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生物课外实验活动是生物实验乃至整个生物教学的重要组成部分,它真正以学生为主体,让学生自己动手,自己设计,为学生提供了自由发挥的平台,它们对学生
Biological extra-curricular experimental activity is an important part of biology experiment and even the whole biology teaching. It really takes students as the main body, let students do it by themselves and design for themselves to provide students with a free platform to play,