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基于语料库的语块使用与英语写作水平的相关性研究

Acknowledgements第4-5页
Abstract第5-6页
摘要第7-13页
Chapter 1 Introduction第13-17页
    1.1 Background of the Research第13-14页
    1.2 Purpose and Significance第14-16页
    1.3 Structure of the Thesis第16-17页
Chapter 2 Literature Review第17-37页
    2.1 Diversity of Terminology第17-18页
    2.2 Definition of Lexical Chunks第18-20页
    2.3 Identification of Lexical Chunks第20-22页
    2.4 Categorizations of Lexical Chunks第22-25页
        2.4.1 The Structure Aspect第22-24页
        2.4.2 The Function Aspect第24-25页
    2.5 Functions of Lexical Chunks in Writing第25-29页
        2.5.1 Improving the Fluency of Writing第25-26页
        2.5.2 Improving the Accuracy of Writing第26页
        2.5.3 Improving the Idiomaticity of Writing第26-27页
        2.5.4 Promoting Language Processing第27-28页
        2.5.5 Promoting Discourse Structure第28-29页
    2.6 Theoretical Foundation of Lexical Chunks第29-31页
        2.6.1 Dual Model of Language Acquisition第29-30页
        2.6.2 The Lexical Approach第30页
        2.6.3 Lexical Phrase Approach第30-31页
    2.7 Related Studies at Home and Abroad第31-37页
        2.7.1 Related Studies Abroad第31-33页
        2.7.2 Related Studies at Home第33-37页
Chapter 3 Methodology第37-46页
    3.1 Research Questions第37页
    3.2 Subjects第37页
    3.3 Instruments第37-42页
        3.3.1 The Corpus-based Approach第37-39页
        3.3.2 The Corpus Involved第39-40页
        3.3.3 The Software Used第40-42页
    3.4 Procedures第42-46页
        3.4.1 Data Collection第42-43页
        3.4.2 Identification and Extraction of Lexical Chunks第43-44页
        3.4.3 Categorizing Lexical Chunks第44-45页
        3.4.4 Data Analysis第45-46页
Chapter 4 Results and Discussion第46-55页
    4.1 General Characteristics of Lexical Chunks第46-48页
        4.1.1 Frequency and Variety of Lexical Chunks第46页
        4.1.2 The Most Frequently Used Lexical Chunks第46-48页
    4.2 Differences between Two Groups in the Use of Lexical Chunks第48-54页
        4.2.1 Differences in Frequency between Two Groups第50页
        4.2.2 Differences in Variety between Two Groups第50-51页
        4.2.3 Differences in Distribution between Two Groups第51-54页
    4.3 Relationship between the Use of Lexical Chunks and Writing Proficiency第54-55页
Chapter 5 Conclusion第55-62页
    5.1 Major Findings第55-56页
    5.2 Pedagogical Implications第56-60页
    5.3 Limitations of the Study第60-61页
    5.4 Suggestions for Future Studies第61-62页
References第62-66页
Appendix Ⅰ第66-68页
Appendix Ⅱ第68-69页
攻读硕士学位期间科研成果第69页

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