说明：  验证二叉树的二叉链表表示，实现CreateBiTree算法创建二叉树，实现二叉树的层次遍历算法，实现二叉树的先序、中序、后序递归遍历算法中的一种，编写主程序调用CreateBiTree创建二叉树，并调用二叉树的层次遍历、先（中、后）序遍历算法，测试不同的输入数据创建二叉树，预期输出并验证输出的结果。
(The binary list validation binary tree the preorder achieve CreateBiTree algorithms to create a binary tree, the binary tree hierarchy traversal algorithm to achieve binary tree inorder, postorder recursive traversal algorithm write main program to call CreateBiTree create binary tree, and call the level traversal of a binary tree, the first (in the rear) preorder traversal algorithm, to test different input data to create a binary tree, it is expected that the output and verify that the output results.)