一般情况下,从中国往美国发一个电子邮件大约()时间内可以到达。
A. 几分钟
B. 几天
C. 几星期
D. 几个月
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You work as the Exchange administrator at Company.com.The Company.com network contains an Exchange Server 2010 Organization.Company.com has its headquarters in London where you are located.During the course of the day you receive notification from management to view the a number of mailbox on the servers that is bigger than 1 GB.What should you do?()
A. You should consider having the properties of the mailbox database viewed from the Exchange Management Console (EMC).
B. You should consider running the Get-Mailbox cmdlet from the Exchange Management Shell.
C. You should consider running the Get-MailboxStatistics cmdlet from the Exchange Management Shell.
D. You should consider having a recipient filter created from the Exchange Management Console (EMC).
建筑构造设计必须考虑经济效益。在确保工程质量的前提下,既要降低建造过程中的材料、能源和劳动力消耗,以降低造价;又要有利子降低使用过程中的维护和管理费用。
A. 正确
B. 错误
如果[X]补=11110011,请问[X]=?[-X]=?[-X]补=?