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【单选题】
用户密码基本信息配置文件是( )A.
/etc/passwd
B.
/etc/shadow
C.
/etc/group
D.
/etc/yum
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【简答题】土壤凋萎系数(名词解释)
【简答题】For example, when a person says “ You have left the door open”, _______ performed by the speaker is that by such an utterance he has expressed his intention of speaking, i.e. asking someone to ...
【单选题】What is the perimeter of a rectangle whose length is three times its width and whose area is 12 square centimeters?
A.
18 centimeters
B.
16 centimeters
C.
15 centimeters
D.
8 centimeters
E.
4 centimeters
【简答题】He has expressed a/an__________ to see you.
【简答题】凋萎系数（或凋萎点）
【单选题】The following are the duration in minutes of a sample of long-distance phone calls made within the continental United States reported by one long-distance carrier. Time (in Minutes) Relative Freq...
A.
1 minute
B.
5 minutes
C.
2%
D.
100%
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