When he got off the bus, he found his pocket ______.
A.stolen
B.picked
C.gone
D.missing
答案:B
下列有关结节性多动脉炎病变的描述,正确的是()
A.小动脉内膜和中膜以至全层纤维素样坏死
B.大量淋巴细胞和浆细胞浸润管壁全层
C.动脉壁的坏死被肉芽肿取代,肉芽肿长期存在
D.后期炎症消退,管腔恢复正常
E.管壁上常见类上皮细胞和朗格汉斯巨细胞
设有下面4条路由:172.18.129.0/24、172.18.130.0/24、172.18.132.0/24和172.18.1330/24,如果进行路由汇聚,能覆盖这4条路由的地址是______。
A.172.18.128.0/21 B.172.18.128.0/22C.172.18.130.0/22 D.172.18.132.0/23