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Participants in the experiment were __________. 查看材

2022-07-11 07:17:03 外语考试 阅读

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Participants in the experiment were __________. 查看材料

A.36 bladder cancer patients

B.144 cancer patients

C.108 healthy peoplE．

D.144 sick and healthy people

请帮忙给出正确答案和分析，谢谢！

参考答案

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