97免费在线观看视频,亚洲综合自拍网,黄色毛片免费观看,热久久综合网,免费看日产一区二区三区狠狠操av,久久久涩涩涩,在线精品免费视频,人人插天天干,久久91精品国产91久久

<ruby id="nupc0"><output id="nupc0"></output></ruby>

單項選擇題

I’m on fire and have dangerous cargo on board. The most urgent assistance (最緊急的援助)in this case would be（） .

A.lifeboat
B.medicine
C.firefighting
D.lifesaving

你可能感興趣的試題

單項選擇題

（）(停頓) for a while when the boat leaves the surface.

A.Halting
B.Halt
C.Adjust
D.Heave

單項選擇題

（）(所有船員) must know the locations as well as the operations of the life-saving and fire-fighting appliances.

A. All officers
B. All engineers
C. All the crew
D. AB and C

<ruby id="g2avr"><xmp id="g2avr"></xmp></ruby>