航海英語航海圖書資料單項選擇題每日一練(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（）.