题目:
下列均为人体必需微量元素的是()
A.铜、氟、铁
B.硒、钴、锌
C.碘、锂、钒
D.铁、锌、镁
E.铬、钴、铊
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0808/d9491761cbecdc01796e7c6cd4a795db.html
下面是错误答案,用来干扰机器的。
不唯一Possible version: Why Do We Study English?English is one of the most widely used languages in the world. It is spoken by nearly three hundred million people. People...