| List of Abbreviations | 第1-8页 |
| Abstract | 第8-10页 |
| 摘要 | 第10-12页 |
| Chapter One Introduction | 第12-16页 |
| ·Research Background | 第12-14页 |
| ·Research Purpose and Significance | 第14-15页 |
| ·Overall Organization of the Thesis | 第15-16页 |
| Chapter Two Literature Review | 第16-32页 |
| ·The Theory of Communities of Practice | 第16-21页 |
| ·The Definition of Communities of Practice | 第16-17页 |
| ·The Three Elements of Communities of Practice | 第17-20页 |
| ·Legitimate Peripheral Participation | 第20-21页 |
| ·Wenger’s Learning Architecture | 第21-25页 |
| ·Previous Studies | 第25-31页 |
| ·SLA from the Perspective of COP Theory | 第25-27页 |
| ·Writing from the Perspective of COP Theory | 第27-29页 |
| ·Web-based English Writing from the Perspective of COP Theory | 第29-31页 |
| ·Summary | 第31-32页 |
| Chapter Three Methodology | 第32-37页 |
| ·Research Questions | 第32页 |
| ·The Case Description | 第32-33页 |
| ·Participants | 第32-33页 |
| ·Research Context | 第33页 |
| ·Instrument | 第33页 |
| ·Procedures | 第33-35页 |
| ·Data Collection and Analysis | 第35-37页 |
| Chapter Four Results | 第37-63页 |
| ·The Characteristics of Communities of Practice within the Web-based English Writing Class | 第37-56页 |
| ·Engagement of the English Writing Class | 第38-44页 |
| ·Imagination from Both the Teacher and the Students | 第44-53页 |
| ·The Alignment of the Environment | 第53-56页 |
| ·The Trajectory of Transformation of the Students’ Identity from this Environment | 第56-63页 |
| ·The Improvement on English Writing | 第56-58页 |
| ·The Development of Logical Thinking | 第58-60页 |
| ·The Exploration on the Meaning of Life | 第60-63页 |
| Chapter five Discussion | 第63-69页 |
| ·The Learning Architecture can Help the Students’ Development and Change Besides Knowledge Acquisition | 第63-64页 |
| ·The Discovery of Their Self- development | 第63页 |
| ·From Newcomers to Old Timers | 第63-64页 |
| ·Learning is a Process that Takes Place in a Participation Framework | 第64页 |
| ·The Reasons for the Establishment the COP | 第64-68页 |
| ·Institutional Support | 第65-68页 |
| ·All the Members’ Participation | 第68页 |
| ·Summary | 第68-69页 |
| Chapter six Conclusion | 第69-72页 |
| ·Summary of Major Findings | 第69-70页 |
| ·Implications for EFL/ESL Teaching | 第70页 |
| ·Limitations of the Research | 第70-71页 |
| ·Suggestions for Future Research | 第71-72页 |
| Bibliography | 第72-77页 |
| Appendix | 第77-79页 |
| Acknowledgements | 第79-80页 |
| Publication | 第80页 |
