酮病治疗最常用的激素制剂是（）
A.促肾上腺皮质激素
B.促肾上腺素
C.肾上腺皮质激素
D.肾上腺素
E.去甲肾上腺素
参考答案：A
- Doctor, how are the twins going?
- Don't worry. _______of them needs_______.
A．Neither; to be operated
B．Either; being operated
C．None; to be operated on
D．Neither; operating on
故障机泵修理前处理？
