题目

I work in downtown Orlando and have been passing by the same homeless woman every week.She never asks me for money,but always greets me with a smile. I wrote in a Facebook post,Each Tuesday,Amy simply said 'Good morning Sir,have a great day.'and smiled.I wear a suit to work every day,so I get asked a lot for money quite often in downtown but never once from Amy Joe. Every Tuesday,Amy and I have lunch together,during which I get to hear how positive she is even though she really has nothing.Last week,Amy dropped a bomb on me—she can't read.She told me how hard it was for her to find w 下列加入足量的稀盐酸能形成无色透明溶液的是 [　　] A．KOH，FeCl3 B．CaCO3，Mg C．Na2CO3，AgNO3 D．NaOH，CuCl2