根据新修订的《建筑业企业资质管理规定》，下列选项中关于建筑工程施工总承包二级企业主要人员的说法正确的是（）。 ["具有建筑工程、机电工程专业注册建造师合计不少于12人","具有建筑工程相关专业中级以上职称人员不少于20人","持有岗位证书的施工现场管理人员不少于30人","经考核或培训合格的中级工以上技术工人不少于75人"]
什么是抗菌药？抗菌谱在抗菌药物选用中具有何种的实践意义？
You are the network administrator for your company. All network servers run Windows Server 2003. A member server named Server1 is configured to run shadow copies without a storage limit. Server1 has the disk configuration shown in the following table. You need to create additional free space on DATA1. You also need to improve the performance of Server1 and ensure that it has sufficient space for shadow copies in the future. Which two actions should you perform? （）(Each correct answer presents part of the solution. Choose two.) [" Delete the shadow copies on DATA1."," Delete Backup.bkf on DATA3."," In the properties of DATA1, relocate the shadow copies to DATA2."," In the properties of DATA1, relocate the shadow copies to DATA3."," Delete DATA3 and extend the DATA1 partition to include the space on DATA3."]
发电机与系统并列条件有哪些？
CASE函数具有（）种格式，每种格式中可以带有（）个WHEN选项，可以带有（）个ELSE选项。
液体发酵法
