题目内容

若一棵二叉树中度为l和度为2的结点个数均是3,则该二叉树叶子结点的个数是____.

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若一棵二叉树中只有叶结点和左右子树皆非空的结点,设二叉树叶结点个数为s,则左右子树皆非空的结点个数是____。

树的双亲表示法由一个一维数组构成,数组的每个分量包含____和双亲域两个域。

New technology is being _____ almost every industrialprocess.

A. applied for
B. applied to
C. applied on
D. applied with

No single method, however, is ever going to be universally_____.

A. applicable
B. advisable
C. available
D. acceptable