| Acknowledgements | 第1-6页 |
| Abstract | 第6-8页 |
| 摘要 | 第8-16页 |
| Chapter One Introduction | 第16-20页 |
| ·Introduction to the study | 第16页 |
| ·Background to the study | 第16-18页 |
| ·Significance of the study | 第18页 |
| ·Focus of the study | 第18-19页 |
| ·Outline of the study | 第19-20页 |
| Chapter Two Literature Review | 第20-33页 |
| ·Introduction | 第20页 |
| ·Definition of a native and non-native speaker | 第20-21页 |
| ·Dichotomy between native speakers and non-native speakers | 第21-23页 |
| ·Major studies related to NESTs and NNESTs abroad | 第23-30页 |
| ·The differences of teaching behaviors between NESTs and NNESTS | 第23-24页 |
| ·Advantages of NNESTs and disadvantages of NESTs | 第24-27页 |
| ·Disdvantages of NNESTs | 第27-28页 |
| ·Advantages of NESTs | 第28-30页 |
| ·The studies on NESTs and NNESTs at home | 第30-32页 |
| ·Summary | 第32-33页 |
| Chapter Three Methodology | 第33-39页 |
| ·Introduction | 第33页 |
| ·Aims and research questions | 第33页 |
| ·The samples of study | 第33-36页 |
| ·The NESTs and NNESTs sample | 第33-35页 |
| ·The students sample | 第35页 |
| ·An introduction on the set oral English coursebook | 第35-36页 |
| ·Methods and procedures | 第36-38页 |
| ·Step One:preparation and classroom observation period | 第36-37页 |
| ·Step Two:teachers'questionnaire period | 第37页 |
| ·Step Three:the students'evaluation period | 第37-38页 |
| ·Summary | 第38-39页 |
| Chapter Four Results and Discussion | 第39-60页 |
| ·Introduction | 第39页 |
| ·Analysis of the observed oral English classes | 第39-45页 |
| ·The Differences of time distribution of NESTs and NNESTs on the types of classroom teaching | 第39-41页 |
| ·The Differences between NESTs and NNESTs in terms of oral coursebooks | 第41-44页 |
| ·The Differences on giving background knowledge and explaining western culture | 第44-45页 |
| ·Analysis of teachers'questionnaire | 第45-52页 |
| ·The differences in terms of coursebook between NESTs and NNESTs | 第45-48页 |
| ·Differences on teaching belief between NESTs and NNESTs | 第48-49页 |
| ·The biggest challenges in oral English teaching at present | 第49-50页 |
| ·Advantages and disadvantages between NESTs and NNESTs | 第50-52页 |
| ·Analysis of the students'questionnaire | 第52-59页 |
| ·Comparison the differences between NESTs and NNESTs | 第52-56页 |
| ·Comparison on respective advantages and disadvantages of NESTs and NNESTs | 第56-57页 |
| ·Students'comments on oral English teaching at present | 第57-59页 |
| ·Summary | 第59-60页 |
| Chapter Five Conclusions | 第60-68页 |
| ·Introduction | 第60页 |
| ·Summary of the main findings | 第60-62页 |
| ·Implications for college oral English teaching in China | 第62-66页 |
| ·Coursebooks use | 第62-63页 |
| ·Teacher's professional development | 第63-64页 |
| ·Collaboration between NESTs and NESTs | 第64-65页 |
| ·Evaluation criterion for NESTs'classroom teaching | 第65页 |
| ·Course assignment for NESTs and NNESTs | 第65-66页 |
| ·Suggestions from the study on improving the proficiency of oral English teaching | 第66页 |
| ·Limitations of the study | 第66-67页 |
| ·Recommendations for further research | 第67-68页 |
| References | 第68-73页 |
| Appendix Ⅰ | 第73-75页 |
| Appendix Ⅱ | 第75-77页 |
| Appendix Ⅲ | 第77-80页 |
| Appendix Ⅳ | 第80-82页 |
| Appendix Ⅴ | 第82-88页 |
| Major Publications | 第88-89页 |
| Curriculum Vitae | 第89页 |
