| Chinese Abstract | 第1-3页 |
| Abstract | 第3-4页 |
| Chinese Synopsis | 第4-6页 |
| Synopsis | 第6-10页 |
| Chapter One Introduction | 第10-12页 |
| ·Background of the study | 第10页 |
| ·Aims and objectives | 第10-11页 |
| ·Organization of the thesis | 第11-12页 |
| Chapter Two Literature Review | 第12-20页 |
| ·Definition of a task | 第12-13页 |
| ·Task-based language teaching | 第13页 |
| ·Theoretical underpinning | 第13-15页 |
| ·Theory of second language acquisition | 第13-14页 |
| ·Social constructivist theory | 第14-15页 |
| ·Teaching requirements of TBLT | 第15-16页 |
| ·Principles of TBLT | 第16-17页 |
| ·Skehan's principles | 第16页 |
| ·Willis' principles | 第16-17页 |
| ·Characteristics of task and TBLT | 第17-18页 |
| ·Advantages of TBLT | 第18-20页 |
| Chapter Three Current Situation of English Writing in High School | 第20-29页 |
| ·Requirements of writing in high school | 第20-22页 |
| ·Requirements in the teaching syllabus | 第20-21页 |
| ·Requirements in the New English Curriculum Standards | 第21-22页 |
| ·Scoring Criteria in ECS | 第22页 |
| ·Current situation in writing instruction | 第22-23页 |
| ·Investigation | 第23-29页 |
| ·Purpose | 第23页 |
| ·Design | 第23-29页 |
| ·Methods | 第23-24页 |
| ·Results | 第24页 |
| ·Analysis of teachers | 第24-26页 |
| ·Analysis of students | 第26-29页 |
| Chapter Four TBLT in Writing Class | 第29-37页 |
| ·Necessity and feasibility of TBLT to writing instruction | 第29页 |
| ·A survey on obstacles to TBLT implementation | 第29-31页 |
| ·Internet as a means to TBLT | 第31-37页 |
| ·Necessity | 第31-32页 |
| ·Theoretical basis of English teaching through Internet | 第32-33页 |
| ·Previous research on English teaching through internet | 第33-34页 |
| ·The current situation in the usage of computer | 第34-35页 |
| ·Benefits of English teaching through Internet | 第35页 |
| ·Help to realize student-centered teaching mode | 第35-36页 |
| ·Smooth away students' obstacles to reading | 第36页 |
| ·Problems of English teaching through Internet | 第36-37页 |
| Chapter Five Implementation of TBLT in Writing Class | 第37-51页 |
| ·Tasks designed | 第37-40页 |
| ·Strategies of implementing writing tasks | 第40-43页 |
| ·Teachers' roles in task-based writing | 第43页 |
| ·Principles of designing writing tasks | 第43-44页 |
| ·Procedures of task-based writing | 第44-45页 |
| ·Practice of task-based writing | 第45-50页 |
| ·Questionnaire for students | 第50-51页 |
| Chapter Six Conclusion | 第51-53页 |
| ·Advantages of the study | 第51页 |
| ·Limitation of the study | 第51页 |
| ·Further research | 第51-53页 |
| References | 第53-55页 |
| Appendices | 第55-60页 |
| Acknowledgements | 第60页 |
