题目:
Clouds appearing in the following order: cirrus,cirrostratus,altostratus,stratus,and nimbostratus usually indicate the approach of a(n)().
A.warm front
B.occluded front
C.medium front
D.cold front
答案:
参考答案:A
Clouds appearing in the following order: cirrus,cirrostratus,altostratus,stratus,and nimbostratus usually indicate the approach of a(n)().
A.warm front
B.occluded front
C.medium front
D.cold front
参考答案:A