If we're squared on this one, let's go to the next topic.如果在这个问题上达成一致了，咱们来讨论下一个问题。

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• An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?（）

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• If there are any items you would like to list on the agenda, please let me know by e-mail before the end of this week.这句话翻译成中文是（） 

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• If we want to finish this job on time, we must keep our eyes on the bal l.

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