题目内容

对于前序遍历与中序遍历结果相同的二叉树为________。

A. 只有根结点的二叉树
B. 根结点无左孩子的二叉树
C. 一般二叉树
D. 所有结点只有右子树的二叉树

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用一维数组存放的一棵完全二叉树；ABCDEFGHIJKL。则后序遍历该二叉树的结点访问序列。

A. FBKJLIADECGH
B. JLIFBKADECGH
C. HIDJKEBLFGCA
DECGHFBKJILA

The man thought he was competent in his work.

A. 对
B. 错

Shirley suggested her colleague change his working environment.

A. 对
B. 错

The man wanted to quit because of his low pay and unsatisfactory interaction with his co-workers.

A. 对
B. 错