铁路线路、铁路站场、机车车辆等固定和移动设备属于劳动资料。
参考答案:对
I guess you were in a hurry. Look! You _______ your sweater inside out.
A.hadworn
B.wore
C.arewearing
D.werewearing
主要用于铜绿假单胞菌感染的是()
A.氨苄西林
B.羧节西林
C.两者均是
D.两者均否