单项选择题
A.up an incline due to surface heating B.in a circular pattern C.down an incline due to cooling of the air D.horizontally between a high and a low pressure area
A.higher than normal swells B.high winds C.winds veering from south,through west,to northwest D.light showers
A.Strong low pressure B.Strong high pressure C.Steep pressure gradient D.Steep gradient pressure