自主访问控制称为()
A.DAC
B.MAC
C.RBAC
D.RABC
参考答案:A
—"Would you like a cup of coffee?"
—"_______." [ ]
A. Yes, I'd like
B. No, I wouldn't like
C. Yes, thanks
D. No, thanks
人体的微循环约占总循环量的()。
A.5%
B.10%
C.15%
D.20%
E.25%