A: 钾盐溶液中加过量盐酸
B: 铜盐溶液中加过量盐酸
C: 钾盐溶液中加过量氢氧化钠
D: 铜盐溶液中加过量氢氧化钠
- Alan, don't ________ too late, or you will feel sleepy in class.
- Sorry, Mrs. Black. I won't do that again.
下列词语字形全都正确的一项是( )