航海英語海洋學基本知識單項選擇題每日一練(2019.01.13)

來源：考試資料網(wǎng)

1 In some parts of the world there is often a slight fall in tide during the middle of the high water period. The effect is to create a longer period of stand at higher water. This special feature is called a(n)（）.

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2 Advection fog holds longest over which portions of the lakes?（）

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3 Steam fog is most likely to occur on the Mississippi and Ohio Rivers in（）.

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4 The place where a channel moves from along one bank of the river over to the other bank of the river is called a（）.

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5 Radiation fog（）.

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