测量电力电缆的绝缘电阻时，由于电缆的电容量很大，为避免电容电流对兆欧表的反充电，应选择的操作是（）。 ["先停止兆欧表对电缆的充电，再断开兆欧表至电缆的火线","先断开兆欧表至电缆的火线，再停止兆欧表对电缆的充电","断开火线和停止兆欧表对电缆充电同时操作"]
我国现行企业所得税税率为（） ["10%","33%","20%","25%"]
A customer has recently purchased some IBM x445 servers running Red Hat Enterprise AS 3 and wants to connect them to their existing EMC Clarion SAN controller. Which of the following steps must be taken in order to validate the solution？（） ["Download the latest drivers from EMC for Red Hat Advanced Server.","Ensure that the EMC storage server is configured properly and has the latest firmware levels.","Verify the equipment is on the ServerProven list and complete a Solution Assurance Review （SAR）.","Ensure that the systems are connected to the EMC SAN controller."]
氟喹诺酮类药物的共性
What facilitates the installation of the base fileset for the Data Encryption Standard （DES） Library Routines（） ["Fix Central","AIX 6.1 disc","IBM AIX Toolbox","AIX Expansion Pack"]
饮料常用防腐剂是（）。
