已知某工程设备购置费为2000万元,未达固定资产标准的工具、器具及生产家具购置费为200万元,建筑工程费为1000万元,安装工程费为400万元,工程建设其他费用为190万元,基本预备费费率为6%,则该项目的基本预备费为()万元。基本预备费=(设备及工器具购置费+建筑安装工程费+工程建设其他费)×基本预备费费率
A. 192.0
B. 227.4
C. 303.2
D. 216.0
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A群链球菌产生的致病物质不包括()
A. 链激酶
B. 红疹毒素
C. 溶血毒素
D. 剥脱性毒素
E. 透明质酸酶
You are the network administrator for The network consists if a single Active Directory domain named All network servers run Windows Server 2003, and all client computers run Windows XP Professional. XML Web services for the internal network run on a member server named TK1,which is configured with default settings. You are a member of the local Administrators group on TK1. You need the ability to remotely manage TK1. You have no budget to purchase any additional licensing for your network until the next fiscal year. How should you reconfigure TK1?()
A. In the System Properties dialog box, enable Remote Desktop.
B. Add your user account to the Remote Desktop Users local group.
C. In the System Properties dialog box, enable Remote Assistance.
D. Install Terminal Services by using Add or Remove Programs.
放射性核素的半衰期(T1/2),其定义是()。
A. 放射性核素的原子核数目衰变一半时的概率
B. 放射性核素衰减时间为其寿命一半时的原子核数目
C. 放射性核素的原子核数目衰变一半所需要的时间
D. ABC都不对