| Abstract (in English) | 第5-6页 |
| Abstract (in Chinese) | 第7-12页 |
| Chapter One Introduction | 第12-18页 |
| 1.1 Background of the research | 第12-14页 |
| 1.2 Purpose of this research | 第14-15页 |
| 1.3 Significance of this research | 第15-16页 |
| 1.3.1 Theoretical significance | 第15页 |
| 1.3.2 Practical significance | 第15-16页 |
| 1.4 Structure of this research | 第16-18页 |
| Chapter Two Literature Review | 第18-28页 |
| 2.1 Definition of blended learning | 第18-21页 |
| 2.2 Content of blended learning | 第21-24页 |
| 2.3 Traits of blended learning | 第24-25页 |
| 2.4 Studies on blended learning in English writing | 第25-27页 |
| 2.4.1 Studies abroad | 第25-26页 |
| 2.4.2 Studies at home | 第26-27页 |
| 2.5 Summary | 第27-28页 |
| Chapter Three Theoretical Basis | 第28-38页 |
| 3.1 Definition of activity theory | 第28-29页 |
| 3.2 Development of activity theory | 第29-34页 |
| 3.2.1 First generation of activity theory | 第30页 |
| 3.2.2 Second generation of activity theory | 第30-33页 |
| 3.2.3 Third generation of activity theory | 第33-34页 |
| 3.3 Principles of activity theory | 第34-35页 |
| 3.4 Relation between activity theory and English writing | 第35-37页 |
| 3.5 Summary | 第37-38页 |
| Chapter Four Methodology | 第38-53页 |
| 4.1 Research questions | 第38页 |
| 4.2 Subjects | 第38-39页 |
| 4.3 Instruments | 第39-42页 |
| 4.3.1 Writing tests | 第40-41页 |
| 4.3.2 Interview | 第41页 |
| 4.3.3 Reflective diary | 第41-42页 |
| 4.4 Research procedures | 第42-51页 |
| 4.4.1 Writing topics | 第43-44页 |
| 4.4.2 Writing process | 第44-51页 |
| 4.5 Data collection | 第51-53页 |
| Chapter Five Results and Discussion | 第53-77页 |
| 5.1 Results of quantitative research methods | 第53-59页 |
| 5.1.1 Results of EG’s and CG’s writing tests | 第53-56页 |
| 5.1.2 Results of different-level EG’s writing tests | 第56-59页 |
| 5.2 Results of qualitative research methods | 第59-70页 |
| 5.2.1 Results of interview | 第60-65页 |
| 5.2.2 Results of reflective diary | 第65-70页 |
| 5.3 Discussion | 第70-77页 |
| 5.3.1 Improvement of college students’ English writing performance | 第70-72页 |
| 5.3.2 Different impacts on different-level students’ writing performance | 第72-75页 |
| 5.3.3 Reasons of differences on different-level students’ writing | 第75-77页 |
| Chapter Six Conclusion | 第77-80页 |
| 6.1 Major findings | 第77-78页 |
| 6.2 Limitations of the present study | 第78-79页 |
| 6.3 Suggestions for the further study | 第79-80页 |
| References | 第80-88页 |
| Appendix Ⅰ Writing task of pre-test | 第88-89页 |
| Appendix Ⅱ Writing task of post-test | 第89-90页 |
| Appendix Ⅲ Scale of the Composition | 第90-91页 |
| Appendix Ⅳ Interview | 第91-92页 |
| Appendix Ⅴ List of Tables | 第92-93页 |
| Appendix Ⅵ List of Figures | 第93-94页 |
| Papers Published during MA Program | 第94-95页 |
| Acknowledgements | 第95-96页 |
