一般认为，资产负债率的适宜水平在40%～60%，不能超过（），最好低于55%。 ["60%","65%","70%","75%"]
Why can security on healthcare networks be an important issue for customers？（） ["offers a rapid return on investment","telecommuting","multiple network connections","legal mandate"]
女性，9岁，左小腿肿痛3月，溃破流脓1周，曾因“阵发性腹部不适伴发热十余日”住院，术后10d查得腹腔引流液抗酸杆菌为阳性，消化道钡餐造影诊断为：溃疡性肠结核。假设某天该患者与小朋友玩踢毽子过程中不慎跌倒，导致下肢活动障碍、畸形，最有可能时出现了下列哪种并发症（） ["病理性骨折","脱位","肌腱拉伤","病理性脱位","嵌插骨折"]
A new client of yours is experiencing a growth spurt. The client s IT staff is making network changes manually and， as a consequence， is extremely overworked， You suggest the client implement a network management system， citing which important business benefit？（） [" potential for outsourcing the IT staff"," provision of an out-of-band managementarchiteture"," threat mitigation"," reduction in network downtime"]
Which the three are true about servlet filters？（） [" A filter must implement the destroy method"," A filter must implement the doFilter method"," A servlet may have multiple filters associated with it"," A servlet that is to have a filter applied to it must implement the javax.servlet.FilterChain interface"," A filter that is part of a filter chain passes control to the next filter in the chain by invoking the filterChain forward method"," For each
element in the web application deployment descriptor， multiple instances of a filter may be created by the web container<\/filter>"]
根据系统阻抗图BG5-8所示计算K点短路时流过保护安装处的两相短路电流。(假设系统基准容量为100MVA,电压为66KV,基准电流为875A)
