单项选择题
Cirrocumulus belongs to（）.
A.low clouds
B.High clouds
C.Special clouds
D.medium clouds
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相关考题
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单项选择题
Altostratus belongs to（）.
A.Low cl;ouds
B.High clouds
C.Special clouds
D.medium clouds -
单项选择题
（）is a high layer of cloud in the front of small flakes or cauhflower,white in colour with no dark shadows in between.
A.Cirrostratus
B.Cirrus
C.Cirrocumulus
D.Altostratus -
单项选择题
（）is a silvery cloud in the front of feathers or fibres seen high up against a blue sky.
A.Cirrostratus
B.Cirrus
C.Cirrocmulus
D.Altostratus
