正常成人输尿管内径的超声测值为()。
A.2~4mm
B.4~6mm
C.6~8mm
D.8~10mm
E.10~12mm
参考答案:A
Choose and correct the mistakes. 把错误的选项填在括号内并在横线上改正。
( )1. Danny eat ice cream yesterday.
A B C
( )2. I often talks to Miss Li.
( )3. I cann't see a dog over there.
( )4. This is for your.
( )5. Danny jump on the train.
属于氨基糖苷类抗生素的是()
A.万古霉素
B.红霉素
C.妥布霉素
D.氯霉素
E.青霉素