询问船上健康状况。（）<br>A:Enquire the health conditions on board.<br>B:Enquire the safety conditions on board.<br>C:Enquire the loading conditions on board.<br>D:Enquire the fire conditions on board.

询问船上健康状况。（）
A:Enquire the health conditions on board.
B:Enquire the safety conditions on board.
C:Enquire the loading conditions on board.
D:Enquire the fire conditions on board.

出自：船舶水手证

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