进行接入问题排查时,使用信令跟踪工具经常看到无信令上报,则说明UPPCH没有成功,系统侧无法收到RRC CONNECTION REQUEST消息。
参考答案:错
Tom _____ the girl that he _____ four years ago. [ ]
A. married; engaged
B. was married to; was engaged
C. has been married to; was engaged to
D. married with; was engaged in
引起急性胰腺炎最常见的病因是().
A.胆道疾病
B.手术创伤
C.高钙血症
D.并发于流行性腮腺炎
E.大量饮酒和暴饮暴食