| English Abstract | 第4页 |
| Chinese Abstract | 第5-8页 |
| Part One Introduction | 第8-10页 |
| Part Two Literature Collection of TBLT | 第10-21页 |
| 2.1 General introduction of TBLT | 第10-13页 |
| 2.1.1 Task-based language teaching | 第10-11页 |
| 2.1.2 The definitions of tasks | 第11-13页 |
| 2.2 The rationale for task-based language teaching | 第13-17页 |
| 2.2.1 Theory of language | 第13-14页 |
| 2.2.2 Theory of learning | 第14页 |
| 2.2.3 The hypotheses of input, interaction and output within SLT theory | 第14-16页 |
| 2.2.4 The social-cultural theory | 第16-17页 |
| 2.3 The principles of task-based language teaching | 第17-19页 |
| 2.3.1 Willis’principles of task-based language teaching | 第17页 |
| 2.3.2 Skehan’s principles of task-based language teaching | 第17-19页 |
| 2.4 Willis’framework for task-based language teaching | 第19-21页 |
| Part Three The Application of TBLT in Oral Class | 第21-34页 |
| 3.1 Background | 第21-22页 |
| 3.2 Procedures of the application of TBLT in oral class | 第22-31页 |
| 3.2.1 Task design | 第22-24页 |
| 3.2.2 Procedures of implementation of TBLT | 第24-31页 |
| 3.3 Roles of the teacher and learners | 第31-34页 |
| Part Four The Experimental Research | 第34-42页 |
| 4.1 Aims and subjects | 第34页 |
| 4.2 Data analysis | 第34-40页 |
| 4.2.1 Analysis of pretest and posttest | 第34-36页 |
| 4.2.2 Analysis of the questionnaire | 第36-40页 |
| 4.3 Summary of findings | 第40-42页 |
| Part Five Conclusions and Suggestions | 第42-44页 |
| References | 第44-47页 |
| Appendix | 第47-50页 |
| Acknowledgements | 第50页 |
