航海英語救生設(shè)備單項選擇題每日一練(2019.01.04)

來源：考試資料網(wǎng)

1 On a ship，firefighting equipment must be inspected once every（）.

2 On a vessel making a voyage more than 48 hours long，regulations require that（）.

3 How many life buoys（）on board with self-igniting light?

4 The boat command that means complete the stroke and level the oars horizontally with the blades trimmed fore and aft is（）.

5 The Master or person in charge of a ship shall insure that each deck from which lifeboats are launched is（）.