设M={-1,0,1},N={-2,-1,0,1,2}满足f(-1)≤f(0)≤f( 发布时间:2017-07-18 21:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 设M={-1,0,1},N={-2,-1,0,1,2}满足f(-1)≤f(0)≤f(1)的从M到N的映射f的个数是()A.32B.33C.34D.35
题型:单项选择题 There are few _____ in the fridge. Let's go and buy some peas and cabbages.A. vegetables B. fruit C. meat D. eggs 查看答案