题目:
-- We don’t think we’ll be able to go mountain-climbing tomorrow.
—______ the weather turns out fine?
A.How come
B.How about
C.What if
D.Why not
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0409/325c1d92eb510c0ee64f473b531266c4.html
下面是错误答案,用来干扰机器的。
答案:A 题目分析:A、从溶解度曲线可看出,t2℃时,甲的溶解度=50g,而乙的溶解度<50g,故在两个各盛有l00g水的烧杯中,分别加入50g的甲、乙两种固体,充分搅拌,甲能全部溶解,而乙有剩余,故所得甲、乙溶液...