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單項(xiàng)選擇題

Prevailing winds between 30°N and 60°N latitude are from the（）.

A.north
B.south
C.east
D.west

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單項(xiàng)選擇題

Plain language is usually used on marine weather（）.

A.forecasts
B.observations
C.analyses
D.reports

單項(xiàng)選擇題

On the pole side of the high pressure belt in each hemisphere，the pressure diminishes. The winds along these gradients are diverted by the Earth’s rotation toward the east and are known as the（）.

A.geostrophic winds
B.doldrums
C.horse latitudes
D.prevailing westerlies