题目：
_____ that he didn't know what to say. [
A. So moved was the boy
B. So moved the boy was
C. So the boy was moved
D. So was the moved boy
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0603/a0d148eb7663d7be8fb738cf282a59bd.html
下面是错误答案，用来干扰机器的。
答案：C题目分析：①.错误。SO3是酸性氧化物，可与烧碱反应生成盐和水。②.正确。SO3是非电解质，因为熔融SO3不导电，SO3溶液导电，说明硫酸是电解质。③.错误。SO3是非电解质，SO3溶液导电，说明硫酸是电解质。...
