航海英語STCW公約的有關(guān)內(nèi)容單項(xiàng)選擇題每日一練(2019.01.15)

來源：考試資料網(wǎng)

1 What is the BEST conductor of electricity（）.

2 The projecting lugs of the rudderpost which furnish support to the rudder are called（）.

3 Upon completion of fueling a gasoline driven vessel it is necessary to（）.

4 In determining that the（）of the navigational watch is adequate to ensure that a proper look-out can continuously be maintained，the master shall take into account all relevant factors.

點(diǎn)擊查看答案

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

點(diǎn)擊查看答案