不适于病毒感染的快速诊断的技术是()
A.形态学检查
B.病毒抗原检测
C.早期抗体检测
D.晚期抗体检测
E.病毒核酸检测
参考答案:D
解析:晚期抗体出现较晚,不适合用于早期诊断。
There is still________ who said he was ________ to reach the top of the mountain besides these two people.
A.a third one;the first
B.the third one;the first
C.the third one;first
D.third one;first
如何体现规范类文书效用的稳定性?