文摘
英文文摘
论文说明：Abbreviations、List of Tables and Figures
大连海事大学学位论文原创性声明和使用授权说明
Chapter 1 Introduction
1.1 Research Background
1.2 Purpose of this Study and Research Questions
1.3 Terminological Issues
1.4 Layout of the Thesis
Chapter 2 Literature Review
2.1 Theoretical Background
2.1.1 Previous Researches Carried out Abroad
2.1.2 Previous Researches Carried out at Home
2.2 Interlanguage
2.2.1 Definition of Interlanguage
2.2.2 Stages of Interlanguage Development
2.3 Error Analysis
2.3.1 Definition of Errors
2.3.2 Sources of Errors
2.3.3 Procedures of Error Analysis
2.4 Connectors
2.4.1 Halliday's Theory on Cohesion
2.4.2 Classification of Connectors by Halliday
2.5 Classification of Causal Connectors in this Thesis
2.5.1 Causal Conjunctions
2.5.2 Adverbial Causal Connectors
2.5.3 Prepositional Causal Connectors
Chapter 3 Methodology
3.1 The Corpora Used in this Study
3.2 Corpus-based Analysis and CIA
3.3 Data Collection and Processing
3.3.1 Tools and Software
3.3.2 Data Collection and Processing Procedures
3.4 Manual Work
Chapter 4 Data Analysis and Discussion
4.1 Frequencies of Causal Connectors in St4 and COCNUS
4.2 Comparison of ttr-value of Causal Connectors in St4 and COCNUS
4.3 The Overused and Underused Causal Connectors in St4
4.4 The Proportion of SO and BECAUSE
4.4.1 Comparison of SO in St4 and COCNUS
4.4.2 Comparison of BECA USE in St4 and COCNUS
4.5Comparison of Informal SO and Formal THEREFORE,THUS,HENCE,and SINCE
4.6 Comparison of the Position of Adverbial Causal Connectors in St4 and COCNUS
4.6.1 Comparison of THEREFORE
4.6.2 Comparison of THUS
4.6.3 Comparison of HENCE
4.7 Comparison of Logical Pattern
4.8 Relationship between the Use of Causal Connectors and Writing Quality
Chapter 5 Conclusion
5.1 Main Findings
5.2 Implications
5.3 Limitations and Further Study
References
Appendices
Publication
Acknowledgements
Resume
