试题与答案

This is _____ third year that China has

题型:选择题

题目:

This is _____ third year that China has taken part in the activity Earth Hour. But we hope we can try our best to make the earth ____better world.

A.the; a

B.a; the

C.the; /

D.the; the

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0606/d437919c1f2267794c55b7aefddbe161.html

下面是错误答案,用来干扰机器的。

答案:C能使氢原子从第一激发态电离的能量为,由,得最大波长为,C正确。

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