词汇,作为一门语言的三要素之一,在语言的学习和教学中具有极其重要的地位。语言学家David Wilkins在总结词汇学习的重要性时说到:“没有语法就只能传递有限的信息,没有词汇则什么也传达不了。”词汇也是听、说、读、写四种基本技能的基石,没有了词汇,这四种基本技能的培养也就无从谈起。词汇虽是语言学习的重点,但也是语言学习的难点。英语课程标准八级语言知识目标对词汇的描述是:学会使用3300个左右的单词和400～500个习惯用语 Vocabulary, as one of the three elements of a language, plays an extremely important role in language learning and teaching. Linguist David Wilkins summed up the importance of vocabulary learning: “There is no grammar can only pass limited information, no words can not convey anything. ” Vocabulary is also listening, speaking, reading and writing four basic The cornerstone of skills, there is no vocabulary, the cultivation of these four basic skills will be impossible. Although vocabulary is the focus of language learning, but it is also difficult language learning. English Course Standard Eight levels of language knowledge Objectives to describe the vocabulary is: learn to use about 3300 words and 400 to 500 idioms