题目内容

标准麻花钻的横刃斜角为55度。

A. 正确
B. 错误

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种植密度因地力、管理水平而定，一般2400～3000蔓/667平方米为宜。

A. 正确
B. 错误

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运输乙炔气瓶时，车上除禁止烟火外，还应备有的灭火器是（）。

A. 1211
B. 四氯化碳
C. 干粉或二氧化碳

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联通公司的用户在无信号时可以切换至移动公司网络上使用。（）

A. 正确
B. 错误

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You work as an Exchange Administrator for Xxx Inc.The company has a Windows 2008 Active Directorybased network.The network contains an Exchange Server 2010 organization.There are 150 mailboxes in the messaging organization， which are stored in a mailbox database named MailboxDatabase.You have set the storage quota limit to 200 MB for all mailboxes in the database MailboxDatabase.When the limit of a mailbox reaches 180 MB， the corresponding user gets a warning message.After reaching the limit， the users are not able to send and receive any e-mail.The manager of your company， John Smith， asks you to change the storage limit for his mailbox to 280 MB. Which of the following commands will you enter in the Exchange Management Shell to accomplish the task？（）

A. Set-Mailbox -Identity john.smith@Xxx -IssueWarningQuota 188743680 - ProhibitSendReceiveQuota 293601280 -UseDatabaseQuotaDefaults $true
B. Set-Mailbox -Identity john.smith@Xxx -IssueWarningQuota 188743680 - ProhibitSendReceiveQuota 293601280 -UseDatabaseQuotaDefaults $false
C. Set-Mailbox -Identity john.smith@Xxx -IssueWarningQuota 188743680 - ProhibitSendReceiveQuota 293601280
D. Set-Mailbox -Identity john.smith@Xxx -IssueWarningQuota 188743680 -ProhibitSendQuota 293601280 -UseDatabaseQuotaDefaults $false

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标准麻花钻的横刃斜角为55度。

A. 正确 B. 错误

种植密度因地力、管理水平而定，一般2400～3000蔓/667平方米为宜。

运输乙炔气瓶时，车上除禁止烟火外，还应备有的灭火器是（）。

联通公司的用户在无信号时可以切换至移动公司网络上使用。（）

A. 正确
B. 错误