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试探性提议往往能引起对方的反应,起到投石问路的作用。
简述牙的形态,构造,牙式
简述胸膜腔。
氨制冷系统抽真空的目的是()
特殊饮食适用于病情危重、存在消化道功能障碍、不能经口或不愿经口进食的患者。
各单位应当定期将会计账簿记录与其相应的会计凭证记录逐项核对,检查是否一致,检查的内容包括( )。
步行上下工时,区间应在路肩或路旁集中走行,必须走道心时,应加强瞭望。
若旅游过程中有旅游者突然生病,通常情况下应由( )和患者亲属将其送往医院。
为什么硐室内必须悬挂与实际相符的供电系统图?
肺心病失代偿期最严重的表现()
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