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【单选题】
下面关于哈夫曼树的说法，错误的是( )。A.
哈夫曼树中没有度为1的节点
B.
对应权值构造出的哈夫曼树可能不是唯一的
C.
哈夫曼树中除了度为1的节点外，还有度为2的节点和叶子节点
D.
哈夫曼树具有最小带权路径长度
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反馈参考答案：
举一反三
【简答题】连一连。 ① ② ③ ④ 2：55 11：05 4：55 2：05
【单选题】Bruce Ismay has been blamed for the reason that _________.
A.
he betrays his wife
B.
he put pressure on Captain Smith to maintain the speed of the ship
C.
he manages the White Star Line
D.
he is aboard the Titanic
【简答题】Mobile Rack
【单选题】The rack-and-pinion steering system consists mainly of followings except .
A.
steering wheel
B.
rack and pinion
C.
steering shaft
D.
worm gear and sector gear
【单选题】Which of the following server chassis types allows for the HIGHEST server density in a rack？（）
A.
Blade server
B.
Tower converted to rack server
C.
Tower server
D.
Rack server
【单选题】When cabling a rack， which of the following is BEST practice？（）
A.
Use rack specific cabling hardware
B.
Let cables hang loosely behind the servers
C.
Channel all power cables down the sides， and all network cables down the center
D.
Keep cables close to the front of the rack for better access
【单选题】The steering column on a rack-and-pinion steering box is connected to the : ( )
A.
pinion.
B.
rack.
C.
bellows.
D.
tie-rods.
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