题目内容

He complained to the bookseller that there were several pages ______ in the book.

A. losing
B. missing
C. dropping
D. lacking

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In order to buy a new car, you should at least ______ one hundred dollars a week.

A. put out
B. put forward
C. put up
D. put aside

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This is a deflation of our pretensions, to be sure, but it is also the opening up to our view of a vast and awesome universe.

A. This makes us feel flattered, ...
B. This makes us feel less arrogant, ...
C. This is a lack of trust in our honesty, ...
D. This is a lack of respect for our dignity, ...

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假定提供Web服务的二台Linux服务器IP地址分别为192.168.1.10和192.168.1.20。为了使用DNS循环机制，由主机名www.test.com对外提供一致的服务，需要在DNS服务器的test.com区域文件中增加下列内容： www1 IN (1) 192.168.1.10 www2 IN (1) 192.168.1.20 www IN (2) www1 www IN (2) www2 通过DNS的循环机制，客户访问主机www.test.com时，会依次访问IP地址为192.168.1.10和192.168.1.20的www主机。填写上面的空格，完成test.com文件的配置。

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管道命令的作用是允许数据流从较低安全级别的接口流向较高安全级别的接口。解释或完成以下配置命令。 firewall(config)#conduit permit tcp host 61.144.51.43 eq www any (8) firewall(config)# (9) 允许icmp消息任意方向通过防火墙

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He complained to the bookseller that there were several pages ______ in the book.

A. losing B. missing C. dropping D. lacking

In order to buy a new car, you should at least ______ one hundred dollars a week.

This is a deflation of our pretensions, to be sure, but it is also the opening up to our view of a vast and awesome universe.

管道命令的作用是允许数据流从较低安全级别的接口流向较高安全级别的接口。解释或完成以下配置命令。 firewall(config)#conduit permit tcp host 61.144.51.43 eq www any (8) firewall(config)# (9) 允许icmp消息任意方向通过防火墙

A. losing
B. missing
C. dropping
D. lacking