治疗化脓性链球菌肺炎的主要药物是() ["氨基糖苷类","红霉素","青霉素","磺胺类","利福平"]
我国的卫生标准中,每升引用水中不得超过多少个大肠杆菌?() ["1","3","5","7","8"]
在检验射灯或PAR灯时,为确认出光均匀性一般的做法是() ["直接目视确认","将灯光对着远处进行确认","将灯光打在平整的墙壁上进行确认","送实验室测试配光"]
下列哪项对诊断急性肾盂肾炎最有意义() ["发热、水肿、尿频、尿痛及尿沉渣白细胞增多","高血压、水肿、尿频、尿痛、及尿沉渣检查白细胞成堆","发热、水肿、尿频、尿急、尿痛及蛋白尿","高热、尿频、尿急、尿痛、肾区叩痛及尿中白细胞增多","发热、尿频、尿急、尿痛及蛋白尿"]
下列不属于室外灯具的是()。 ["T8节能灯管","阿波罗路灯","隧道灯","月亮神泛光灯"]
草坪打孔通气的作用原理和意义。