书面表达

     国庆节期间你准备去上海度假。请你写一个旅游计划。所给的提示词语必须都用上。

     During the National Day, vacation, leave on the 30th, by plane, with, sightseeing, fishing, help, forget

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哪个命令可以将普通用户转换成超级用户（）。

A.super

B.passwd

C.tar

D.su