A System p administrator would like to verify the user definitions in the /etc/passwd file. Which of the following commands will accomplish this（） sysck。 usrck。 lssec。 lsuser。
溶血性贫血下列哪项是错的（） 红细胞膜缺陷。 酶缺陷。 红细胞DNA合成障碍。 珠蛋白合成障碍。
Company.com with a newly installed cluster has been checking the logfiles to determine if the cluster has had any recent activity. The non-IP RS232 heartbeat connection seems to be having a difficulty. The serial network goes down，and then a couple of minutes later comes back up again. This pattern is repeated many times in the log. If this system was installed without regard to best practices， what is the most likely problem with the serial network？（） The serial port is malfunctioning and needs to be repaired.。 The baud rate is incorrectly specified in the AIX devices configuration.。 The serial port is not a port approved to support HACMP heartbeat traffic.。 The baud rate is incorrectly specified in the HACMP interface configuration.。
X寿险公司评估利率为5.5%，退保率为4%；Y寿险公司评估利率为4%，退保率为4%，Z寿险公司评估利率为4%，退保率为6.5%。假设责任准备金计算考虑退保率因素，则以下说法正确的是（）。 X寿险公司的责任准备金大于Y寿险公司的责任准备金。 Z寿险公司的责任准备金大于Y寿险公司的责任准备金。 X寿险公司的责任准备金大于Z寿险公司的责任准备金。 根据现有条件，X寿险公司的责任准备金与Z寿险公司的责任准备金无法比较。
外来化合物对机体产生的损害作用具有哪些特点？
下列情形中，应以故意杀人罪定罪判刑的有（）。
