This article analyzes the difficulty in the teaching of ESP.Based on the theory of the cognitive psychological mechanism for language chunks,it probes into effective ways of applying the corpus in the lexical teaching ofESP in vocational colleges such as cultivating learnersawareness of language chunks,building the multimodalteaching mode for language chunks and improving learnerscapacity of autonomous learning for language chunks.Key words:corpus;language chunks;cognitive psychology;autonomous learning%分析 ESP 课程面临的困境，根据语块认知心理机制理论，探索在高职院校 ESP 词汇教学中引入语料库的有效途径，包括培养学习者的语块意识、构建多模态语块教学模式和提升学习者的语块自主学习能力。
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