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【判断题】
采用二叉作存储结构,树的先根遍历和其相应的二的先根遍历的结果是一样的。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【单选题】She racked her brains trying to _____ the maths problem.
A.
work up
B.
work down
C.
work out
D.
work off
【单选题】They _____ a small laboratory and devoted every spare moment to this work. [ ]
A.
picked up
B.
put up
C.
set up
D.
grew up
【简答题】It takes courage to stand up at work．Now more and more people are standing up when they are working on something important．Standing up is in fashion．Medical researchers have found that people who stan...
【单选题】--- Have you drawn up that list of names yet? --- No, but I’m going to it.
A.
work out
B.
work on
C.
work off
D.
work up
【简答题】Up to now，the work has been easy.
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