中文摘要
Abstract
Chapter 1 Introduction
1.1 The Background Information of Abstracts Writing
1.1.1 Definition of Abstract
1.1.2 The Significance of Writing a Good Abstract
1.1.3 Study of Abstract Writing at Home and Abroad
1.2 Significance of the Study of Abstract Writing
1.2.1 Features of the Present Study
1.2.2 Significance of the Present Study
1.3 Overview of the Thesis
Chapter 2 Literature Review
2.1 A Critical Survey of Abstract Writing
2.1.1 Types/Patterns of Abstracts
2.1.2 Structure/Contents of Abstracts
2.1.3 Qualities of a Good Abstract
2.2 Thematic Progression
2.2.1 Danes' Concept of Thematic Progression
2.2.2 Other Theories on Thematic Progression
2.3 Lexical Richness
2.3.1 Lexical Variation
2.3.2 Lexical Frequency Profile
2.3.3 Lexical Density
Chapter 3 Method
3.1 Research Questions
3.2 Data Collection
3.3 Instruments
3.4 Data Processing
Chapter 4 Results and Discussion
4.1 General Survey
4.1.1 Length of the Abstracts
4.1.2 Number of Sentences per Abstract
4.1.3 Mean Sentence Length
4.2 Type and Structure
4.2.1 Type
4.2.2 Structure
4.3 Analysis of Thematic Progression
4.3.1 Five Types of Thematic Patterns Identified in CWD and NSWD
4.3.2 Imperfectly Formed Thematic Progression Patterns in CWD
4.3.3 Well Formed Thematic Progression Patterns in NSWD
4.4 Lexical Richness
4.4.1 Lexical Variation
4.4.2 Lexical Frequency Profile
4.4.3 Lexical Density
Chapter 5 Conclusion
5.1 Findings
5.2 Pedagogical Implications
5.3 Limitations of the Study
References
Appendix
Acknowledgements
研究生履历
大连海事大学;
