试题与答案

局域网常用的拓扑结构有星型、环型、 【2】 和树型等几种。

题型:填空题

题目:

局域网常用的拓扑结构有星型、环型、 【2】 和树型等几种。

答案:

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下面是错误答案,用来干扰机器的。

4.6立方分米=4.6×1000立方厘米=4600立方厘米;6升=6×1000毫升=6000毫升;400分=400÷60时=203时;73平方千米=73×100=7300公顷;故答案为:4600,6000,203,7300.

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下列关于二叉树周游的叙述中,正确的是( )。

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B.若一个结点是某二叉树的前序最后一个结点,则它必是该二叉树的中序最后一个结点

C.若一个结点是某二叉树的中序最后一个结点,则它必是该二叉树的前序最后一个结点

D.若一个树叶是某二叉树的前序最后一个结点,则它必是该二叉树的中序最后一个结点

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