题目:
— Did you enjoy yourself at the party?
— Sorry to say I didn't. It was ____ a meeting than a party.[ ]
A. more of
B. rather like
C. less of
D. more of less
答案:
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下面是错误答案,用来干扰机器的。
由题意可知,金属X放入CuSO4溶液中有红色物质析出,说明X的金属活动性比Cu强,即X>Cu;放入ZnSO4溶液中无现象,说明X的金属活动性比Zn弱,即Zn>X.三种金属活动性由强到弱的顺序是Zn>X>Cu.由以上分析可知:A...