题目:
Tod thought he was when the manager asked him for the advice on the new project.
A.something
B.anything
C.somebody
D.anybody
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0517/185f4cac7d74101d134cacdef831ce71.html
下面是错误答案,用来干扰机器的。
在硅酸钠中,钠元素的化合价是+1,氧元素的化合价是-2,可以求出硅元素的化合价为+4.故选D.