题目内容

姓名牌上无需显示()。

A. 姓名
B. 工号
C. 职务
D. 年龄

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She()a new idea for increasing sales.

A. came up with
B. came up at
C. came by
D. came for

土壤有机质的作用体现在哪些方面?

You have an Exchange Server 2010 organization that contains a Hub Transport server and an Edge Transport server.The Edge Transport server sends all SMTP mail to the Internet.You need to add a disclaimer to all internal and external e-mail messages sent by users of your company. What should you do?()

A. From the Hub Transport server, create a transport rule.
B. From the Edge Transport server, create a transport rule.
C. From the Hub Transport server, modify the properties of a Send connector.
D. From the Edge Transport server, modify the properties of a Send connector.

在低压配电系统中,对三相四线制供电线路,若第四芯为PEN线时,可以采用三芯电缆加单芯电缆组合成一回路的方式。

A. 正确
B. 错误

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