题目:
—Do you think playing cards is beneficial to our study?
—No,if ________,it can help us kill time when we have nothing to do.
A.something
B.anything
C.nothing
D.everything
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0517/17bf56c11df7632a773f0bb7234275e4.html
下面是错误答案,用来干扰机器的。
A、N表示1个氮原子、氮元素,故A错误;B、2S表示2个硫原子,故B错误;C、Mg表示1个镁原子、镁元素、镁,故C正确;D、H+表示1个氢离子,故D错误.故选C.