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客房领班接到VIP入住接待通知时，应选择（）的房间作为VIP用房。

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省煤器和空气预热器烟道内的烟气温度（）规定值时应立即停炉。

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仪表管支架的安装，需根据管道的坡度要求安装，一般采用连续支架，单独一根管道的支架间距不大于（）mm。

A. 500
B. 600
C. 800
D. 1000

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You have an Exchange 2010 that contain DAG named DAG1.DAG1 contains two Mailbox Servers named Server1 and Server2.5 Mailbox Database are replicated in DAG1.You need to install Exchange Rollup update on Server1.The solution must not prevent user from accessing their Mailboxes. What should you do first？（）

A. Run the Set-MailboxDatabase cmdlet， and then configure all mailbox Database copies as lagged copies
B. Run the Suspend- MailboxDatabasecopy cmdlet， and then switch over all mailbox database to Server2
C. Run the Update- MailboxDatabasecopy cmdlet， and then modify the mailbox database Activation preference
D. Run the Set-DatabaseAvailabilityGroup cmdlet， and then enable Datacenter Activation Coordinatio

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对有机磷中毒有诊断价值（）

A. 颅脑CT
B. 血氨测定
C. 血胆碱酯酶活力测定
D. 血肌酐测定
E. 血碳氧血红蛋白浓度测定

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