对一棵二叉树的中序遍历序列中，根结点右边的结点属于( )。A．左子树上的叶子结点

发布时间：2017-06-01 08:19 │ 来源：www.tikuol.com

题型：单项选择题

问题：

对一棵二叉树的中序遍历序列中，根结点右边的结点属于( )。

A．左子树上的叶子结点

B．右子树上的所有结点

C．左子树上的所有结点

D．右子树上的叶子结点

考点：计算机等级考试数据库技术三级数据库技术笔试20

题型：单项选择题

绿色化学实验是在对常规实验进行改进而形成的实验新方法。它能减少或消除实验中的“三废”污染和浪费等。下列符合绿色化学实验的操作是[ ]

A．将实验室的废液直接倒入下水道

B．将一氧化碳和氧化铁反应后的尾气排入空气中

C．将双氧水和二氧化锰制氧气的残余物分离回收

D．将用剩的碳酸钠固体放回原瓶，节约药品

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