集合{x∈N|2x-5≤0}中所有元素的和为( )。
3
It is implied in the passage that ______.
A.the Maces believe a good career is even more important than their family life
B.Rodney's children are quite happy with the family situation
C.either a husband or a wife has to sacrifice his or her career for a firm family tie
D.the practice of sharing household jobs between husband and wife is commonplace in London
下列关于等额选举的说法,正确的是[ ]
A.等额选举都是间接选举
B.候选人都是由选民直接选举产生
C.等额选举都是直接选举
D.就是指正式候选人与应选名额相等