利用coca语料库提高大学英语学生写作中词汇丰富性的实证研究

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1、万方数据AStudyonApplicationofCOCAinImprovingLexicalRichnessinNon-EnglishMajors’Writings利用COCA语料库提高大学英语学生写作中词汇丰富性的实证研究YuJinming于金明万方数据万方数据万方数据西北师范大学研究生学位论文作者信息论文题目利用COCA语料库提高大学英语学生写作中词汇丰富性的实证研究姓名于金明学号2011210841专业名称英语课程与教学论答辩日期2014、5、29联系电话13919996049E-mailyujinming1980@126.com通信地址(邮编)：甘肃省合作市知合玛路233号（

2、甘肃民族师范学院外语系）747000备注：万方数据ContentsAbstract..........................................................................................................................................................i摘要..................................................................................................

3、............................................................iiiListofAbbreviations....................................................................................................................................ivListofFigures...................................................................

4、.............................................................................vListofTables.................................................................................................................................................viChapter1Introduction.......................................

5、..........................................................................................11.1BackgroundoftheStudy..................................................................................................................11.2PurposeoftheStudy...............................................

6、..........................................................................21.3SignificanceoftheStudy..................................................................................................................3Chapter2LiteratureReview.........................................................

7、..............................................................52.1StudiesonLexicalRichnessinESL/EFLWritings..........................................................................52.1.1StudiesonMeasuresofLexicalRichness...