根据规程要求，热工自动化系统设备检修、故障及损坏更换台帐，应记录的内容没有要求的是，

甲型血友病治疗应首选（）

A.悬浮红细胞

B.冷沉淀

C.白蛋白液

D.免疫球蛋白

E.血小板

以下四个命题：①正棱锥的所有侧棱相等；②直棱柱的侧面都是全等的矩形；③圆柱的母线垂直于底面；④用经过旋转轴的平面截圆锥，所得的截面一定是全等的等腰三角形．其中，真命题的个数为（　　）

A．4

B．3

C．2

D．1

以下哪些是肾性高血压的发病机制（）。

A.容量依赖型

B.肾素依赖型

C.遗传型

D.血管内皮功能异常

E.精神、神经型

This country gained its ________ in 1960.[ ]

A. depend

B. dependence

C. independence

D. dependent

OSPF is a link-state routing protocol. It is designed to be run internal to a single (1) system. Each OSPF router maintains an identical(2) describing the autonomous system's topology. From this database, a routing table is calculated by constructing a shortest-path (3).OSPF recalculates routes quickly in the face of topological changes, utilizing aminimum of routing (4) traffic. OSPF provides support for equal-cost multipath. An area routing capability is provided, enabling.an additional level of routing protection and a reduction in routing protocol (5).

空白（1）处应选择（）

A.autonomous

B.network

C.computer

D.server