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真空练泥机的转速对生产能力、效率和泥料质量有何影响？

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《建设工程安全生产管理条例》规定了监理（）条安全监理责任。

A. 3
B. 4
C. 5
D. 6

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脱磁器根据阻尼振荡的基本理论，利用电容和脱磁器线圈组成（）电路，使其产生阻尼振荡。

A. 并联谐振
B. 共振
C. 串联谐振
D. 振荡回路

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You are the network administrator for the Paris branch office of Fourth Coffee.The Paris office has a Windows Server 2003 DNS server named Server10. Server10 hosts a DNS primary zone named fourthcoffee.com. All computers in the Paris office are configured to use Server10 as their preferred DNS server. The Berlin branch office of Fourth Coffee has a UNIX DNS server named Server11. Server11 hosts a primary zone named engineering.fourthcoffee.com. The refresh interval of the engineering.fourthcoffee.com zone is set to 24 hours. In the Berlin office， a firewall filters all incoming network traffic from other offices. A rule on this firewall prevents all computers from the Paris office network， except Server10， from performing DNS lookups against Server11.There is a business requirement that no delay should occur between the time that a new record is created in the engineering.fourthcoffee.com zone and the time that the record can be resolved from any computers in the Paris office. All computers in the Paris office must be able to resolve names in the engineering.fourthcoffee.com namespace.You need to configure DNS on Server10 to meet the requirements. What should you do？（）

A. Set up a stub zone named engineering.fourthcoffee.com.
B. Set up conditional forwarding to Server11 for the engineering.fourthcoffee.com namespace.
C. In the fourthcoffee.com zone， set up a delegation to the engineering.fourthcoffee.com zone on Server11.
D. Set up a secondary zone named engineering.fourthcoffee.com that has Server11 as master.

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1992年10月13日第47届联合国大会通过决议，确定每年（）为“国际残疾人日”

A. 12月1日
B. 12月2日
C. 12月3日
D. 12月5日

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