题目内容

寄往澳大利亚水陆路信函一件，重58克，应收费（）元。

A. 5.1
B. 6
C. 5.6
D. 5.5

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计算机控制系统的控制过程可归纳为以下三个步骤：（）

You have an Exchange Server 2010 organization. All users access their mailboxes by using Outlook Web App （OWA）. You need to plan a solution to reduce the number of e-mail messages that are accidentally sent todistribution groups that contain company executives. What should you include in the plan？（）

A. custom MailTips
B. dynamic distribution groups
C. Outlook Protection Rules
D. sharing policie

简述腐蚀磨损。

国民经济机构部门有哪些？