| Abstract | 第1-4页 |
| 摘要 | 第4-8页 |
| Introduction | 第8-11页 |
| Chapter One Literature Review | 第11-22页 |
| ·Theoretical Basis | 第11-17页 |
| ·Behaviorism | 第11-13页 |
| ·Constructivism | 第13-15页 |
| ·Communicative Language Teaching (CLT) | 第15-16页 |
| ·Feuerstein's Theory of Mediation | 第16-17页 |
| ·Teachers' Role | 第17-22页 |
| ·Role and Teachers' Role | 第17-18页 |
| ·Historical Review of Researches on Teachers' Role | 第18-22页 |
| Chapter Two Computer-Assisted Language Learning | 第22-29页 |
| ·Definition of CALL | 第22页 |
| ·Rise and Development of CALL | 第22-25页 |
| ·Behavioristic CALL (1950s—1970s) | 第22-23页 |
| ·Communicative CALL (1970s—1980s) | 第23页 |
| ·Integrative CALL (1980s—1990s) | 第23页 |
| ·Intelligent CALL (1990s—the present) | 第23-25页 |
| ·Current Situation of CALL in China | 第25页 |
| ·Mode of CALL | 第25-27页 |
| ·Features of CALL | 第27-29页 |
| Chapter Three Methodology | 第29-33页 |
| ·Research Questions | 第29页 |
| ·Subjects | 第29-30页 |
| ·Research Instruments | 第30-31页 |
| ·Questionnaire | 第30-31页 |
| ·Interview | 第31页 |
| ·Data Collection | 第31-33页 |
| Chapte Four Data Analyses and Results | 第33-51页 |
| ·Data Analyses | 第33-36页 |
| ·Reliability Statistics | 第33页 |
| ·Descriptive Statistics | 第33-35页 |
| ·Explorative Statistics | 第35-36页 |
| ·One-Sample Kolmogorov-Smirnov Test | 第36页 |
| ·Independent Samples T-Test | 第36页 |
| ·Results | 第36-51页 |
| ·Changes of Teachers' Actual Roles | 第36-39页 |
| ·Changes in Use of Accessory Teaching Tools | 第39-40页 |
| ·Changes of Classroom Activities | 第40-41页 |
| ·Changes of Students' After-class Assignments and Teachers' Tutorials | 第41-43页 |
| ·Changes of Teachers' Assessments | 第43-44页 |
| ·Students' Perceptions about the Relationships between Network and Other Three Elements | 第44-45页 |
| ·Students' Opinions about Some Aspects of English Teacher and Classroom | 第45-48页 |
| ·Students and Teachers' Perceptions about the Use of Multimedia and Network | 第48-51页 |
| Chapter Five Discussion and Implication | 第51-61页 |
| ·Actual Roles of College English Teachers in Traditional Classroom and in Multimedia Network Environment | 第51-53页 |
| ·Changes in English Teaching and Learning in Multimedia Network Environment | 第53-58页 |
| ·Students' Expectations for College English Teachers | 第58-59页 |
| ·Problems in the Actual Shift of College English Teachers' Role | 第59-61页 |
| Conclusion | 第61-63页 |
| Acknowledgements | 第63-64页 |
| Bibliography | 第64-69页 |
| Appendix Ⅰ | 第69-72页 |
| Appendix Ⅱ | 第72-73页 |
| Appendix Ⅲ | 第73-74页 |
| Appendix Ⅳ | 第74-78页 |
| 攻读硕士学位期间研究成果 | 第78-79页 |
