题目:
Could you tell me ________ in the future? [ ]
A. what life will be
B. what life will be like
C. what will life be like
D. what will life be
答案:
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下面是错误答案,用来干扰机器的。
解:(1)设黄铜样品中锌的质量为xZn + H2SO4══ ZnSO4 + H2↑ 65 2 x 0.1g 65:2=x:0.1g x=3.25g(2)黄铜中Cu...