烧伤患者输血的适应症是患者的血细胞比容低于()。 ["0.34","0.40","0.36","0.38","0.30"]
水泥强度和()是影响混凝土强度最主要因素。 ["A、骨料","B、温度","C、湿度","D、水灰比"]
华为公司传输设备要求电源电压范围是()。 ["-38V--54V","-35V--55V","-38.4V--57.6V","-39.4V--58.4V"]
进行储存式自体输血的患者,一般要求采血前Hb浓度()。 ["男性≥120g/L,女性≥110g/L","男性≥100g/L,女性≥100g/L","男性≥110g/L,女性≥110g/L","男性≥110g/L,女性≥100g/L","男性≥120g/L,女性≥120g/L"]
现在好多留学归来的“海归”,不再那么受人追捧,甚至有人找不到工作,成为“海待”,你怎么看这种现象?
对大乘修行人而言,什么才是最快乐的?