| 摘要 | 第1-5页 |
| Abstract | 第5-8页 |
| Chapter 1 Introduction | 第8-11页 |
| ·Purpose and Significant of the Present Study | 第9页 |
| ·Aim | 第9页 |
| ·Material | 第9-11页 |
| Chapter 2 Theoretical Foundations | 第11-23页 |
| ·Theoratical Basis | 第11-12页 |
| ·Behaviorism and Innatism | 第11页 |
| ·Interactionism | 第11-12页 |
| ·Explict and Implicit Vocabulary Teaching | 第12页 |
| ·Task-based Language Teaching | 第12-16页 |
| ·Definition of "Task" | 第13-15页 |
| ·Criteria of Pedagogical Tasks | 第15页 |
| ·Task Types and Their Characteristics | 第15-16页 |
| ·Previous Research on TBLT | 第16-18页 |
| ·Principles of Task-based Language Teaching | 第18-19页 |
| ·Interaction Hypothesis | 第18-19页 |
| ·Focus on Form | 第19页 |
| ·Assessing Vocabulary Knowledge | 第19-23页 |
| ·Depth of Vocabulary Knowledge | 第19-21页 |
| ·Word Meaning Retention and Task-induced Involvement Load | 第21-22页 |
| ·Previous Research on the Task-induced Involvement Load | 第22-23页 |
| Chapter 3 Analysis and Discussion | 第23-45页 |
| ·Methodology and Teaching Procedure | 第23-25页 |
| ·Comparison between the pre-test and immdiate post-test | 第25-29页 |
| ·Data From the Immediate Post-test | 第29-35页 |
| ·Characteristics of the Two Tasks | 第31-32页 |
| ·Pupils Performance on Each Question of the Immediate Post-test | 第32-35页 |
| ·Word Meaning Retention | 第35-41页 |
| ·Comparison of the Two Groups' Performance in Delayed Post-test | 第35-36页 |
| ·Comparison Between the Immediate and Delayed Post-tests | 第36-38页 |
| ·Comparison of the Task-induced Involvement Load Between Two Task | 第38-41页 |
| ·Data from the Questionnaire | 第41-45页 |
| Chapter 4 Conclusion | 第45-47页 |
| Bibliography | 第47-51页 |
| 发表论文和参加科研情况说明 | 第51-52页 |
| Acknowledgements | 第52-53页 |
| Appendix Ⅰ | 第53-55页 |
| Appendix Ⅱ | 第55-59页 |
| Appendix Ⅲ | 第59-62页 |
| 附录 | 第62页 |
