A、Checking the accuracy of scales.B、Calculating the density of metals.C、Observ

游客2023-08-06  8

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
转载请注明原文地址:https://www.tihaiku.com/zcyy/2901643.html
最新回复(0)