战略管理通过制定企业的()来协调企业各部门的活动,具有全局性
A、计划
B、使命
C、目标
D、战略
参考答案:B, C, D
地下电力缆保护区的宽度为地下电力电缆线路地面标桩两侧各()m所形成两平行线内区域。
A.0.5
B.0.75
C.1.0
D.1.5
The figure above represents a rectangular parking lot that is 30 meters by 40 meters and an attached semicircular driveway that has an outer radius of 20 meters and an inner radius of 10 meters. If the shaded region is not included, what is the area, in square meters, of the lot and driveway