评估网络质量工作包括()
A.OMC后台分析
B.投诉分析处理
C.现场测试(DT/CQT测试)分析
D.搬迁和新建站点的监测
参考答案:A, B, C, D
It was ______terrible earthquake and ______ number of people who were killed reached more than 20,000.
A.the, a
B.a, the
C.the, the
D.a, a
对小儿胸外电除颤最常用的电能是()
A.1J/kg
B.2J/kg
C.3J/kg
D.4J/kg
E.5J/kg