磺酰脲类降血糖药主要用于() ["发生严重并发症的糖尿病","单用饮食治疗不能控制的2型糖尿病","肥胖的2型糖尿病患者","老年患者或餐后明显高血糖患者","合并严重感染的糖尿病"]
下列()方法适用于测定改性沥青的黏度。 ["针人度法","毛细管法","真空减压毛细管法","布洛克菲尔德黏度计法"]
电流增量保护的动作电流一般按躲开()列机车启动电流整定。 ["1","2","3","4"]
弥散性血管内凝血选用的药物是() ["维生素K","肝素","叶酸","亚叶酸钙","双香豆素"]
阳性花卉
弹性授权