肝脏中主要的药物代谢细胞色素P450酶的亚族是()
A.CYP3A
B.CYP2C
C.CYP2E
D.CYP1A
E.CYP2D
参考答案:A
The reason why he hasn't come isbecause he has to send his father to hospital.
A B C D
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