One morning, ______.
A.the man was coming to tune her piano
B.Mrs. Peters received a telephone call from the shop
C.the piano was sent to her house at 10
D.Mrs. Peters was going to clean the house
第5题
氨曲南为
A.青霉素类
B.头孢菌素类
C.碳青霉烯类
D.单环Β-内酰胺类
E.Β-内酰胺酶抑制剂
第6题
以下药物不属β-内酰胺类抗生素的是
A、青霉素类
B、头孢菌素类
C、头孢霉素类
D、氨曲南
E、多黏菌素类
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