| Abstract | 第1-7页 |
| 中文摘要 | 第7-13页 |
| Chapter 1 Introduction | 第13-16页 |
| ·Overview of the study | 第13页 |
| ·Significance of the study | 第13-14页 |
| ·Overall structure of the thesis | 第14-16页 |
| Chapter 2 Literature Review | 第16-35页 |
| ·Definitions of tasks | 第16-18页 |
| ·Classifications of tasks | 第18-21页 |
| ·Real-world tasks and pedagogic tasks | 第18-19页 |
| ·Structure-oriented and communication-driven tasks | 第19-20页 |
| ·Unfocused and focused tasks | 第20-21页 |
| ·Simple tasks and complex tasks | 第21页 |
| ·Task components | 第21-26页 |
| ·Goals | 第22-23页 |
| ·Input | 第23-24页 |
| ·Activities | 第24-25页 |
| ·Learner roles | 第25页 |
| ·Teacher roles | 第25-26页 |
| ·Settings | 第26页 |
| ·Theoretical foundations | 第26-31页 |
| ·Interaction hypothesis | 第26-27页 |
| ·Input hypothesis | 第27-28页 |
| ·Sociocultural Theory | 第28-29页 |
| ·Constructivism | 第29-30页 |
| ·Humanism | 第30-31页 |
| ·Review of the previous studies on task-based English teaching at home and abroad | 第31-35页 |
| ·Previous studies abroad | 第31-33页 |
| ·Previous studies at home | 第33-35页 |
| Chapter 3 Methodology | 第35-42页 |
| ·Research questions | 第35页 |
| ·Research designs | 第35-42页 |
| ·Quantitative research design | 第35-40页 |
| ·Subjects | 第36页 |
| ·Instrument | 第36-39页 |
| ·Data collection and analysis | 第39-40页 |
| ·Qualitative study | 第40-42页 |
| ·Subjects | 第40页 |
| ·Instrument | 第40-41页 |
| ·Data collection and data analysis | 第41-42页 |
| Chapter 4 Results and Discussi | 第42-63页 |
| ·Results and discussion of the quantitative research | 第42-55页 |
| ·Teachers and students’understandings of tasks and task-based English teaching | 第42-47页 |
| ·Implementation of the new model in rural middle schools | 第47-51页 |
| ·Teachers’and students’attitude toward the implementation of the task-based English teaching | 第51-55页 |
| ·Results and discussion of the qualitative research | 第55-63页 |
| ·Unsuitable difficulty level of the tasks | 第55-56页 |
| ·Lack of qualified teaching staff | 第56-58页 |
| ·Lack of necessary support by the leadership | 第58-59页 |
| ·Negative effect of the examination-oriented education system | 第59-60页 |
| ·Unavailability of FL learning environment | 第60-63页 |
| Chapter 5 Conclusion | 第63-67页 |
| ·Major findings | 第63-64页 |
| ·Pedagogical implications | 第64-65页 |
| ·Limitations of the present study | 第65页 |
| ·Suggestions for future research | 第65-67页 |
| References | 第67-70页 |
| Appendix I Questionnaires on the current situation of task-based English teaching in Northern Jiangsu Province | 第70-76页 |
| Appendix II Mean ,Standard Deviation and percentages of the Questionnaire Items（Teachers’） | 第76-80页 |
| Appendix III Mean, Standard Deviation and percentages of the Questionnaire Items（Students’） | 第80-83页 |
| Appendix IV The teaching model and the Corresponding Questionnaire Items（Teachers’） | 第83-84页 |
| Appendix V The model and the Corresponding Questionnaire Items（Students’） | 第84-85页 |
| 攻读学位期间发表的学术论文 | 第85页 |
