阿奇霉素每次滴注时间不得少于60分钟,滴注液浓度不得高于多少?()
A.2.0mg/ml
B.3mg/ml
C.4mg/ml
D.5mg/ml
参考答案:A
There are some beautiful _____ in Hainan.[ ]
A. beach
B. beachs
C. beachies
D. beaches
现时寿命表