From the last paragraph, one may learn that an important rea

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To whom is the speaker mainly talking?

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膀胱结石的典型症状是

膀胱结石的典型症状是A.肉眼血尿 B.中药排石 C.排尿中断 D.会阴部下坠感 E.剧烈腰痛

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无生育要求的45岁以下中、重度子宫内膜异位症患者选择

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5岁小儿腕部骨化中心的数目为

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