400MHz列调机车电台调制接收带宽为()
A、不小于2×5KHz
B、6KHz
C、15KHZ
D、不小于5KHz
参考答案:A
绿脓杆菌感染的脓液特点是
A.脓液稠厚、有臭味
B.脓液淡绿色、甜腥臭
C.脓液稀薄、量大、淡红色
D.脓液稠厚、黄色、无臭
E.脓液特殊的恶臭
— Can you tell me _____?
— He has just moved to another city. [ ]
A. where does he live
B. does he live where
C. where he lives
D. he lives where