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6年级生的课题，就应该是6年级生可以理解的，比如，比较一下同龄人上课的内容和方式，如何？

nowunderstood(whooweswho)

网上搜了一篇，是比较中美的，也可以用作参考资料。。。

(#11238341@0)
Last Updated: 2017-12-13
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