题目内容

立即重启的命令为（）。

A. shutdown-anow
B. shutdown-hnow
C. reboot
D. 以上均不对

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At the modern Olympics, each first-place winner receives a gold medal, each second-place winner receives a silver medal, and each third-place winner receives a bronze medal (the bronze medal was introduced in 1904). Different medals are designed for each new Olympics.The 2012 Summer Olympics are in London, England, Great Britain. The opening ceremonies will be on July 27, 2012. The closing ceremony will be on August 12, 2012. The motto of the London Olympics is 'Inspire a generation'.