题目内容

外国人制造生产的民用航空器及其发动机等航空产品首次进口中国，该外国制造人应向民航总局申请领取什么证件（）

A. 型号合格证
B. 型号认可证
C. 出口适航证
D. 生产许可证

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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 Stockholm where you are located.The Company.com network contains a hub transport serer named -ex02.-ex02 is used to receive all incoming email messages from the internet.you decide to install anti-spam agents on -ex02.during the day you receive an instruction from management to make sure that only e-mail messages sent to the e-mail addresses in the active directory is accepted by -ex02. What should you do？（）

A. This can be accomplished by having the properties of the default Receive Connector modified.
B. This can be accomplished by having the properties of the Sender Filtering agent modified.
C. This can be accomplished by having the properties of the Recipient Filtering agent modified.
D. This can be accomplished by having the properties of the default Accepted Domain modified.

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