| Acknowledgements | 第1-4页 |
| Abstract | 第4-6页 |
| 摘要 | 第6-12页 |
| Abbreviations in this Thesis | 第12-13页 |
| A List of Tables and Figures | 第13-14页 |
| Chapter One Introduction | 第14-22页 |
| ·Background to the Research | 第14-16页 |
| ·Purpose of the Study | 第16页 |
| ·Research Questions | 第16-17页 |
| ·Significance of the Study | 第17-19页 |
| ·Improving English speaking proficiency | 第17-18页 |
| ·Investigating an effective approach for oral English teaching | 第18-19页 |
| ·Definitions of the Key Terms | 第19-20页 |
| ·Task-based language teaching | 第19页 |
| ·PPP approach | 第19页 |
| ·Task | 第19-20页 |
| ·Overview of the Thesis | 第20-22页 |
| Chapter Two Literature Review | 第22-37页 |
| ·Rational for Task-based Language Teaching | 第22-24页 |
| ·Definitions of Task | 第24-25页 |
| ·Task Types,Task Variables and Task Dimension | 第25-27页 |
| ·Perspectives to Task-based Learning | 第27-32页 |
| ·The interaction hypothesis perspective | 第27-28页 |
| ·The output hypothesis perspective | 第28-29页 |
| ·Skehan's cognitive perspective | 第29-30页 |
| ·The socio-cultural perspective | 第30-32页 |
| ·Task-based Learning and Language Instruction | 第32-35页 |
| ·Willis and task-based instruction | 第32页 |
| ·Willis's model for task-based instruction | 第32-35页 |
| ·Presentation Practice Production(PPP) | 第35-37页 |
| Chapter Three Methodology | 第37-52页 |
| ·Research Questions | 第37页 |
| ·Subjects | 第37-38页 |
| ·Instruments | 第38-42页 |
| ·Pilot study | 第38页 |
| ·Two questionnaires | 第38-40页 |
| ·Oral English proficiency test of pre-test and post-test | 第40页 |
| ·Classroom observation | 第40-41页 |
| ·An interview | 第41-42页 |
| ·Implementation of Task-based Language Approach on Experiment | 第42-48页 |
| ·Pre-experimental phase | 第42-43页 |
| ·During-experimental phase | 第43-48页 |
| ·Post-experimental phase | 第48页 |
| ·Data-collection | 第48-50页 |
| ·Data-collection for oral English pre-and post-test | 第48-49页 |
| ·Data-collection for interview | 第49-50页 |
| ·Data-collection for questionnaire | 第50页 |
| ·Data-analysis | 第50-52页 |
| Chapter Four Results and Discussion | 第52-77页 |
| ·Differences in oral English Pre-test between the experimental group and the control group | 第52-53页 |
| ·Effects of Task-based Language Teaching Approach on Oral English Performance of Experimental Group | 第53-56页 |
| ·Descriptive statistics of pre-and post-test of the experimental group in oral English performance | 第53-55页 |
| ·Differences of the experimental group in pre-test and post-test of oral English performance | 第55-56页 |
| ·Summary of oral English test for experimental group | 第56页 |
| ·Differences in Oral English Teaching Between Task-based and 3P Approaches | 第56-77页 |
| ·Differences in English oral English achievement between the two groups | 第57-59页 |
| ·Differences in oral English achievement between the pre-test and post-test of the control group | 第57-58页 |
| ·Differences in oral English post-test between experimental group and control group | 第58-59页 |
| ·Summary of oral English test for the two groups | 第59页 |
| ·Differences in oral English teaching method questionnaire between the two groups | 第59-63页 |
| ·Summary of questionnaires for the two groups | 第63-64页 |
| ·Differences in classroom observation of the two groups | 第64-67页 |
| ·Summary of classroom observation for the two groups | 第67页 |
| ·Difference in interview of the two groups | 第67-76页 |
| ·Students' attitudes towards the two teaching methods | 第68-72页 |
| ·Acquiring form the two teaching methods | 第72-76页 |
| ·Summary of interviews for the two groups | 第76-77页 |
| Chapter Five Conclusion | 第77-83页 |
| ·Major Findings | 第77-78页 |
| ·Pedagogical Implication | 第78-81页 |
| ·Implementing the task-based language instruction effectively in oral English teaching | 第78-80页 |
| ·Helping low achievers improve their speaking proficiency by the task-based approach | 第80-81页 |
| ·Suggestions for Future Research | 第81-83页 |
| ·Suggested research topics | 第81-82页 |
| ·Suggestions for research methodologies | 第82-83页 |
| References | 第83-89页 |
| Appendixes | 第89-116页 |
| Appendix 1 Questionnaire on Students' English Preferences | 第89-91页 |
| Appendix 2 Spoken English Test(Pre-test) | 第91-94页 |
| Appendix 3 Spoken English Test(Post-test) | 第94-97页 |
| Appendix 4 Questionnaire on Task-based Language Teaching/PPP Approach | 第97-99页 |
| Appendix 5 Task-based/PPP Approach Classroom Observation Checklist | 第99-100页 |
| Appendix 6 Task-based/PPP Approach Interview | 第100-101页 |
| Appendix 7 A Sample Design of TBLT Application | 第101-104页 |
| Appendix 8 Language Checkers' Sheet | 第104-105页 |
| Appendix 9 Hua Xi 1-day Tour | 第105-106页 |
| Appendix 10 Marking Scheme for Speaking Test | 第106-108页 |
| Appendix 11 Oral English Pre-test and Post-test of control group and experimental group | 第108-112页 |
| Appendix 12 Teaching Approach Questionnaires for control group and experimental group | 第112-116页 |