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问题
填空题
教育学作为一门学科的建立始于__________ (人名)。
答案
参考答案:
夸美纽斯
选择题
I'm glad to say that he's already finished___50% of the book in these three days.
A. no less than
B. no more than
C. not more than
D. much less than
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问答题 简答题
气的运行是如何体现的?
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