| Abstract | 第1-7页 |
| 摘要 | 第7-8页 |
| Abbreviations | 第8-9页 |
| List of Figures and Tables | 第9-10页 |
| 1. Introduction | 第10-16页 |
| ·The background of the study | 第10-13页 |
| ·The importance of high school English written expression | 第10页 |
| ·The requirements of teaching high school English written expression in China | 第10-12页 |
| ·The problems in teaching of English written expression in high schools in China | 第12-13页 |
| ·The purpose of the study | 第13页 |
| ·The significance of the study | 第13-14页 |
| ·The organization of the study | 第14-16页 |
| 2. Literature review | 第16-28页 |
| ·Key terms | 第16-18页 |
| ·NBLT or WBLT | 第16页 |
| ·QQ software | 第16-17页 |
| ·Process writing | 第17-18页 |
| ·Related studies on teaching of English written expression based on NBLT | 第18-22页 |
| ·Studies abroad | 第18-20页 |
| ·Studies in China | 第20-22页 |
| ·Related studies on teaching of English written expression | 第22-25页 |
| ·Studies abroad | 第22-23页 |
| ·Studies in China | 第23-25页 |
| ·Related studies on English teaching with QQ in China | 第25页 |
| ·Related studies on teaching of English written expression with QQ in China | 第25页 |
| ·Advantages and disadvantages of previous studies | 第25-26页 |
| ·The innovation of the study | 第26-28页 |
| 3. Theoretical framework | 第28-34页 |
| ·Background of educational technological application development | 第28-29页 |
| ·Socio-cognitive linguistic of teaching English written expression based on NBLT | 第29-30页 |
| ·Process writing approach | 第30-32页 |
| ·Swain’s comprehensible output hypothesis | 第32页 |
| ·Intrinsic Motivational Theory | 第32-34页 |
| 4. Research implementation and results | 第34-46页 |
| ·Research questions | 第34页 |
| ·Research subjects | 第34页 |
| ·Research instruments | 第34-37页 |
| ·Test | 第34-35页 |
| ·Questionnaire | 第35-37页 |
| ·Experimental conditions and environment settings | 第37-38页 |
| ·Research process | 第38-46页 |
| ·Pre-Test | 第38页 |
| ·The preparation of training | 第38-39页 |
| ·Training plan for treatment group | 第39-45页 |
| ·Training plan for the control group | 第45页 |
| ·Post-Test | 第45-46页 |
| 5. Results and analysis | 第46-54页 |
| ·Results and analysis of students’ proficiency in computer using | 第46-48页 |
| ·Results and analysis of English composition scores | 第48-50页 |
| ·Pre-test | 第48页 |
| ·Post-test | 第48-50页 |
| ·Results and analysis of English written expression interests | 第50-51页 |
| ·Pre-test | 第50页 |
| ·Post-test | 第50-51页 |
| ·Results and analysis of English written expression skills | 第51-53页 |
| ·Pre-test | 第51页 |
| ·Post-test | 第51-53页 |
| ·Correlation between QQ using and English written expression achievements | 第53-54页 |
| 6. Conclusion and discussion | 第54-58页 |
| ·Conclusion | 第54页 |
| ·Conclusion on English written expression achievements | 第54页 |
| ·Conclusion on English written expression interests | 第54页 |
| ·Conclusion on English written expression skills | 第54页 |
| ·Discussion | 第54-58页 |
| ·Findings | 第54-56页 |
| ·Limitations and suggestions for further research | 第56-58页 |
| References | 第58-61页 |
| Appendix I Written expression of junior school completion and senior school enhance English | 第61-62页 |
| Appendix II Written expression of The first term final examination of senior one | 第62-64页 |
| Appendix III Questionnaire I | 第64-67页 |
| Appendix IV Questionnaire II | 第67-69页 |
| Appendix V Questionnaire III | 第69-72页 |
| Appendix VI Online written expression of peer evaluation (He, 2007) | 第72-73页 |
| Appendix VII Teaching plan for the treatment group | 第73-85页 |
| Appendix VIII Teaching plan for the control group | 第85-88页 |
| Appendix IX Data of students’ proficiency in computer using | 第88-90页 |
| Appendix X Data of students’ composition scores, writing interests scores and writing skills scores | 第90-92页 |
| Appendix XI Data of correlation between QQ using and English written expression achievements | 第92-94页 |
| Acknowledgements | 第94页 |
