下列叙述中，不正确的一条是（） ["不同型号CPU的计算机具有不同的机器语言","高级语言编写的程序的可移植性最差","机器语言是由一串二进制数0、1组成的","用机器语言编写的程序执行效率最高"]
Which three statements about Syslog utilization are true?（） ["Utilizing Syslog improves network performance.","The Syslog server automatically notifies the network administrator of network problems.","A Syslog server provides the storage space necessary to store log files without using router disk space.","There are more Syslog messages available within Cisco IOS than there are comparable SNMP trap messages.","Enabling Syslog on a router automatically enables NTP for accurate time stamping。","A Syslog server helps in aggregation of logs and alerts."]
感受野
叉车载重升降和行驶时，门架应（），禁止前倾。 ["前倾","后倾","垂直或后倾","垂直"]
When testing ICMP access to a functional load-balancing ACE VIP， it fails. What is the reason of this problem？ （） [" The interface is shut down"," An access list is denying ICMP"," Routing is not configured properly"," vip icmp-reply is inactive"]
以生物组织为原料提取纯化多肽和蛋白质，在选择分离纯化方法时应注意哪些问题？
