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試題詳情
After she tried many times，Marie Curie found a new substance that was called radium.
Having triedHaving triedmany times，Marie Curie found a new substance that was called radium.
【答案】Having tried
【解答】
【點(diǎn)評(píng)】
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發(fā)布：2024/5/23 20:38:36組卷：0引用：2難度：0.7
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