用2%碘酊皮肤消毒，擦拭后多少时间再脱碘()。
A．1分钟
B．20秒
C．15秒
D．10秒
E．5秒
参考答案：B
解析：[知识点] 清洁、消毒、灭菌
— What ___________ you do?
— I watched TV.[ ]
A. are
B. did
C. do
— Excuse me, can I interview Mr. Miller this afternoon?
— A moment, please. Let me check ______?
A．if Mr. Miller will be free
B．when will Mr. Miller have time
C．if Mr. Miller had an appointment
D．when does Mr. Miller come back
