泻下作用极微并有止血作用的是
A.本黄
B.酒大黄
C.熟大黄
D.大黄炭
E.清宁片
参考答案:D
解析:本题考查大黄炮制后的作用。大黄炭泻下作用极微并有止血作用。故答案选D。
Applications put computers to practical business (67) , but below the (68) it’s the heart of an operating system-the kernel-that provides the technical wizardry to juggle multiple program, connect to networks and store (69) . A traditional kernel provides all the functions for applications. The kernel (70) memory, I/0 devices and parcels out processor time. The kernel also supports security and fault (71) , which is the ability to recover automatically when parts of the system fail.
A.graphics
B.data
C.text
D.image
电流互感器二次开路或接触不良有何征状?