Instruments | 第49-50页 |
| ·Research procedure | 第50-52页 |
| ·Writing tasks and assessment of products | 第52-55页 |
| ·Data collection and analysis | 第55-56页 |
| ·Wiki-assisted teaching writing platform | 第56-60页 |
| Chapter Five Results and Discussion | 第60-70页 |
| ·Results and analysis of the information obtained from the pretest and posttest | 第60-62页 |
| ·Students' attitude changes towards writing in web-based collaborative learning environment | 第62-65页 |
| ·The role changes of students and teacher in this model | 第65-70页 |
| ·Various activities and roles of students #5C | 第66页 |
| ·Role changes of teacher | 第66-70页 |
| Chapter Six Conclusion | 第70-74页 |
| ·Major findings | 第70-71页 |
| ·Implications | 第71页 |
| ·Limitations | 第71-72页 |
| ·Further research questions | 第72-74页 |
| References | 第74-79页 |
| Appendix A Questionnaire 1 | 第79-81页 |
| Appendix B Questionnaire 2 | 第81-84页 |
| Appendix C Interview Questions | 第84-85页 |
| Appendix D Peer-revision Reference | 第85页 |