基于CEW语料库的大学英语专业学生两种体裁作文词汇丰富性研究

A CEW-based Contrastive Study of Lexical Richness in Compositions of Two Genres by Chinese Undergraduates of English Major

借助CEW语料库对比研究大学英语专业学生记叙文与说明文两种体裁作文中的词汇丰富度。研究结果表明,两种体裁的作文在词汇密度、词汇多样性、词汇独特性以及各级词汇分布等方面均表现出一定的差异。体裁是影响大学英语专业学生作文中词汇丰富性的因素之一。

The present paper investigates into lexical richness in compositions of narration and exposition by Chinese undergraduates of English major based on the corpus CEW. The results show that lexical qualities in these two genres of writings differ in terms of lexical density, lexical variety, lexical originality and lexical profile. It thus concludes that genre affects lexical richness in writings of Chinese undergraduates of English major,