幼儿的房舍、场地和各项设备,是幼儿生活的重要环境。
参考答案:对
已知全集U={0,1,2,3,4},M={0,1,2},N={2,3},则(CUM)∩N=( )
A.{2,3,4}
B.{3}
C.{2}
D.{0,1,2,3,4}
--- Credit cards are useful when travelling.
—True. They save us the trouble of taking too much cash.
A.exactly
B.gradually .
C.particularly
D.hardly