声明
摘要
Abstract
Contents
Chapter 1 Introduction
1．1 Research Background
1．2 Methodology
1．3 Objectives
1．4 Significance of the Study
1．5 Structure of the Study
Chapter 2 Literature Review
2．1 Review of Previous Research on Political Speeches Abroad and at Home
2．1．1 Previous Research on Political Speeches Abroad
2．1．2 Previous Research on Political Speeches at Home
2．2 Review of CDA in the West and in China
2．2．1 CDA in the West
2．2．2 CDA in China
2．2．3 Some Important Concepts in CDA
Chapter 3 Theoretical Basis
3．1 Analytical Framework—Fairclough’s Three-Dimensional Model
3．2 Analytical Tool—Based on Systemic-Functional Grammar
3．2．1 The Relationship between CDA and SFG
3．2．2 Analytical Tool—Transitivity in Halliday’s Functional Grammar
3．3 Summary
Chapter 4 Analysis on Barack Obama’s Four General Debates
4．1 Description
4．1．1 Transitivity
4．1．2 Main Participants
4．1．3 Summary
4．2 Interpretation
4．2．1 Transitivity
4．2．2 The Relationship among Main Participants
4．2．3 Summary
4．3 Explanation
4．3．1 Social Background and Main Content of Sample One
4．3．2 Social Background and Main Content of Sample Two
4．3．3 Social Background and Main Content of Sample Three
4．3．4 Social Background and Main Content of Sample Four
4．3．5 The Relationship of Language，Ideology and Power Reflected in Four Samples
Chapter 5 Conclusion
5．1 Major Findings in This Study
5．2 Implications of This Study
5．3 Limitations of This Study and Suggestions for Further Research
Bibliography
Acknowledgments
Publications
