航海英語(yǔ)地文航海單項(xiàng)選擇題每日一練(2019.01.26)

來(lái)源：考試資料網(wǎng)

1 What is a lighted safe water mark fitted with to aid in its identification（）.

2 The nominal range of a light may be accurately defined as the maximum distance at which a light may be seen（）.

3 Which buoy will NOT display white retro reflective material（）.

4 The time required for a lighted aid to complete a full cycle of light changes is listed in the Light List as the（）.

5 On a chart，the characteristic of the light on a lighthouse is shown as flashing white with a red sector.The red sector（）.