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【单选题】
A System p administrator needs to run the annualreval.sh script， directing standard error to /var/log/reval.err， and appending standard out to /var/log/reval.log.  How can this be accomplished （）
A.
annualreval.sh 2>&1 /var/log/reval.log 2> /var/log/reval.err
B.
annualreval.sh 1>/var/log/reval.log 2>/var/log/reval.err
C.
annualreval.sh 2>>&1 /var/log/reval.log /var/log/reval.err
D.
annualreval.sh 1>>/var/log/reval.log 2>/var/log/reval.err
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【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Docs photography belong in museums or just in our homes...
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【单选题】听力原文： You may remember that a few weeks ago we discussed the question of what photography is. Is it art or is it a method of reproducing images? Does photography belong to a museum or just in our home...
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最大提举4.5kg和偶尔提举或运送
B.
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D.
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