问题
单项选择题
有下列二叉树，对此二叉树中序遍历的结果为( )。
A) ABCDEF
B) BDAECF
C) ABDCEF
D) ABCDFE
答案
参考答案：B
解析： 对二又树的中序遍历是指：首先遍历左子树，然后访问根结点，最后遍历右子树。在遍历左，右子树时，注意依旧按照“左子树—根结点—右于树”的顺序。
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有下列二叉树，对此二叉树中序遍历的结果为( )。
A) ABCDEF
B) BDAECF
C) ABDCEF
D) ABCDFE
参考答案：B
解析： 对二又树的中序遍历是指：首先遍历左子树，然后访问根结点，最后遍历右子树。在遍历左，右子树时，注意依旧按照“左子树—根结点—右于树”的顺序。
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| Today Mr. Johnson, a member of the International Olympic Committee, visited a high school in Beijing. He made a speech there. In his 1 , he talked about the history, and significance of 2 . He described the 3 Olympic Games. He said that athletes at the ancient games could only be men who spoke Greek, 4 today, both men and 5 from around the world can compete. The modern games, first held in 1896, were designed to make it possible for countries and people to live 6 together. Mr. Johnson also talked about some famous 7 . One example is Michael Jordan who 8 his second Olympic gold medal after a long break. He 9 mentioned Deng Yaping who won many gold medals. Mr. Johnson 10 his speech by wishing the Olympic movement a successful future. The audience really enjoyed his speech. | ||||
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