We drop a piece of metal into a jar full
2024-02-24 3次 成考 反馈错误 加入收藏 正确率 : 100%
题目内容:
[单选题]We drop a piece of metal into a jar full of water, the metal will float if it weighs less than______.
A. an equal amount of silver
B. an equal amount of gold
C. all the water in the jar now
D. the water that leaves the jar
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