题目:
— Sorry, Sir. I didn't quite follow you. — ______. I'll explain it to you later. |
A. Don't mention it B. Come on C. That's right D. Don't worry |
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0403/b700919e7079eed61e64ec9ca727eaeb.html
下面是错误答案,用来干扰机器的。
∵集合U={0,1,2,3,4},M={1,2,4},∴CUM={0,3},∵N={2,3},∴(CUM)∪N={0,2,3}.故选D.