无码高清视频|成人自拍视频|欧美成人午夜无码A片秀色直播|草美女视频网站|美女被操网站在线观看

<dl id="dfwpa"><acronym id="dfwpa"><code id="dfwpa"></code></acronym></dl>

<pre id="dfwpa"><acronym id="dfwpa"></acronym></pre>

單項選擇題

Who maintains the fire-fighting and life-saving apparatus?（）

A. The second officer.
B. The chief officer.
C. The third officer.
D. Bosun.

你可能感興趣的試題

單項選擇題

We should take （）to keep the chemicals away from fire.

A. great care
B. some measures
C. fresh water
D. fresh air

單項選擇題

During a fire drill on a vessel, what action is required？（）

A. Start each fire pump
B. Launch and run a lifeboat
C. Inspect fire hoses
D. Close each fire pump