下列指标中属于WCDMA无线网络性能指标的有()。
A、Iur口无线链路建立成功率
B、CAMEL用户接通率
C、寻呼拥塞率
D、小区码资源占用率
参考答案:A, C, D
重度主动脉瓣反流时心尖部可存在()
A.Graham-Steell杂音
B.Austin-Flint杂音
C.Durozier征
D.Traube征
E.Demusset征
----Sunny said you were crazy about basketball, really?
----Yes. And that’s why I join the volunteers for the Olympic Games and I really _______volunteering.
A.get hold of
B.get along with
C.get away with
D.get a kick out of