休克时病人的体位应是( )
A.半卧位B.俯卧位C.侧卧位D.上身、下肢各适当抬高15°~30°E.头低脚高位
参考答案:D
A. was to be held B. has been held C. will be held D. is being held
钢筋接头末端至钢筋弯起点的距离不应少于钢筋直径的( )倍。
A.10
B.5
C.3
D.6