下列关于设备磨损的表述中,错误的是( )。
A.有形磨损造成设备的功能性陈旧
B.有形磨损引起设备价值的贬值
C.无形磨损的原因是技术进步
D.无形磨损的设备不能继续使用
参考答案:D
His pale face suggested that he _____, and his wife urged that he ____ a medical examination. [ ]
A. doesn't feel himself; have
B. not feel himself; has
C. doesn't feel himself; has
D. not feel himself; have
有关肺炎的抗生素应用:
金黄色葡萄球菌耐药者选用()流感嗜血杆菌首选()衣原体肺炎选用()
A.红霉素
B.氯霉素
C.庆大霉素
D.万古霉素
E.阿莫西林加克拉维酸