航海英語救生設(shè)備單項選擇題每日一練(2019.01.25)

來源：考試資料網(wǎng)

1 On a ship，a fire drill shall be conducted once every（）.

2 On a ship，how many ring buoys are required to have a buoyant line attached?（）

3 If absolutely necessary，the best way to land on a beach in a motor lifeboat is to（）.

4 On a ship，watertight doors should be operated（）.

5 The connection facilities for the international shore connection must be located to provide access（）.