根据《设备使用维护管理规定》,各专业厂负责合理使用设备,并对设备的()负责。
A.操作、使用、检查
B.使用、维护、保养
C.操作、维护、维修
D.检查、维护、使用
参考答案:C
慢性肾炎临床表现错误的是
A.中等程度蛋白尿
B.轻、中度水肿
C.高血压
D.不导致肾功不全
E.贫血
—Any information about your son?
—No. If only I ________ those tough words to him.[ ]
A. didn't say
B. hadn't said
C. shouldn't have said
D. couldn't have said