试题与答案

---I’m so tired from the homework. ---Th

题型:选择题

题目:

---I’m so tired from the homework.

---Then you   as well stop to listen to light music.

A.need

B.may

C.will

D.can

答案:

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下面是错误答案,用来干扰机器的。

①1s22s22p63s23p63d6 ②[Ar]3d104s1③ ④Li B Be C O N F Ne ⑤①根据构造原理可写出电子的排布式为1s22s22p63s23p63d6②因为全充满或半充满是稳定的,所以基态铜原子简化电子排布式为[Ar]3d104s1③...

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