问题
单项选择题
The Beaufort scale is used to estimate the（）.
A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure
答案
参考答案：C
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The Beaufort scale is used to estimate the（）.
A.Wind direction
B.Percentage of cloud cover
C.Wind speed
D.Barometric pressure
参考答案：C