Scientists discovered that atoms of some substances are radioactive.

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问题 Scientists discovered that atoms of some substances are radioactive.

选项

答案科学家们发现某些物质的原子具有放射性。

解析

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本试题收录于：英语题库普高专升本分类

英语

普高专升本

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Scientists discovered that atoms of some substances are radioactive.

英语

普高专升本

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