女,43岁,右下腹持续性疼痛5天,伴恶心、呕吐,呕出物为胃内容物。体温38.5℃。体检发现右下腹5cm×5.5cm大小肿块,触痛明显。最可能的诊断是()
A. 粪块所致肠梗阻
B. 盲肠肿瘤
C. 急性化脓性阑尾炎
D. 阑尾周围脓肿
E. 盲肠扭转
查看答案
Intermediate system to intermediate system (IS - IS), is a protocol used by network devices (routers) to determine the best way to forward datagrams through a packet - switched network, a process called routing. Which three attributes are of the IS - IS routing protocol? ()
A. supports VLSM
B. link - state routing protocol
C. operati on is similar to BGP
D. supports two routing levels within an autonomous system
二沉池出水COD为()mg/L。
A. 100
B. 80
C. 50
D. 30
习近平总书记指出:扶贫工作要五级书记一起抓,指的是省(自治区)、地(市)、县(区)、乡(镇)、村(居)五级书记。
A. 正确
B. 错误
即期外汇交易采用()。
A. 现钞汇率
B. 现汇汇率
C. 期汇汇率
D. 票汇汇率