属于G.902描述的接入网范畴有:()
A、解释用户信令
B、由UNI、SNI和Q3接口界定
C、不具备交换功能
D、UNI与SNI的关联由管理者设置
参考答案:B, C, D
The girl _____ Susan, who often helps other people, _____ Lei Feng in this university. [ ]
A. whose name is ; comparing with
B. calling; is compared to
C. who called ; compares to
D. called; is compared to
男,41岁,腹痛、腹泻、腹胀、脓血便、里急后重、疲乏无力,结合图像,最可能的诊断是()
A.溃疡性结肠炎
B.结肠克罗恩病
C.结肠结核
D.假膜性肠炎
E.结肠淋巴瘤