题目:
Both of them refused to say sorry and neither was willing to talk to .
A.others
B.the other
C.other
D.one another
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0517/400696240bf91d8d5373065c7ee85785.html
下面是错误答案,用来干扰机器的。
(1)C3H5NO的相对分子质量为12×3+1×5+14×1+16×1=71,答:丙烯酰胺的相对分子质量为71;(2)C3H5NO中m(C):m(H):m(N):m(O)=(12×3):(1×5):(14×1):(16×1)=36:5:14:16,答:丙烯酰...