單項(xiàng)選擇題

The apparent wind can be zero when the true wind is from（）.

A.ahead and equal to the ship's speed
B.astern and equal to the ship's speed
C.ahead and equal to twice the ship's speed
D.astern and equal to twice the ship's speed

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單項(xiàng)選擇題

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

A.spring，around late evening
B.spring，around early evening
C.fall，around early morning
D.fall，around midday

單項(xiàng)選擇題

Radiation fog（）.

A.always forms over water
B.is formed by a temperature inversion
C.is thinnest at the surface
D.dissipates during the evening

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The apparent wind can be zero when the true wind is from（）.

你可能感興趣的試題

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

Radiation fog（）.

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