| 摘要 | 第1-6页 |
| Abstract | 第6-12页 |
| Chapter 1 Introduction | 第12-15页 |
| ·Need for the Study | 第12-13页 |
| ·Significance of the Study | 第13页 |
| ·Organization of the Thesis | 第13-15页 |
| Chapter 2 Literature Review | 第15-29页 |
| ·Writing Approach | 第15-17页 |
| ·Product Approach | 第15页 |
| ·Process Approach | 第15-16页 |
| ·Advocacy of Task-based Approach | 第16-17页 |
| ·Theories Concerning Task-based Approach | 第17-21页 |
| ·Basic Content of TBLT | 第17-18页 |
| ·Definition of Task | 第18页 |
| ·Types of Task | 第18-19页 |
| ·Choice of Task | 第19-20页 |
| ·Features of TBLT | 第20页 |
| ·Principles of TBLT in Writing | 第20-21页 |
| ·Theoretical Perspectives of TBLT | 第21-24页 |
| ·Cooperative Learning Perspective | 第21-22页 |
| ·Output Hypothesis Perspective | 第22-23页 |
| ·Constructivist Perspective | 第23页 |
| ·Psycholinguistics Perspective | 第23-24页 |
| ·Willis’Framework of TBLT | 第24-25页 |
| ·Pre-task | 第24页 |
| ·Task Cycle | 第24页 |
| ·Language Focus | 第24-25页 |
| ·Task Chain Teaching Model in English Writing | 第25-28页 |
| ·Task Chain Teaching Model | 第25-26页 |
| ·Implementing Stages of Task Chain Teaching Model | 第26-28页 |
| ·Role of Teacher and Students in Task Chain Teaching Model | 第28-29页 |
| ·Role of Teacher | 第28页 |
| ·Role of Students | 第28-29页 |
| Chapter 3 Methodology of the Study | 第29-36页 |
| ·Research Design | 第29页 |
| ·Research Questions | 第29-30页 |
| ·Subjects and teaching Material | 第30页 |
| ·Tools of Analysis | 第30页 |
| ·Procedures | 第30-35页 |
| ·Data Collection | 第35-36页 |
| Chapter 4 Results and Discussion | 第36-44页 |
| ·Overall Results of the Writing Test | 第36-40页 |
| ·Comparison of the Total | 第36-38页 |
| ·Comparison of Content | 第38页 |
| ·Comparision of Organization | 第38-39页 |
| ·Comparision of Language | 第39-40页 |
| ·Task Chain Teaching Model and Students with Different Writing Levels | 第40-44页 |
| ·Performance of Students with Different Writing Levels | 第40-42页 |
| ·Causes of the Different Effects | 第42-44页 |
| Chapter 5 Conclusion | 第44-46页 |
| ·Major Findings of the Study | 第44页 |
| ·Implication of the Study | 第44-45页 |
| ·Limitations of the Study and Suggestions for Further Research | 第45-46页 |
| Bibliography | 第46-49页 |
| Acknowledgements | 第49-50页 |
| Appendix A Writing Topic of Pre-test and post-test | 第50-51页 |
| Appendix B The Five Topics of Essay Writing Activities in the Experiment | 第51-52页 |
| Appendix C The Marking Criteria Based on Sun Li’s Criteria and the Scoring Criteria of CET-4 for English Writing | 第52-53页 |
| Appendix D 全国大学英语四、六级考试作文题评分标准 | 第53页 |
