设全集U={1,2,3,4,5},集合M={1,4},N={1,3,5},则N∩(CUM)=[ ]
A.{1,3}
B.{1,5}
C.{3,5}
D.{4,5}
答案:C
把两个一样大的正方形拼成一个大长方形,这个大长方形的周长就是两个正方形周长的和。 [ ]
(2013·四川省泸州市4月模拟)This is neither the time nor the place to play.Let’s________and attend to the business in hand.
A.come up
B.turn off
C.settle down
D.cut in