应根据下列()等因素确定导流建筑物的级别。 ["保护对象","失事后果","使用年限","工程总工期","导流建筑物规模"]
六号筛的目数是() ["60","80","100","200","150"]
有关糖皮质激素在结核性胸膜炎治疗中的描述,错误的是() ["可改善结核中毒症状","可减轻机体的变态反应","可作为常规治疗","可导致结核播散","需逐渐减量"]
能全部通过五号筛,并含能通过六号筛不少于95%的粉末,称为() ["粗粉","细粉","中粉","最细粉","极细粉"]
特发性面神经麻痹时Bell征指的是() ["患侧表情肌瘫痪,额纹消失,不能皱额蹙眉","眼裂不能闭合或者闭合不全,闭眼时患侧眼球向外上方转动,露出白色巩膜","患侧乳鼻唇沟变浅,口角下垂","眼裂不能闭合或者闭合不全,闭眼时患侧眼球向外下方转动,露出白色巩膜","颊肌瘫痪,食物易滞留病侧齿龈"]
鱼类的视觉运动反应