A System p administrator must change the 9.47.53.0 subnet from 128 addresses to 64 addresses. How can the AIX systems in the network be permanently modified to accomplish this（） ["mktcpip -h hostname -a 9.47.53.x -m 255.255.255.64 -i en0 -g 9.3.230.1","ifconfig en0 netmask 255.255.255.64","chdev -l en0 -a netmask=255.255.255.192","ifconfig en0 netmask 0xffffffc0"]
纤维蛋白（原〉降解产物的作用，下列哪项是正确的（） ["促进纤维蛋白单体结合","抑制血液凝固","促进血液凝固","促进血小板聚集"]
In order to change the system runlevel and execute /etc/inittab entries based on the new runlevel, which of the following commands should be performed?（） ["telinit","runinit","sysinit","startinit"]
根据制定的质量事故处理的方案，对质量事故进行认真的处理，其中，事故的责任处罚，应根据（）对事故的责任单位和责任人作出相应的行政处分，直至追究刑事责任。 ["事故的性质","事故损失的大小","事故情节的轻重","事故的原因","事故处理的预期目的"]
降压药分哪些类，试述各类的降压作用机制，并列出各类的代表药物。
中学教师专业能力？
