成年男性血红蛋白的正常值是()
A.105~150/L
B.110~150/L
C.110~155g/L
D.115~155g/L
E.120~160g/L
参考答案:E
下列药物中是前体药物,其代谢后可产生活性的是(结构式加文字形式)()
A、A
B、B
C、C
D、D
E、E
The time worked beyond regular hours is expressed in term of().
A.timeover
B.timeout
C.overtime
D.outtime