摘要4-5
Abstract5-8
Chapter 1 Introduction8-13
1.1 Research background8-11
1.2 Research significance and hypothesis11-12
1.3 Layout of the thesis12-13
Chapter 2 Literature Reviews13-26
2.1 Krashen’s input theory13-18
2.1.1 The Concept of comprehensible input13-14
2.1.2 The characteristic of language input hypothesis14-15
2.1.3 Comment on input hypothesis15
2.1.4 The research on input abroad15-16
2.1.5 Research on input hypothesis in China16-18
2.2 Swan’s output theory18-20
2.2.1 The content of output theory19
2.2.2 The importance of output in second language acquisition19-20
2.3 The relationship between input and output20-22
2.4 The relationship between input and writing, output and writing22-23
2.4.1 The relationship between input and writing22
2.4.2 The relationship between output and writing22-23
2.5 The Present research of writing in China23-26
Chapter 3 Research design26-32
3.1 Research questions26
3.2 Subjects26
3.3 Instruments26-27
3.4 The procedure of the research27-32
3.4.1 The Introduction of the textbook and topics used in the investigation27-28
3.4.2 Preparation before writing28-30
3.4.3 The writing stage30-32
Chapter 4 Data Analysis and Discussion32-37
4.1 Data analysis of the questionnaires32-33
4.2 Data analysis of the pretest and posttest33-36
4.3 Discussion36-37
Chapter5 Conclusion37-40
5.1 Main findings37-38
5.2 imppcations38
5.3 Limitations of the research38
5.4 Suggestions for further research38-40
References40-41
Appendix Ⅰ41-42
Appendix Ⅱ42-43
Appendix Ⅲ43-44
Appendix Ⅳ44-45
Acknowledgements45