患儿,男,2岁,自幼牛乳喂养,未及时添加辅食,平素纳差,近半月来腹泻呈水样便,每日4~5次。体检:体重6kg,身高75cm,头围47cm,精神萎靡,心肺听诊正常,腹部皮下脂肪消失。该患儿在治疗过程中,最易发生的问题是()
A. 低钙性惊厥
B. 高渗性脱水
C. 等渗性脱水
D. 低渗性脱水
E. 胃肠功能紊乱
甲骨文是迄今为止在中国所发现的自成体系的一种最古老的文字。可以说是现代汉字的老祖宗。甲骨文已经是一种相当____________的文字。如果认为仰韶、龙山文化的图形符号是汉字的雏形,那么它们与殷墟甲骨文之间,应该还存在____________环节。
A. 成熟 过度
B. 规范 关联
C. 优美 补充
D. 完善 缓冲
测量接地电阻时应将接地装置与所有避雷针线断开,与微波塔身连线断开。电流极,电压极应布置在与地下金属管道和线路相垂直的方向。避免在雨后测量。接地装置引至电流极,电压极的导线截面应不小于()。导线仪表接头连接要接触良好。
You work as the enterprise exchange administrator at Xxx .The Xxx network consists of a domain named xxx .Xxx has acquired a new server named XXX-EX01 that is running Microsoft Exchange Server 2010.What actions must you take to allow the employees to access XXX-EX01 via the Internet by utilizing Exchange ActiveSync?()
A. You must enable recipient filtering.
B. You must use Send connectors.
C. You must use the Microsoft-Server-ActiveSync virtual directory’s external URL and change it.
D. You must use DNS forwarding.