航海英語(yǔ)STCW公約的有關(guān)內(nèi)容單項(xiàng)選擇題每日一練(2019.01.26)

來(lái)源：考試資料網(wǎng)

1 The ratio of the height of a vessel’s rudder to its width is referred to as the（）.

2 Who may perform as a lookout（）.

3 The vessel’s quarter is located（）.

4 Which device is designed to automatically hold the load if power should fail to an electric winch?（）

5 What is the BEST conductor of electricity（）.