患者,女,16岁,近3天双下肢伸侧出现紫癜,分批出现,两侧对称、颜色鲜红,伴腹痛及关节痛,血常规Plt100×109/L,WBC10×109/L,Hb110g/L,凝血时间正常,应首先考虑() ["特发性血小板减少性紫癜","过敏性紫癜","急性白血病","再生障碍性贫血","血友病"]
标号XK―360的机械中K代表() ["开孔机","切胶机","密炼机","开炼机"]
时距
丝锥是()的工具 ["加工内螺纹","铰孔","钻孔","加工外螺纹"]
古代三部炮制专著是() ["《神农本草经》","《雷公炮炙论》","《新修本草》","《修事指南》","《炮炙大法》"]
双拥工作的总要求是什么?