航海英語號燈與號型單項(xiàng)選擇題每日一練(2019.01.20)

來源：考試資料網(wǎng)

1 An occulting light is one in which（）.

2 A tug is towing three manned barges in line in fog. The first vessel of the tow should sound （）.

3 A flashing light is a light that（）.

4 A power-driven fishing vessel is underway on the high seas and is not engaged in fishing. Which of the following factors determines what lights she will show?（）.

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5 A single towing light will be carried above a vessel’s sternlight（）.

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