航海英語(yǔ)貨物裝卸貨作業(yè)單項(xiàng)選擇題每日一練(2019.01.18)

來(lái)源：考試資料網(wǎng)

1 The Master or person in charge of a ship shall ensure the crane record book shows the（）.

2 The port clearance for a ship should be granted（）the completion of loading or discharging in the port.

3 What is NOT a precaution to be taken when topping off? （）

4 On no account（）to be exceeded.

5 What is meant by the term“l(fā)uffing the boom”of a crane（）．