上颌阻生第三磨牙拔除的适应证不包括（） A.牙本身龋坏 B.与邻牙间食物嵌塞 C.无

根据《城市道路设计规范》有关章节的规定，当行车速度为60km/h时，不设缓和曲线的最小圆曲线半径为( )。

A．1500m

B．1200m

C．1000m

D．800m

葡萄糖酸亚铁是治疗缺铁性贫血的一种药品，它的化学式为C₁₂H₂₂FeO₁₄，求：

①葡萄糖酸亚铁中碳、氢、铁、氧元素的质量比为 _________ ；

②若某病人要补充2.8g铁元素，则医生要给病人开多少克的葡萄糖酸亚铁．（要求写出计算过程）

咳声如犬吠样，可见于：（）

A．百日咳

B．白喉

C．感冒

D．肺痨

E．肺痿

NAC’s (Network Access Control) role is to restrict network access to only compliant endpoints and（）users. However, NAC is not a complete LAN（）solution; additional proactive and（）security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 10Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security（）. In addition to NAC, enterprises need to implement role-based network access control as well as critical proactive security measures — real-time, multilevel（）inspection and microsecond threat containment.

multilevel（）inspection and microsecond threat containment.

A．port

B．connection

C．threat

D．insurance