2. 外语
  3. A、Checking the accuracy of scales. B、Calculating the density of metals. C、Observing changes in the atmosphere. D、Measuring amoun

A、Checking the accuracy of scales. B、Calculating the density of metals. C、Observing changes in the atmosphere. D、Measuring amoun

admin2021-09-17  115
问题
选项 A、Checking the accuracy of scales.
B、Calculating the density of metals.
C、Observing changes in the atmosphere.
D、Measuring amounts of rain fall.
答案A
解析
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大学英语六级

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