()是金融期货中最晚产生的一个投资品种。
A.外汇期货
B.利率期货
C.股票价格指数期货
D.股票期货
参考答案:C
低层责任中心的不可控成本,对于较高层次的责任中心来说一定是可控的。()
—What a hot summer night! The temperature may be above 40 degree centigrade again.
—Why not get ________ cold beer in the air-conditioned room, watching the second season of The Voice of China? That must be great fun.
A.a; /
B./; a
C.the; a
D.a; the