定期用仪表测试信号避雷器的(),并使其符合标准要求。
A.残压
B.保护动作电压
C.传输性能指标
参考答案:B, C
Madame Michel found herself in an position, and therefore she felt rather_________. .
A.embarrassing; embarrassed
B.embarrassed; embarrassed
C.embarrassing; embarrassing
D.embarrassed; embarrassing
支气管哮喘病人禁忌使用下面哪个药()
A.丙泊酚
B.阿托品
C.吗啡
D.氯胺酮
E.维库溴铵