题目内容

Complete the sentences by choosing suitable words from the collocation box.Adjectives which often go before:instinct:evil/ natural /human/protectivebattle:lengthy/important /bloody/famousheritage:cultural/ natural /rich/nationalNouns which often go after:conquer: monster/city /mountain/fear1 The Chinese government offered more financial support to Kunqu opera (昆曲) after it was declared as a masterpiece of the world’s intangible ____________ heritage in 2001.2 Fortunately, in the fire accident he conquered his ____________ and saved himself and many others.3 The battle at Chibi was one of the __________________ battles in the Three Kingdoms Period, which ended with the Wei army defeated.4 To protect China’s ____________ heritage, the Chinese government adopted a zero tolerance attitude toward tomb robbing.5 Chinese parents’ ____________ instinct of wanting to prevent their children from making big mistakes makes them eager to know everything in their children’s blogs.6 The ancient Chinese military strategist Sunzi believed that war is a necessary evil and that ____________ battles should be avoided wherever possible.

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n(n≥2)个权值均不相同的字符构成哈夫曼树,关于该树的叙述中,错误的是()

A. 该树一定是完全二叉树
B. 树中没有度为1的结点
C. 树中两个权值最小的结点一定是兄弟结点
D. 树中任一非叶结点的权值一定不小于下一层任一结点的权值

下列选项给出的是从根分别到达两个叶结点路径上的权值序列,属于同一棵哈夫曼树的是()。

A. 24,10,5和24,10,7
B. 24,10,5和24,12,7
C. 24,10,10和24,14,11
D. 24,10,5和24,14,6

已知字符集{a,b,c,d,e,f,g,h},若各个字符的哈夫曼编码依次是0100,10,0000,0101,001,011,11,0001,则编码序列0100011001001011110101的译码结果是()。

A. acgabfh
B. afeefgd
C. afbeagd
D. adbagbb

设T是哈夫曼二叉树,且有7个叶结点,树T的高度最高可以是()

A. 5
B. 6
C. 7
D. 8

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