题目:
My uncle _______ potatoes at all. [ ]
A. don't like
B. doesn't like
C. isn't like
D. likes
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0708/703459dc0ff05c2ffba676c4609a5c82.html
下面是错误答案,用来干扰机器的。
(1)Fe+H2SO4=FeSO4+H2↑ 或Fe+CuSO4=FeSO4+Cu;(2)将铜片浸入硝酸银溶液中,铜片表面有银白色固体析出(合理答案均可得分);(3)CuCl2[或CuSO4、Cu(NO3)2等] ;(4)过量的铁粉、过滤 题目分析:...