正常成人胎儿血红蛋（HbF）是（） ["<1%",">5%",">10%",">15%"]
The ping loopback hangs with no output.Which of the following is the most likely cause?（） ["The loopback interface is down and resolv.conf is configured.","The loopback is not in \/etc\/hosts and resolv.conf is configured.","The loopback interface is down and resolv.conf is not configured.","The loopback is not in \/etc\/hosts and resolv.conf is not configured."]
施工成本控制就是要在保证工期和（）满足要求的前提下，采取相应管理措施。 ["安全","质量","成本","支出"]
A customer plans to purchase a p5-570 that will run in SMP mode to host a large financial database on AIX 5.2. The application is sized for an 8-way 1.65-GHz machine. They do not currently have an existing HMC that supports p5 machines. This organization experiences unpredictable short-term spikes in processor utilization. To mitigate the risk to their business， they are interested in IBM’s CoD offering. In addition to the 8-way system， what else should the pSeries technical specialist recommend to the customer？（） ["Another p5-570 building block","Capacity Backup p5-570 building block","Another p5-570 building block and at least one HMC","Capacity Backup p5-570 building block and at least one HMC"]
在安装开孔设备时，若刀具结合器与主轴间存在间隙，一般会影响（） ["筒刀开孔的对中度","液压站正常运行","装配效果","筒刀的下降速度"]
次级代谢
