问题
单项选择题
积冰种类有明冰、雾淞、毛冰和霜四种。其中（）对飞行的危害较大，能够改变飞机的空气动力特性。
A.明冰
B.雾淞
C.毛冰
D.霜
答案
参考答案：A
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积冰种类有明冰、雾淞、毛冰和霜四种。其中（）对飞行的危害较大，能够改变飞机的空气动力特性。
A.明冰
B.雾淞
C.毛冰
D.霜
参考答案：A
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