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
正确答案是B
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
正确答案是B