对成年人胸外双相波电除颤最常用的电能是（）。
A.100J
B.200J
C.300J
D.400J
E.500J
参考答案：B
Hurry up! The train _____. You know it _____ at 8:30 a.m. [ ]
A. leaves; leaves
B. is leaving; leaves
C. leaves; is leaving
D. is leaving; is leaving
炒炭
A．生片、糊片不得超过2%，药屑、杂质不得超过1%B．生片、糊片不得超过2%，药屑、杂质不得超过2%C．生片和完全炭化片不得超过5%，药屑、杂质不得超过3%D．生片、炭化片不得超过3%，药屑、杂质不得超过2%E．其他
对于饮片炮制品的质量要求
