声明
Chapter 1 Introduction
1.1 Research background
1.2 Research significance
1.3 Research objectives
1.4 Layout of the study
Chapter 2 Literature Review
2.1 Previous studies of discourse markers
2.1.1 The discourse coherence perspective
2.1.2 The semantic-pragmatic perspective
2.1.3 The relevance theoretic perspective
2.2 Previous studies of adaptation theory
2.3 Previous studies of American presidential debates
Chapter 3 Theoretical Framework and Methodology
3.1 Verschueren’s adaptation theory
3.1.1 Making choices
3.1.2 Three properties of language
3.1.3 Four angles of investigation
3.2 Data source
3.3 Research methods and tools
Chapter 4 Analysis of Discourse Markers from the Perspective of Adaptation Theory
4.1 Results of data analysis
4.2 Adaptation of discourse markers to communicative contexts
4.2.1 Adaptation to mental world
4.2.2 Adaptation to social world
4.2.3 Adaptation to physical world
4.3 Adaptation of discourse markers to linguistic contexts
4.4 Production of dynamics of adaptability in the debates
4.5 Metapragmatic awareness indicated by discourse markers
4.5.1 Discourse markers as indication of starting a new topic
4.5.2 Discourse markers as indication of expressing attitudes
4.5.3 Discourse markers as indication of illustration
4.5.4 Discourse markers as indication of supplementary instruction
Chapter 5 Conclusion
5.1 Major findings of the study
5.2 Implications of the study
5.3 Limitations of the study
5.4 Suggestions for further study
参考文献
致谢
