Memetics theory is a new theory based on Darwin's theory of evolution to explain the cultural evolution law .As a car-rier of culture ,language is transmitted through imitation and replication .This paper attempts to introduce the origin of meme and its four life cycles and discusses corresponding strategies in the teaching of College English at different stages of their life cycle of expansion .%模因论是一种基于达尔文进化论的观点解释文化进化规律的新理论.语言作为文化的载体 ,也需要通过模仿、复制而得到传播.本文尝试介绍模因的由来及其四个生命周期 ,同时探讨了如何在其生命周期的不同阶段展开大学英语教学工作的对应策略.
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