对急性大面积或多灶性糜烂性扁平苔藓的肾上腺皮质激素治疗应采用()
A.大剂量,短疗程
B.大剂量,长疗程
C.小剂量,短疗程
D.小剂量,长疗程
E.以上均不是
参考答案:C
悬垂型杆塔分为悬垂直线和悬垂转角塔,标称电压为220kV和500kV的线路,其转角度数分别要求为下列哪项数值?()
A.30,100
B.100,150
C.100,250
D.100,200
The connection between two networks to form an internet is handled by a machine known as a ______.
A.bridge
B.client
C.router
D.switch