五脏分阴阳，脾的阴阳属性是（）
A.阳中之阳
B.阳中之阴
C.阴中之阳
D.阴中之阴
E.阴中之至阴
参考答案：E
Do you require any further assistance?My ship is safe now and no assistance is necessary.This VHF communication generally takes place during（）.
A.salvage operation
B.cargo discharging
C.bunkering
D.towing operation
如果引气系统出现渗漏，有何警告？
A、火警铃响，L或R BLEED LEAK灯亮
B、MFD上有信息
C、仅BLEED LEAK灯亮
