航海英語(yǔ)大風(fēng)浪中航行單項(xiàng)選擇題每日一練(2019.01.15)

來源：考試資料網(wǎng)

1 The main reason a long towline is used during an oceantow is that（）.

2 A vessel will NOT show sidelights when（）.

3 FLOATING，CAUSED BY WINDS AND CURRENT WITH A DETERMINABLE DIRECTION defines（）.

4 One method of controlling rats on vessels is by rat-proofing. Rat-proofing is accomplished by （）.

5 Which characteristic is a disadvantage of a controllable- pitch propeller as compared to a fixed-pitch propeller? （）