我们将在某个确定的系统内实行纵向的、自上而下或自下而上的自我监督称之为( )
A．交互监督
B．自循环监督
C．交叉监督
D．系统间监督
参考答案：B
— _____ Mr. White was appointed director of our department.
— Then we have two Whites now including _____ Mr. White, the doorkeeper. [ ]
A. The; a
B. A; the
C. A; 不填
D. 不填; a
It _____ to the airport.
A．takes forty minute's drive to get
B．takes forty-minute drive to get
C．is forty-minutes' drive
D．is a forty-minute drive
