喹诺酮类药较适用于肺炎感染的药物是()
A.氧氟沙星
B.诺氟沙星
C.依诺沙星
D.培氟沙星
E.吡哌酸
参考答案:A
One of the reasons Billy Crystal has become so famous is _______ his outstanding ability to
improvise(即兴创作). [ ]
A. that; that
B. why,/
C. why,that
D. because, /
设备巡回检查的“十字”作业法包括()。
A.清洁、润滑
B.消缺
C.调整、紧固
D.防腐