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基于语料库的中国英语专业学生说明文中的语块研究

ACKNOWLEDGEMWNTS第9-10页
ABSTRACT第10页
摘要第11-16页
CHAPTER Ⅰ INTRODUCTION第16-19页
    1.1 Background of the Study第16-17页
    1.2 Significance of the Study第17-18页
    1.3 Overall Structure of the Thesis第18-19页
CHAPTER Ⅱ LITERATURE REVIEW第19-40页
    2.1 Definitions of Lexical Chunks第19-21页
    2.2 Categorizations of Lexical Chunks第21-27页
        2.2.1 Structural Categorizations of Lexical Chunks第22-24页
        2.2.2 Functional Categorizations of Lexical Chunks第24-27页
    2.3 Functions of Lexical Chunks in Discourse第27-28页
        2.3.1 Lexical Chunks Help Improve Language Accuracy第27页
        2.3.2 Lexical Chunks Help Improve Language Idiomaticity第27-28页
    2.4 Theoretical Framework of Lexical Chunks第28-32页
        2.4.1 Dual-Processing Systems of Language第28-30页
        2.4.2 Psycholinguistic Foundation第30页
        2.4.3 Lewis’ Lexical Approach第30-31页
        2.4.4 Language Input Hypothesis第31-32页
    2.5 Related Empirical Studies第32-39页
        2.5.1 Related Studies Abroad第32-35页
        2.5.2 Related Studies at Home第35-39页
    2.6 Summary of the Previous Studies第39-40页
CHAPTER Ⅲ METHODOLOGY第40-47页
    3.1 Research Questions and Hypotheses第40-41页
        3.1.1 Research Questions第40-41页
        3.1.2 Research Hypotheses第41页
    3.2 The Corpus Involved第41-42页
    3.3 Data Selection第42-45页
    3.4 The Software Used第45页
    3.5 Data Analysis第45-47页
CHAPTER Ⅳ RESULTS AND DISCUSSION第47-65页
    4.1 Features of Lexical Chunks Used in Samples in the Two Groups第47-51页
    4.2 Comparative Analysis of Lexical Chunks Used in the Two Groups第51-62页
        4.2.1 Comparison of the Length of Writing Samples第51-53页
        4.2.2 Comparison of the Frequency and Variety of Lexical Chunks第53-55页
        4.2.3 Comparison of Lexical Chunks Used for Assertion第55-58页
        4.2.4 Distribution of Four Categories of Lexical Chunks第58-62页
    4.3 The Relationship Between the Use of Lexical Chunks and Writing Quality .第62-65页
CHAPTER Ⅴ CONCLUSION第65-70页
    5.1 Major Findings第65-66页
    5.2 Pedagogical Implications第66-68页
    5.3 Limitations of the Study第68-69页
    5.4 Suggestions for Further Study第69-70页
REFERENCES第70-72页

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