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【单选题】
那个命令能修改文件的所有者?A.
chgrp
B.
chown
C.
chmod
D.
chright
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举一反三
【简答题】汽车上装备ASR的目的就是在驱动时将驱动轮的滑转率控制在____范围内,以提高____和____。
【简答题】请翻译Tour du monde一文中关于美国和英国的那两段内容,或是写一篇全文的综述。(10月7日上传) 没看完网络微课的请把article的两个微课看完。(10月8日前完成)
【简答题】Reading between the lines, I should say the scientists are disappointed for the outcome of the research project, though they will not openly admit it.
【单选题】Scientists say it will be five or six years _____ it is possible to test this medicine on human patients.
A.
before
B.
that
C.
since
D.
when
【单选题】Scientists say it may be five or ten years ______ it is possible to test this medicine on human patients.
A.
since
B.
when
C.
after
D.
before
【简答题】Scientists disagree on the date, but some say it may be much earlier than anyone thought.(翻译)
【单选题】Scientists say it will be five or six years __________ it is possible to test this medicine on humans.
A.
after
B.
before
C.
since
D.
when
【简答题】Scientists say it may be five or ten years _____ it is possible to test this medicine on human patients. (A) since (C) after (B) before (D) when
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