| ACKNOWLEDGEMENTS | 第1-6页 |
| CONTENTS | 第6-9页 |
| 1 INTRODUCTION | 第9-13页 |
| ·Problems of the traditional EFL teaching | 第9-10页 |
| ·Analysis of causes | 第10-11页 |
| ·Research questions | 第11-13页 |
| 2 TASKS AS THE PIVOT IN INTERACTIONS BETWEEN TEACHERS AND LEARNERS | 第13-28页 |
| ·Background | 第13-14页 |
| ·Rationales of the task | 第14-24页 |
| ·Task components | 第15-18页 |
| ·Grading tasks | 第18-21页 |
| ·Sequencing and integrating tasks | 第21-23页 |
| ·General characters of the task | 第23-24页 |
| ·Social constructivism: an educational perspective | 第24-28页 |
| ·Interaction and social constructivism | 第24-25页 |
| ·A social constructivism perspective on tasks | 第25页 |
| ·A constructivist view of teaching | 第25-26页 |
| ·A constructivist view of learning | 第26页 |
| ·A constructivist view of motivation | 第26-28页 |
| 3 TEACHERS, LEARNERS AND MOTIVATION IN THE TASK-BASED CLASSROOM | 第28-41页 |
| ·Significant roles of the teacher | 第28-32页 |
| ·The teacher as mediator | 第28-30页 |
| ·The teacher as reflective practitioner | 第30-32页 |
| ·Prominent characters of learners | 第32-35页 |
| ·The learner as autonomous learner | 第32-33页 |
| ·The learner and learning strategies training | 第33-35页 |
| ·Motivation and motivating learners | 第35-41页 |
| ·Cognitive components of the motivation | 第36-37页 |
| ·The model of Motivation | 第37-38页 |
| ·Relative motivation components in the task performance | 第38-41页 |
| 4 CLASSROOM INTERACTION AND TASKS | 第41-62页 |
| ·Components of the classroom interaction | 第41-46页 |
| ·The teacher's action zone | 第41-43页 |
| ·Learner interactional competence | 第43-44页 |
| ·Learner interactional patterns | 第44-46页 |
| ·The rationale of the task-based classroom | 第46-49页 |
| ·Characteristics of the task | 第46页 |
| ·Tasks and learner interactional patterns | 第46-47页 |
| ·Types of the task | 第47-49页 |
| ·Components of the task-based classroom | 第49-54页 |
| ·Three elements in any successful classroom | 第49-50页 |
| ·Principles of task designing in junior high schools | 第50-51页 |
| ·A cognitive processing view of task execution | 第51-52页 |
| ·Task execution | 第52-54页 |
| ·Group-work learning | 第54-58页 |
| ·Research on group work learning | 第55页 |
| ·The principle of group work learning | 第55-57页 |
| ·Evaluations on group work learning | 第57-58页 |
| ·The task as an effective factor for EFL classroom interactions | 第58-62页 |
| ·Activating the three elements of the classroom | 第58-59页 |
| ·Promoting student-student interactions | 第59-60页 |
| ·Promoting student-teacher interactions | 第60-62页 |
| 5 CONCLUSION | 第62-65页 |
| ·Present findings | 第63-64页 |
| ·Future research | 第64-65页 |
| REFERENCES | 第65-71页 |
