航海英語航海學基本知識單項選擇題每日一練(2019.03.06)

來源：考試資料網(wǎng)

1 Buoys are marked with reflective material to assist in their detection by searchlight. Which statement is TRUE? （）

2 A white buoy with an orange rectangle on it displays（）.

3 A light having characteristics which include color variations is defined as（）.

4 A yellow buoy may mark a(n)（）.

5 Buoys which mark dredging areas are painted（）.