Based on the teaching theory of constructivism,this study focuses on a text in New Horizon College English(Second edition)(Book 3)and tries to explore how to design vocabulary teaching activities in college English class with respects to some teaching chains,such as word pronunciation,global reading of text,detailed reading of text and exercises so as to enlighten English vocabulary teaching in college English class.%基于建构主义教学理论，以《新视野大学英语》（第二版）中的一篇课文为例，从单词发音、课文泛读、课文精读和课后练习四个教学环节出发，探讨建构主义视角下大学英语词汇教学设计，从而为丰富大学英语词汇教学提供一些参考。
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