工程咨询系统分析的内容中,系统设计应兼顾系统的()两项原则。
A.准确性和科学性
B.准确性和可操作性
C.可操作性和真实性
D.可靠性和科学性
参考答案:B
— Aren't they working?
— _______, but they aren't working well.
— Sure, we need a hand. [ ]
A. No, they aren't
B. Yes, they are
C. Sorry, I don't know
D. Sure, they do
属于血管紧张素转化酶抑制()。
A.普萘洛尔
B.氯丙嗪
C.硝苯地平
D.卡托普利
E.维拉帕米