一、研究背景词汇是构成语言的三大要素之一,是语言的基本建筑材料。词汇教学是培养学生听、说、读、写四项基本技能的根本条件,它在整个语言教学过程中起着举足轻重的作用。一个学生所掌握词汇量的多少和正确运用词汇的熟练程度,是衡量其语言水平的尺度之一。然而,词汇教学却一直是外 First, the research background Vocabulary is one of the three elements that make up the language, is the basic building materials of language. Vocabulary teaching is the basic condition to train students’ four basic skills of listening, speaking, reading and writing. It plays an important role in the whole process of language teaching. It is one measure of language proficiency that a student can master the vocabulary and proficiency in using the vocabulary correctly. However, vocabulary teaching has always been outside