以下属于正白色温的是:(). ["3000K","3500K","5500K","7000K"]
为维持人体正常的生理功能,每日膳食必需脂肪酸的供能不应少于总能量摄入的()。 ["0.5%","1%","5%","3%","4%"]
腹部平片不易显影的尿结石是() ["磷酸盐结石","草酸盐结石","碳酸盐结石","尿酸结石","混合结石"]
相同发光效率的白炽灯和LED灯,在点亮的情况下,LED灯要比白炽灯节能:() ["30%","50%","70%","80%"]
改变体位后又可以排尿提示() ["肾结石","肾盂结石","输尿管结石","膀胱结石","尿道结石"]
矿物质()是谷胱甘肽过氧化物酶的必需组成成分。