航海英語海上求生單項選擇題每日一練(2019.01.19)

來源：考試資料網(wǎng)

1 If you are forced to abandon ship in a lifeboat，you should（）.

2 Stretchers are fitted in lifeboats to provide a（）.

3 The signal given to commence lowering the lifeboats is（）.

4 On open lifeboats，the purpose of the wire stretched between the davit heads is to（）.

5 Most covered lifeboats will right themselves after capsizing if the（）.