| Acknowledgements | 第1-9页 |
| Abstract in English | 第9-14页 |
| Abstract in Chinese | 第14-17页 |
| Chapter 1 Introduction | 第17-34页 |
| ·Why focus on the teacher? | 第17-22页 |
| ·A brief introduction of teacher’s roles | 第22-27页 |
| ·What is a role? | 第22-23页 |
| ·What are teachers’roles? | 第23-25页 |
| ·Factors influencing teachers’roles | 第25-27页 |
| ·A brief introduction of computer assisted language learning | 第27-31页 |
| ·Computer assisted language learning | 第27-29页 |
| ·Why computer assisted instruction | 第29-31页 |
| ·General organization of the thesis | 第31-34页 |
| Chapter 2 CALL: Development and Its Impact | 第34-59页 |
| ·Introduction | 第34-35页 |
| ·The history of CALL: three phases | 第35-46页 |
| ·Behavioristic CALL | 第36-37页 |
| ·Communicative CALL | 第37-40页 |
| ·A: Steps toward integrative CALL: multimedia | 第40-42页 |
| ·B: Steps toward integrative CALL: the Internet | 第42-45页 |
| ·A brief summary | 第45-46页 |
| ·Introduction of the Internet into ELT | 第46-50页 |
| ·What can we do with CALL | 第50-51页 |
| ·Prerequisites for CALL teachers' barriers to the use of computer assisted language learning | 第51-55页 |
| ·Financial barrier | 第52-53页 |
| ·Availability of Computer Hardware and Software | 第53-54页 |
| ·Technical and Theoretical Knowledge | 第54页 |
| ·Acceptance of Technologies | 第54-55页 |
| ·Summary | 第55-59页 |
| Chapter 3 History of ELT and Development of CALL in China | 第59-77页 |
| ·Introduction | 第59-60页 |
| ·A brief history of ELT in China | 第60-63页 |
| ·Modern ELT in China | 第63-65页 |
| ·The rise of CALL in China | 第65-69页 |
| ·Background of the CALL development | 第66-68页 |
| ·Current situation of CALL in China | 第68-69页 |
| ·Comparison between traditional ELT model and the CALL model in China | 第69-75页 |
| ·Traditional ELT model | 第69-71页 |
| ·CALL model | 第71-73页 |
| ·Problems facing language teachers in CALL model | 第73-75页 |
| ·Conclusion | 第75-77页 |
| Chapter 4 Teachers’Changing Role in Computer Assisted Language Learning in China | 第77-98页 |
| ·The Traditional Teachers’Roles in ELT in China | 第77-80页 |
| ·Participation | 第77-78页 |
| ·Administration | 第78-79页 |
| ·Supervision | 第79-80页 |
| ·Teachers’Changing role in CALL in China | 第80-91页 |
| ·Construction of the new teaching model | 第81-83页 |
| ·Implications of the new teaching model | 第83-86页 |
| ·The computer | 第83-84页 |
| ·The learner | 第84-85页 |
| ·The teacher | 第85-86页 |
| ·Teachers’changing roles in networked (online) education | 第86-89页 |
| ·Implications of the changing roles | 第89-91页 |
| ·An empirical study | 第91-98页 |
| ·Method | 第91-92页 |
| ·Findings | 第92-97页 |
| ·Learners and teachers' expectations towards multimedia tools | 第93页 |
| ·Computer skill and technical problems | 第93-95页 |
| ·Learners and teachers' evaluation | 第95页 |
| ·Teacher's role and learner's progress | 第95-96页 |
| ·Learner's progress | 第96-97页 |
| ·Conclusion | 第97-98页 |
| Chapter 5 Teachers’Training and Development | 第98-117页 |
| ·The purposes and aims of teachers’training and development | 第98-100页 |
| ·Necessary Adjustment Because of the Changing Roles | 第100-102页 |
| ·The relationship between CALL and Learner Autonomy | 第102-109页 |
| ·Introduction | 第103页 |
| ·Autonomy in theory and practice | 第103-104页 |
| ·Constraints of the practice of CALL | 第104-107页 |
| ·Learners' lack of technical competence | 第105页 |
| ·Learners' interest | 第105-106页 |
| ·Learners' disinclination to be autonomous | 第106-107页 |
| ·Poor interaction among learners | 第107页 |
| ·A threat to Autonomy? | 第107-109页 |
| ·Supporting teachers in changing roles | 第109-115页 |
| ·Change of technology for a new classroom practice | 第109-111页 |
| ·New models of teachers’professional development | 第111-115页 |
| ·Research on exemplary models for professional development | 第112-113页 |
| ·Technological support | 第113-114页 |
| ·Support for the transition | 第114-115页 |
| ·New models of social support for changed practice | 第115页 |
| ·Summary | 第115-117页 |
| Chapter 6 Conclusion | 第117-123页 |
| ·A brief summary of the dissertation | 第117-120页 |
| ·Limitations of the research | 第120-121页 |
| ·Suggestion for future study | 第121-123页 |
| Bibliography | 第123-138页 |
| Appendixes | 第138-154页 |
