挑战习题
1/5单选题
难度:

1.在雨、露、雾和霜这些自然现象中,由空气中水蒸气凝华而形成的是(  )
A
B
C
D
提示1:
IOWHneWNjuaYr+eJqei0qOS7juawlOaAgeS4jee7j+i/h+a2suaAgeiAjOebtOaOpeWPmOaIkOWbuuaAgeeahOeOsOixoQ==
提示2:
IOmbqOOAgemcsuOAgembvuaYr+a2suWMlueOsOixoe+8jOmcnOaYr+WHneWNjueOsOixoQ==
正确答案:RA==
PGRpdj7pm6jjgIHpnLLjgIHpm77mmK/mtrLljJbnjrDosaHvvIzpnJzmmK/lh53ljY7njrDosaHvvIzliJlE6YCJ6aG55q2j56GuPC9kaXY+