航海英語號燈與號型單項(xiàng)選擇題每日一練(2019.01.22)

來源：考試資料網(wǎng)

1 As defined in the Rules，a towing light is a yellow light having the same characteristics as a(n)（）.

2 A vessel towing where the tow prevents her from changing course shall carry（）.

3 A power-driven vessel，when towing astern，shall show（）.

4 During the day，a vessel with a tow over 200 meters in length will show（）.

5 A flashing light is a light that（）.