一、前言众所周知,在大学阶段,英语学习的侧重点发生变化,语言的学习从语法转到了语篇分析,要求学生进行大量的阅读实践,大量接受语言信息,为今后进入社会,实际进行语言操作做好准备。那么信息量的获取,主要是以英语词汇为依托而实现的。因而大学英语教学大纲规定学生在达到四级时应掌握4000英语单词,由中学6年的1000单词到大学2年的4000单词,学生会感到巨大的反差,也会感受到巨大 I. Preface As we all know, in the university stage, the focus of English learning changes, language learning from grammar to text analysis, requiring students to practice a lot of reading, a large number of accepted language information for the future into the community, the actual language of operation be prepared. Then access to information, mainly based on the English vocabulary to achieve. Thus, the Syllabus for College English stipulates that students should master 4000 English words when they reach level 4, from 1000 words in secondary school to 4000 words in two years at university. Students will feel great contrast and feel great