皮皮学，免费搜题
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【多选题】
请问普通用户student具有哪些权限:A.
修改自己文件的文件名，时间
B.
使用chmod命令修改自己文件的权限
C.
使用chown命令修改文件所有者
D.
使用chgrp命令修改文件群组
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】(2009年合肥市高三第一次教学质量检测)When you finish your work，don’t forget to put the tools back where they ．
A.
are
B.
will be
C.
were
D.
had been
【单选题】When you ______with the dictionary, don’t forget to put it back on my desk, will you?
A.
will finish
B.
are finishing
C.
will have finished
D.
have finished
【单选题】When you have finished with that book, don’t forget to put it back on my desk, ?
A.
do you
B.
don’t you
C.
will you
D.
won’t you
【简答题】Don’t forget to put on your ____ toprotect you.
【单选题】When you finish your work, don’t forget to put the tools back where they ________．A．areB．will beC
A.
30．When you finish your work, don’t forget to put the tools back where they ________． A．are
B.
will be
C.
were
D.
had been
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