航海英語航海圖書資料單項(xiàng)選擇題每日一練(2018.10.16)

來源：考試資料網(wǎng)

1 A life preserver or buoyant work vest is required to be worn on a ship when a person is （）.

2 What is the use of the books of Admiralty List of Lights and Fog Signals? Their use is to （）.

3 Section V of the ADMIRALTY NOTICES TO MARINERS is（）.

4 Temperature and moisture characteristics are modified in a warm or cold air mass due to （）.

5 Steam smoke will occur when（）.

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