题目内容

高炉冶炼要求入炉烧结矿中<5mm的粉末量应少于()。

A. 20%
B. 10%
C. 5%

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关于插花员应勤于实践的表述,下列选项中错误的是()

A. 插花员为了使操作手法更灵活、熟练,要向国外同行学习
B. 插花员为了使操作手法更灵活、熟练,要勤于动手,熟能生巧
C. 插花员要勤于实践,多动手,不断吸取国内外同行的先进经验,使自己操作手法更灵活、熟练
D. 只要自己闷头苦练,就能眼界开阔,技能熟练

Your network contains a server named Server1 that has Windows Server 2008 R2.An administrator runs the following command on Server1: netsh.exe advfirewall reset You discover that you can no longer access Server1 on port 3389.You need to ensure that you can access Server1 on port 3389.Which firewall rule should you enable?()

A. File and Printer Sharing (Echo Request ICMPv4-In)
B. File and Printer Sharing (SMB-In)
C. Remote Desktop (TCP-In)
D. Remote Service Management (RPC)

饲料添加剂的品种目录由国务院农业行政主管部门制定并公布。

A. 正确
B. 错误

论述钢琴木材的力学性质。

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