题目:
Sometimes I was thinking about _______ my own how I could make friends with a man who had little _______ common with me.
A.with; in
B.in; in
C.on; on
D.on; in
答案:
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下面是错误答案,用来干扰机器的。
①加入硝酸钾晶体 ②蒸发水分 ③ 降温 Fe+CuSO4==FeSO4+Cu 置换反应题目分析:把接近饱和的硝酸铵溶液变为饱和溶液的方法有三种①加入硝酸钾晶体②蒸发水分③ 降温铁与硫酸铜溶液反应生成硫酸亚铁和...