液体稀释法不适合做药敏试验的是()
A.头孢噻肟
B.磺胺
C.氧氟沙星
D.万古霉素
E.红霉素
参考答案:B
______ swim in the lake. It's dangerous (危险的). [ ]
A. Not
B. No
C. Don't
D. Doesn't
汽车传送带的种类分为三角带、多楔带和()带三种形式。