男,3岁。右腹股沟部有一小包块1年余,平时平卧后可缩小,此时平卧后包块不缩小且有触痛。查体:右侧阴囊肿胀,内可触及肿块。若患儿在术中发现疝内容物系小肠,且肠管发黑,应如何处理()
A. 坏死肠管外置术
B. 坏死肠段切除肠吻合复位后行疝囊高位结扎术
C. 切开疝环,还纳肠管后行Bassini修补术
D. 肠切除术后行McVay修补术
E. 剖腹行肠切除吻合术
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An internet is a combination of networks connected by (1). When a datagram goes from a source to a (2), it will probably pass many (3) until it reaches the router attached to the destination network. A router receives a (4) from a network and passes it to another network. A router is usually attached to several networks. When it receives a packet, to which network should it pass the packet? The decision is based on optimization: Which of the available (5) is the optimum pathway?空白(4)处应选择()
A. destination
B. resource
C. packet
D. source
患者男性,52岁,自觉腰腹部胀痛,乏力,高血压。超声所见:双肾增大,形态失常,被膜凹凸不平,肾实质基本消失,为大小不等类圆形囊腔占据,肾窦受压变形。本病应诊断为()。
A. 肾脓肿
B. 肾结核
C. 多囊肾
D. 肾囊肿
E. 肾癌
在深圳证券交易所托管证券公司制度下,投资者在一证券营业部买入证券后,可以在任一证券营业部卖出该证券。()
A. 正确
B. 错误
公安机关消防机构于每年的()对本辖区消防安全重点单位进行核查调整,以公安机关文件上报本级人民政府,并通过报刊、电视、互联网网站等媒体将本地区的消防安全重点单位向全社会公告。
A. 一季度
B. 二季度
C. 三季度
D. 四季度