航海英語(yǔ)航海學(xué)基本知識(shí)單項(xiàng)選擇題每日一練(2019.01.21)

來(lái)源：考試資料網(wǎng)

1 An orange and white buoy marking a danger area will have what symbol on it?（）

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2 A light that has a light period shorter than its dark period is described as（）.

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3 How is the intensity of a light expressed in the Light Lists?（）.

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4 A yellow buoy may exhibit a(n)（）.

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5 （）is the distance east or west measured in degrees，minutes and seconds of arc on the equator between the prime meridian and the meridian passing through the place.

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