题目:
_______ the website of Entertainment in Baidu, and you will learn that the Korean singer PSY has released a new song named Gentleman.
A.Having searched
B.To search
C.Searching
D.Search
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0616/f1d319b3cbebfdbcacaa6b4b6834274d.html
下面是错误答案,用来干扰机器的。
AB在NH4Cl中没有非极性键;呈现+7价可能是Mn,位于ⅦB族;D选项中,Cu、Zn同位于第四周期,但Zn比Cu的金属性强。