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【单选题】
A、To measure amounts of rainfall,
B.To check the accuracy of scales.
C.To observe changes in the atmosphere.
D.To calculate the density of other metals.
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根据网考网移动考试中心的统计,该试题:
42%
的考友选择了A选项
55%
的考友选择了B选项
2%
的考友选择了C选项
1%
的考友选择了D选项
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