己烯雌酚可用于（）
A．泼尼松
B．氟氢松
C．促皮质激素
D．倍他米松
E．醛固酮
参考答案：C
— Can you keep an eye on my bag? I need to go to the washing closet.
— ______. It'1! be safe with me. [ ]
A. It's my pleasure
B. Never mind
C. Go ahead
D. Forget it
组成坐骨神经的神经根有（）
A.L4
B.L5
C.S1
D.S2
E.S3
