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德育过程的两个转化是()、()。
长城最早建于____时期。
骨质疏松
现代足球起源于()
男,65岁。走路时,不慎摔倒。查体:左下肢缩短,外旋50°畸形。 为明确诊断,首先应进行的检查为()
流脑传染性最强的阶段是( )
地质构造是底板灰岩突水的主控因素,因此构造是底板灰岩水防治的重点。
水平杆:脚手架中的水平杆件。
钢的临界冷却速度是指使奥氏体不分解成铁素体与渗碳体的机械混合物,而转变成贝氏体所需要的最低冷却速度。
伤寒病病原学检查时,病程第1周应采集的标本是()
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MIST is caused by().
“合剂”的规范书写是( )
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