言语是人类交流思想的工具。词汇是语言中具有意义的,最小的,能够独立运用的单位,是语言的建筑材料。《英语课程标准》对高中生的词汇要求为:学会使用4500个左右的单词和一定数量的习惯用语或固定搭配。可见,高中学生需要掌握的词汇数量是不算多的。但是,不少学生反映学习词汇很难,常常 Speech is a tool for humans to exchange ideas. Vocabulary is a meaningful language in the language, the smallest unit that can be used independently, and is the building material of language. The vocabulary requirements of the English Curriculum Standards for high school students are: Learn to use about 4500 words and a certain number of idioms or fixed collocations. It can be seen that the number of vocabulary students need to master is not too much. However, many students find it difficult to learn vocabulary, often