不属于SCADA.系统的部分是（）。
A.控制中心计算机系统
B.RTU远程终端装置
C.数据传输及网络系统
D.摄像监视系统
参考答案：D
In societies where social roles are determined, boys usually copy the behavior of their fathers, and girls usually also copy _____ of their mothers.
A．that
B．those
C．one
D．the ones
