适用于绿脓杆菌感染的药物是()。
A.红霉素
B.庆大霉素
C.氯霉素
D.林可霉素
E.利福平
参考答案:B
---What caused the party to be put off?
---_____________ the invitations.
A.Tom delayed sending
B.Tom’s delaying sending
C.Tom delaying to send
D.Tom delayed to send
PRA阳性值为()。
A.>10%
B.>5%
C.>15%
D.>20%
E.>30%