案例七： 一般资料：求助者，男性，l7岁，高中二年级学生。 案例介绍：求助者外表一般

简述在实施一项筛检项目时，要遵循的原则是什么

要成功实施信息系统安全管理并进行维护，应首先对系统的______进行评估鉴定。

A．风险

B．资产

C．威胁

D．脆弱性

子宫颈癌的好发部位是

A．子宫颈管内
B．宫颈 * * 部
C．子宫颈 * * 上部
D．鳞-柱上皮交界区
E．柱状上皮处

Routing protocols use different techniques for assigning ______ to individual networks. Further, each routing protocol forms a metric aggregation in a different way. Most routing protocols can use multiple paths if the paths have an equal ______ . Some routing protocols can even use multiple paths when paths have an unequal cost. In either case, load ______ can improve overall allocation of network bandwidth. When multiple paths are used, there are several ways to distribute the packets. The two most common mechanisms are per-packet load balancing and per-destination load balancing. Per-packet load balancing distributes the ______ across the possible routes in a manner proportional to the route metrics. Per-destination load balancing distributes packets across the possible routes based on ______.

A. resources B. bits C. frames D. packets

蒸汽加热法养护大体积混凝土降温阶段，降温速度不能大于（）。