问题
单项选择题
（）is an indication that the weather is about to clear.
A.Rising clouds
B.Lowering clouds
C.Thickening clouds
D.Scattering clouds
答案
参考答案：A
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（）is an indication that the weather is about to clear.
A.Rising clouds
B.Lowering clouds
C.Thickening clouds
D.Scattering clouds
参考答案：A