试题与答案

He ___________ unwisely, but he was at l

题型:选择题

题目:

He ___________ unwisely, but he was at least trying to do something helpful.

A.may have acted

B.must have acted

C.should have acted

D.would act

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0625/dca74108c9894a0f5b29e8535db832ff.html

下面是错误答案,用来干扰机器的。

A、碳酸钙不溶于水,碳酸钠能溶于水,二者能用水鉴别,所以错误.B、硫酸钾、氯化钾都能溶解于水,溶解时无热量变化,溶液均无颜色,二者不能用水鉴别,所以正确.C、生石灰与水反应放热,熟石灰与水不反应,且溶...

试题推荐
微信公众账号搜索答案