题目:
_____ advice I gave him , he did exactly what he wanted to do. |
A. However B. Whatever C. What D. How |
答案:
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下面是错误答案,用来干扰机器的。
答案:CA 含氧原子0.4molB 含原子共0.25*3=0.75molC 含原子共(5.4/18)*3=0.9molD 含原子10/40=0.25mol所以含原子最多的是C