| 中文摘要 | 第1-6页 |
| Abstract | 第6-10页 |
| Chapter I Introduction | 第10-13页 |
| ·Motivation and significance of the study | 第10-11页 |
| ·Purpose of the study | 第11-12页 |
| ·Layout of the thesis | 第12-13页 |
| Chapter II Literature Review | 第13-31页 |
| ·On oral English teaching | 第13-21页 |
| ·Recapitulation of some basic concepts applicable to oral English teaching | 第13-16页 |
| ·Recent studies on oral English teaching in China and abroad | 第16-21页 |
| ·On fossilization | 第21-26页 |
| ·Interpreting fossilization | 第21-23页 |
| ·Causal factors of fossilization | 第23-26页 |
| ·On attrition | 第26-30页 |
| ·Interpreting attrition | 第26-28页 |
| ·Variables influencing L2/FL attrition | 第28-30页 |
| ·Summary | 第30-31页 |
| Chapter III Research Method | 第31-38页 |
| ·Research questions | 第31页 |
| ·Participants | 第31-33页 |
| ·Instruments | 第33-35页 |
| ·Test | 第33-34页 |
| ·Questionnaire | 第34-35页 |
| ·Procedures of data analysis | 第35-36页 |
| ·Summary | 第36-38页 |
| Chapter IV Data Analysis and Discussion | 第38-62页 |
| ·Test results: investigating the actuality of oral fossilization and attrition | 第38-48页 |
| ·Paired differences on articles | 第41-42页 |
| ·Paired differences on inflections of plurals | 第42-43页 |
| ·Paired differences on third person singular-s | 第43-44页 |
| ·Paired differences on past tense markings | 第44-45页 |
| ·Paired differences on personal pronouns | 第45-46页 |
| ·Paired differences on tag questions | 第46-47页 |
| ·Actuality of oral fossilization and attrition | 第47-48页 |
| ·Questionnaire results: exploring the causal factors of oral fossilization and attrition | 第48-60页 |
| ·Causal factor I: the environmental dimension | 第50-53页 |
| ·Causal factor II: the teacher dimension | 第53-57页 |
| ·Causal factor III: the student dimension | 第57-60页 |
| ·Summary | 第60-62页 |
| Chapter V Suggested Solutions to Oral Fossilization and Attrition | 第62-74页 |
| ·On the part of the teacher | 第62-67页 |
| ·Optimizing teaching philosophy by fostering teacher autonomy | 第62-63页 |
| ·Improving instructional language | 第63-64页 |
| ·Facilitating English teaching with more effective use of multimedia resources | 第64-66页 |
| ·Updating assessment methods | 第66-67页 |
| ·On the part of the student | 第67-73页 |
| ·Doing aural activities in a more effective way | 第67-69页 |
| ·Performing oral activities in a more resultful way | 第69-70页 |
| ·Paying attention to learning cultural matters | 第70-71页 |
| ·Avoiding thinking by translation | 第71-73页 |
| ·Summary | 第73-74页 |
| Chapter VI Conclusion | 第74-76页 |
| ·Summary of major findings | 第74页 |
| ·Implications for teachers and students | 第74-75页 |
| ·Limitations of the study and suggestions for future research | 第75-76页 |
| References | 第76-80页 |
| Appendix I | 第80-82页 |
| Appendix II | 第82-84页 |
| Acknowledgemengts | 第84页 |
