单项选择题

A line of clouds，sharp changes in wind direction，and squalls are most frequently associated with a(n)（）.

A.occluded front
B.warm front
C.cold front
D.warm sector

点击查看答案&解析

上一题目录下一题

相关考题

单项选择题

A hygrometer is a device used for determining（）.

A.the absolute temperature
B.atmospheric pressure
C.wind velocity
D.relative humidity

单项选择题

A generally circular low pressure area is called a(n)（）.

A.cyclone
B.anticyclone
C.cold front
D.occluded front

单项选择题

A frontal thunderstorm is caused by（）.

A.pronounced local heating
B.wind being pushed up a mountain
C.a warm air mass rising over a cold air mass
D.an increased lapse rate caused by advection of warm surface air