问题
选择题
设全集U={-1，-2，-3，-4，0}，集合A={-1，-2，0}，B={-3，-4，0}，则（CUA）∩B=（ ）
A．{0}
B．{-3，-4}
C．{-1，-2}
D．φ
答案
∵A={-1，-2，0}，B={-3，-4，0}，
∴CUA={-3，-4}，
∴（CUA）∩B={-3，-4}．
故答案选B．
搜题请搜索小程序“爱下问搜题”
设全集U={-1，-2，-3，-4，0}，集合A={-1，-2，0}，B={-3，-4，0}，则（CUA）∩B=（ ）
A．{0}
B．{-3，-4}
C．{-1，-2}
D．φ
∵A={-1，-2，0}，B={-3，-4，0}，
∴CUA={-3，-4}，
∴（CUA）∩B={-3，-4}．
故答案选B．
An analyst does research about holding period return and gathers the following information about two securities.
| Security | Beginning-of-Period Price | End-of-Period Dividend | End-of-Period Price |
| 1 | $123 | $1.95 | $117 |
| 9 | $56 | $1.02 | $53 |
A. less than the holding period of return of Security 2.
B. the same as the holding period of return of Security 2.
C. great than the holding period of retum of Security 2.