题目内容

若E可数,包含在之少可数集内

A. 对
B. 错

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设A是一个有界闭区间,Fn是A的闭子集,若闭集的交是空集,则存在n也是有限的也是空集

A. 对
B. 错

英译汉：It is time to do morning exercises, please line up. Two by two, hand in hand.

英译汉：Today we are playing outside first, then we are all going to watch TV.

汉译英：向前看。立正。