| Abstract | 第1-8页 |
| 中文摘要 | 第8-9页 |
| List of Figures and Tables | 第9-10页 |
| List of Abbreviations | 第10-11页 |
| Chapter I Introduction | 第11-13页 |
| ·Purpose of this study | 第11-12页 |
| ·Significance of this study | 第12-13页 |
| Chapter II Literature Review | 第13-25页 |
| ·Theories concerning task and task-based instruction | 第13-21页 |
| ·Definitions of Task | 第13-15页 |
| ·Task and exercise | 第15-17页 |
| ·Task-based language teaching | 第17-21页 |
| ·English writing approaches | 第21-23页 |
| ·The Product approach | 第21-22页 |
| ·The Process approach | 第22页 |
| ·Genre approach | 第22-23页 |
| ·The latest development of TBLT in China and abroad | 第23-25页 |
| Chapter III Rationales for task-based language teaching | 第25-33页 |
| ·linguistics rationales for TBLT | 第25-30页 |
| ·Input and Output Hypothesis | 第25-27页 |
| ·Interaction Hypothesis | 第27-28页 |
| ·System-functional theory | 第28-29页 |
| ·Language as a rule-governed system | 第29-30页 |
| ·Psycholinguistic rationales for TBLT | 第30-33页 |
| ·Cognitive Approach for language teaching | 第30-31页 |
| ·Discovery learning | 第31-32页 |
| ·Meaningful learning | 第32-33页 |
| Chapter IV The study | 第33-46页 |
| ·Research questions and hypotheses | 第33页 |
| ·Participants and teaching materials | 第33-34页 |
| ·Procedures of the study | 第34-46页 |
| ·Questionnaire on interest and attitude towards leaning English | 第34页 |
| ·Pre-test on English writing level | 第34-35页 |
| ·Treatment in classroom teaching | 第35-45页 |
| ·Teaching in 3-Ps approach | 第36页 |
| ·Teaching of task-based writing | 第36-38页 |
| ·Sample teaching plans for EG and CG | 第38-45页 |
| ·Post-test | 第45页 |
| ·Post-questionnaire and post-program interview | 第45-46页 |
| Chapter V Data Collection and analysis | 第46-53页 |
| ·Marking criterion for pre-and post-tests | 第46-48页 |
| ·Statistical analyses of the data | 第48-51页 |
| ·Comparison of post-test | 第48-49页 |
| ·Comparison of pre- and post-test for each group | 第49-50页 |
| ·The result of questionnaire at the end of the experiment | 第50-51页 |
| ·Interview | 第51-53页 |
| Chapter VI Results and Discussion | 第53-58页 |
| ·Results in relation to research question I | 第53-55页 |
| ·Results in relation to research question II | 第55-56页 |
| ·Positive responses | 第55页 |
| ·Opposite opinions | 第55-56页 |
| ·Discussion | 第56-58页 |
| ·Role shifting of the teacher and students | 第56-57页 |
| ·Discussion about designing task | 第57-58页 |
| Chapter VII Conclusion | 第58-61页 |
| ·Major Findings | 第58页 |
| ·Pedagogical Implications | 第58-59页 |
| ·limitations of the present study | 第59页 |
| ·Suggestions for further research | 第59-61页 |
| References | 第61-63页 |
| Appendixes | 第63-78页 |
| Appendix I: | 第63-64页 |
| Appendix II: Raw scores of writing tests | 第64-66页 |
| Appendix III: The outline of Post-program interview | 第66-67页 |
| Appendix IV Pre-test writing material | 第67页 |
| Appendix V Post-test writing material | 第67-68页 |
| Appendix VI 作文材料及课堂教学中主要使用的任务类型 | 第68-78页 |
| Acknowledgements | 第78页 |
