| Acknowledgements | 第1-4页 |
| Abstract | 第4-8页 |
| Chapter One Introduction | 第8-13页 |
| ·Need for a Web-based College English Learning Environment | 第10-12页 |
| ·Organization of the Dissertation | 第12-13页 |
| Chapter Two Literature Review | 第13-25页 |
| ·Potential Advantages of Using the Web for Distance Education | 第13-16页 |
| ·Developing Web-Based Instruction: Issues and Models | 第16-19页 |
| ·Designing a Web-Based Learning Environment | 第19-22页 |
| ·Challenges for Web-Based Language Learning Environment Development | 第22-25页 |
| Chapter Three Theoretical Foundations | 第25-42页 |
| ·Paradigm Shift of Learning Theories | 第25-29页 |
| ·Constructivist Learning Principles | 第29-34页 |
| ·Distributed Cognition | 第34-38页 |
| ·Language Learning Theories and Computer-Assisted Language Learning (CALL) | 第38-40页 |
| ·Summary of the Theoretical Foundations | 第40-42页 |
| Chapter Four Investigations | 第42-52页 |
| ·Purposes of the Research | 第42-43页 |
| ·Subjects of the Research | 第43页 |
| ·Research Process | 第43-50页 |
| ·Research Methods | 第43页 |
| ·Data Collection and Analyses | 第43-50页 |
| ·Questionnaire Survey and Analysis | 第44-47页 |
| ·Interview Survey and Analysis | 第47-49页 |
| ·General Observations on Some English Learning Websites | 第49-50页 |
| ·Implications of the Investigations | 第50-52页 |
| Chapter Five Discussions on a Design Model for a Web-based College English Learning Environment | 第52-70页 |
| ·Foundations: Pedagogy, Technology and Organization | 第53-58页 |
| ·Pedagogy | 第53-55页 |
| ·Technology | 第55-57页 |
| ·Organization | 第57-58页 |
| ·Interrelationship among Pedagogy, Technology, and Organization | 第58页 |
| ·Six Components in the Design of a Web-Based College English Environment | 第58-68页 |
| ·Instruction | 第58-60页 |
| ·Interaction | 第60-62页 |
| ·Knowledge Construction | 第62-64页 |
| ·Language Resource Repository | 第64-65页 |
| ·Management | 第65-67页 |
| ·User Interface | 第67-68页 |
| ·Summary of the Discussions | 第68-70页 |
| Chapter Six Conclusion | 第70-76页 |
| ·Summary of the Study | 第70-71页 |
| ·Limitations of the Study | 第71-72页 |
| ·Implications for Future Development of Language Learning Environments | 第72-76页 |
| Bibliography | 第76-83页 |
| Online References and Websites | 第83-84页 |
| Appendix Ⅰ Questionnaire | 第84-86页 |
| Appendix Ⅱ Interview Questions | 第86-87页 |