病人死亡后,随着生物学死亡期的进展尸体最先出现的现象是()
A.尸僵
B.尸斑
C.尸冷
D.尸僵缓解
E.尸体腐败
参考答案:C
My dictionary _____. I have looked for it everywhere but still____ it.
A.has lost; don’t find
B.is missing; don’t find
C.has lost; haven’t found
D.is missing; haven’t found
以太网通信协议是()
A.CSMA
B.TCP/IP
C.x.25
D.CSMA/CD