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
We drop a piece of metal into a jar full of water, the metal will float if it weighs less than______.
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。