The element radium，________ in the chemistry lab，gave off a faint blue light.（　?。?/h1>

A．discovered	B．to be discovered
C．to discover	D．discovering

【答案】A

【解答】

【點評】

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發(fā)布：2024/5/23 20:38:36組卷：10引用：1難度：0.5

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A．To be influenced	B．Influencing
C．Having influenced	D．Influenced

The element radium，________ in the chemistry lab，gave off a faint blue light.（ ?。?/h1>