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
问题
We drop a piece of metal into a jar fu
参考解析：
50．答案为D 此题为推断题。根据阿基米德定理，推断试验的结果，答案选D。
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