问题
单项选择题
The doldrums are characterized by（）.
A.Steady，light to moderate winds
B.Frequent calms
C.Clear skies
D.Low humidity
答案
参考答案：B
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The doldrums are characterized by（）.
A.Steady，light to moderate winds
B.Frequent calms
C.Clear skies
D.Low humidity
参考答案：B