题目内容

在三相电路中,将同一负载接成三角形或星形时,其功率关系是()。

A. P△=3PY
B. P△=PY/3
C. P△=PY
D. P△=0.577PY

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在切削加工中,为了切去多余的金属,必须使工件和刀具作()运动。

A. 直线
B. 旋转
C. 相对
D. 进给

客户经理每月底,应随机选取一些零售客户作为次月的重点指导对象。

A. 正确
B. 错误

组成原生质的主体成分是(),它是活细胞和一切有机体不可缺少的。

A. 蛋白质
B. 核酸
C. 水
D. 无机盐

Your company has a main office and a branch office. Your network contains a single Active Directory domain. You install 25 Windows Server 2008 R2 member servers in the branch office. You need to recommend a storage solution that meets the following requirements: èEncrypts all data on the hard disks èAllows the operating system to start only when the authorized user is present What should you recommend?()

A. Encrypting File System (EFS)
B. File Server Resource Manager (FSRM)
C. Windows BitLocker Drive Encryption (BitLocker)
D. Windows System Resource Manager (WSRM)

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