【单选题】【消耗次数：1】
佝偻病的体征，哪项描述是不正确（）
①
囟门晚闭
②
肋骨串珠
③
长骨弯曲、O型腿
④
神经萎靡
⑤
佝偻病、手足镯
参考答案：
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相关题目
【单选题】
佝偻病的发生是由于缺乏（ ）．
①
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②
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③
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④
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随机题目
【多选题】
俞茂宏，西安交通大学教授，长期从事材料强度理论和结构强度理论研究，他提出的（ ），被国内外学者大量引用，受到大学生和研究生的广泛欢迎，取得了良好的社会效应。
①
单一强度理论
②
双剪力学模型
③
双剪强度理论
④
统一强度理论
【多选题】
1965年，在北京举办的全国高校科研成果展览会上，被誉为“五朵金花”的研究成果，其中西安交通大学的研究成果有（ ）
①
周惠久的材料强度新理论
②
多次冲击抗力理论
③
人工合成胰岛素
④
核反应堆理论
【多选题】
程敬之，西安交通大学生物医学工程重点学科创始人之一，为学校生物医学工程学科的发展做出了重要贡献，曾先后主持完成了国际上第一台伪随机码超生多普勒血流仪和国内第一台（ ）仪器的研制任务。
①
国内第一台超生血流成像仪
②
第一台多功能声门图仪
③
超生多普勒血流仪
④
伪随机码研究仪