下面哪个不是专业遥感图像处理软件（）
A.MAPGIS-RSP
B.ERDASIMAGINE
C.ERMAPPER
D.ACDSEE
参考答案：D
The manager demanded that the workers extra hours to complete the task ahead of time.
A．worked
B．would work
C．work
D．had worked
试述选择性α受体阻滞剂的药理作用。
