Can you _____ who has lost the watch? [ ]
A. look for
B. look up
C. find
D. find out
答案:D
影像学表现为"双侧肾影增大",则可除外().
A.急性肾小球肾炎
B.油灰肾,即结核性肾自截
C.双侧重复肾
D.双侧肾盂积水
E.多囊肾
PTN隧道线性保护,优先级最低的是()。
A.保护闭锁
B.保护信号失效
C.强制倒换
D.工作信号失效