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單項(xiàng)選擇題

The effect of wind on exposed areas of the vessel is most noticeable when（）.

A.backing
B.going slow ahead
C.going full ahead
D.turning

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單項(xiàng)選擇題

The diurnal variation of pressure is most noticeable（）.

A.above the polar circles
B.in a low pressure area
C.during periods of low temperatures
D.in the doldrums

單項(xiàng)選擇題

The diurnal pressure variation is most noticeable in the（）.

A.polar regions
B.horse latitudes
C.roaring forties
D.doldrums

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