中段尿培养大肠杆菌菌落计数为多少,考虑为有意义的细菌尿()
A.>1/ml
B.>1000/ml
C.>10万/ml
D.>20万/ml
E.>100万/ml
参考答案:C
— Is there any possibility _____ you could pick me up at the airport?
— No problem. [ ]
A. when
B. that
C. whether
D. what
下列各项中,属于营业税应税劳务的是()。
A.修理机器
B.修缮房屋
C.修复古董
D.裁剪服装