| Acknowledgements | 第1-5页 |
| Abstract | 第5-7页 |
| 内容摘要 | 第7-13页 |
| Chapter One Introduction | 第13-19页 |
| ·Research Background | 第13页 |
| ·An Introduction to the 3Ps Teaching Approach and CLT | 第13-16页 |
| ·The traditional 3Ps teaching approach | 第13-14页 |
| ·The communicative language-teaching method | 第14-16页 |
| ·Aims and Significance of the Present Study | 第16-17页 |
| ·Organization of This Thesis | 第17-19页 |
| Chapter Two Literature Review | 第19-39页 |
| ·Investigations into Tasks and Task-based Instruction | 第19-33页 |
| ·Definition of task, task type and task component | 第19-25页 |
| ·Definition of task | 第19-22页 |
| ·Task type | 第22-23页 |
| ·Task component | 第23-25页 |
| ·Definition of the task-based instruction | 第25-26页 |
| ·Implementation of the task-based instruction | 第26-33页 |
| ·Lesson design | 第26-32页 |
| ·Participatory structure | 第32-33页 |
| ·Theoretical Bases of the Task-based Teaching | 第33-36页 |
| ·Theory of language | 第33-34页 |
| ·Constructivist view | 第34-35页 |
| ·Psycholinguistic approach to interaction | 第35-36页 |
| ·The Research on Task-based Instruction in China and abroad | 第36-39页 |
| ·The research on task-based instruction abroad | 第36-38页 |
| ·The limitations of the previous researches in China | 第38-39页 |
| Chapter Three Research Methodology | 第39-41页 |
| ·The Research Question | 第39页 |
| ·Subjects | 第39页 |
| ·Data Collection | 第39-41页 |
| ·Classroom observation | 第40页 |
| ·Transcription-making | 第40-41页 |
| Chapter Four The Research Findings | 第41-67页 |
| ·The Current Situation in Designing and Implementing Task-based Instruction | 第41-55页 |
| ·The task-based instruction not adopted | 第41-49页 |
| ·The existing problems in the implementation of the task-based instruction | 第49-55页 |
| ·The Factors Affecting the Implementation of Tasks | 第55-67页 |
| ·Teacher qualification | 第56-59页 |
| ·Opportunities of improvement in task-based instruction for teachers | 第59-61页 |
| ·Time available for task-based instruction | 第61-62页 |
| ·Teacher preparation and resources | 第62-63页 |
| ·Language proficiency of the students | 第63-65页 |
| ·Students' attitudes toward TBI | 第65-67页 |
| Chapter Five Conclusion | 第67-71页 |
| ·Summary of Major Findings | 第67-68页 |
| ·Implications of the Study | 第68-70页 |
| ·Limitations and Suggestions for Further Research | 第70-71页 |
| References | 第71-75页 |
