声明
List of Abbreviations
Chapter I Introduction
1.1 Academic Writing:Complexity and Significance
1.2 Hedging Devices:Significance and Impact
1.3 Purpose of the Study
1.4 Structure of the Dissertation
Chapter II Literature Review
2.1 Studies on Definition and Taxonomy of Hedges
2.2 Studies on the Interpersonal Function of Hedges
2.3 Studies on Appropriateness of Hedges
Chapter III Theoretical Perspectives
3.1 Aristotle’s Rhetoric Theory
3.2 Bakhtin’s Theory of Heteroglossia
3.3 Habermas’s Theory on Communicative Action
Chapter IV Research Methodology
4.1 Research Questions
4.2 Data Collection and Analysis Procedures
4.3 Tools
Chapter V Findings and Discussions
5.1 Differences in Terms of Quantity
5.2 Differences in Terms of Value Level
5.3 Discussions of the Findings
Chapter VI Conclusion and Implications
6.1 Major Findings
6.2 Pedagogical Implications
6.3 Limitations of the Present Study
参考文献
致谢