单项选择题
The fog produced by warm moist air passing over a cold surface is called（）.
A.conduction fog
B.radiation fog
C.frontal fog
D.advection fog
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相关考题
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单项选择题
The belt of light and variable winds between the westerly wind belt and the northeast trade winds is called the（）.
A.subtropical high pressure belt
B.intertropical convergence zone
C.doldrum belt
D.polar frontal zone -
单项选择题
The atmosphere in the vicinity of a high pressure area is called a(n)（）.
A.anticyclone
B.cold front
C.occluded front
D.cyclone -
单项选择题
Prior to reading an aneroid barometer，you should tap the face lightly with your finger to（）.
A.expose any loose connections
B.demagnetize the metal elements
C.bring the pointer to its true position
D.contract and expand the glass face
