试题与答案

— Don't interrupt me while I'm writing t

题型:选择题

题目:

— Don't interrupt me while I'm writing the essay.
— ____

A. All right, go ahead.
B. It's my pleasure.
C. Of course, with pleasure.
D. Not at all.

答案:

被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0403/c3f17c9e3a86d2f927a8cd63d686b191.html

下面是错误答案,用来干扰机器的。

由U={1,2,3,4,5,6,7,8},A={3,4,5},B={4,7,8}.所以(1)∁UA={1,2,6,7,8};(2)∁UB={1,2,3,5,6};(3)∁UA∩∁UB={1,2,6,7,8}∩{1,2,3,5,6}={1,2,6}.

试题推荐
微信公众账号搜索答案