GMP附录中将药品生产洁净室(区)的空气洁净度划分为
A．二个级别
B．三个级别
C．四个级别
D．五个级别
E．六个级别
参考答案：C
— Tomorrow ____ my birthday. I'd like you and Jane to come.
— I'm not sure if she ____ free. [ ]
A. will be; is
B. is going to; is
C. is; is
D. is; will be
洋地黄中毒引起的下列心律失常中，哪项用钾盐治疗是错误的
A．室性心动过速B．多源性室性期前收缩C．非阵发性交界区心动过速D．室上性阵发性心动过速E．房室传导阻滞
