| Abstract in English | 第3-5页 |
| Abstrack in Chinese | 第6-9页 |
| Abbreviations | 第9-12页 |
| 1 Introduction | 第12-18页 |
| 1.1 Background of the Research | 第12-15页 |
| 1.1.1 Requirements of the Features of English Subject | 第12-13页 |
| 1.1.2 Requirements of the Current Situation of English Teaching | 第13-14页 |
| 1.1.3 Requirements of the New Curriculum | 第14页 |
| 1.1.4 Requirements of Social Development | 第14-15页 |
| 1.2 Purpose and Significance of the Research | 第15-18页 |
| 1.2.1 Purpose of the Research | 第15页 |
| 1.2.2 Significance of the Research | 第15-18页 |
| 2 Literature Review | 第18-28页 |
| 2.1 Peer Relationship | 第18页 |
| 2.2 Peer Interaction | 第18-19页 |
| 2.3 Peer Scaffolding | 第19-21页 |
| 2.3.1 Origin of Scaffolding | 第19-20页 |
| 2.3.2 the Function of Scaffolding | 第20-21页 |
| 2.3.3 Peer Scaffolding | 第21页 |
| 2.4 Related Research Abroad and at Home | 第21-26页 |
| 2.4.1 Research Abroad | 第22-23页 |
| 2.4.2 Research at Home | 第23-26页 |
| 2.5 the Commentary of Literature Review | 第26-28页 |
| 3 Theoretical Basis | 第28-34页 |
| 3.1 the Theoretical Basis of Peer Scaffolding | 第28-30页 |
| 3.1.1 Interaction Hypothesis Theory | 第28-29页 |
| 3.1.2 Sociocultural Theory | 第29页 |
| 3.1.3 Educational theory | 第29-30页 |
| 3.2 the Theory of Conversation Analysis | 第30-34页 |
| 3.2.1 The Basic Concept of Conversation Analysis | 第30页 |
| 3.2.2 The Corpus View of Conversation Analysis | 第30-31页 |
| 3.2.3 the Transfer System of Conversation Analysis | 第31-34页 |
| 4 Research Design | 第34-40页 |
| 4.1 Research Questions | 第34页 |
| 4.2 Research Subjects | 第34-35页 |
| 4.3 Research Instruments | 第35-36页 |
| 4.4 Research Procedure | 第36-40页 |
| 4.4.1 Date Collection | 第36-38页 |
| 4.4.2 Data Analysis | 第38-40页 |
| 5 Data Analysis and Discussion | 第40-60页 |
| 5.1 Results and Analysis of the Questionnaire | 第40-45页 |
| 5.1.1 Students' Attitudes towards Group Interaction | 第40-41页 |
| 5.1.2 the Current Situation of Peer’s Help in English class group interaction | 第41-45页 |
| 5.2 Result and Analysis of the Recording | 第45-51页 |
| 5.2.1 Quantitative Results and Analysis of Peer Scaffolding in Key Class | 第45-47页 |
| 5.2.2 Quantitative Results and Analysis of Peer Scaffolding in regular Class | 第47-48页 |
| 5.2.3 The Distribution of Each Peer Scaffolding in Key Class and Regular Class | 第48-51页 |
| 5.3 The Actual Effect of Peer Scaffolding on Students’ Learning | 第51-57页 |
| 5.4 Summarized Problems | 第57-60页 |
| 6 Conclusion | 第60-66页 |
| 6.1 Major Findings | 第60-61页 |
| 6.2 Suggestions | 第61-64页 |
| 6.3 Limitations | 第64-66页 |
| Bibliography | 第66-70页 |
| Appendix A | 第70-72页 |
| Appendix B | 第72-74页 |
| Publications | 第74-76页 |
| Acknowledgements | 第76页 |
