设全集U={a,b,c,d},集合A={a,b},B={b,c,d},则(∁UA 发布时间:2017-04-03 21:12 │ 来源:www.tikuol.com 题型:填空题 问题: 设全集U={a,b,c,d},集合A={a,b},B={b,c,d},则(∁UA)∪(∁UB)=______.
题型:填空题 —I can’t find my favourite magazine. Have you seen _________?—Jack went away with _________ just now, but I’m not sure whether it's yours.A.one, one B.it, one C.it, it D.one, it 查看答案