题目内容

Tai Chi Chuan, also called deep breathing exercise, is practiced by the Chinese on a regular basis to keep fit.

A. 对
B. 错

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The first modern Olympic Games was held in Athens in 1896, and the Olympic motto is faster, higher, stronger.

A. 对
B. 错

Modern martial arts consist of five categories: boxing, weapon exercises, sparring exercises, actual combat and teamwork.

A. 对
B. 错

下面是求二叉树的叶子结点的算法，其中①处需要填写的内容是（）。void CountLeaf (BiTree T, int &num){ if (T!=NULL) {if (①)num++; // 对叶子结点计数CountLeaf(T->lchild, num);CountLeaf(T->rchild, num);}}

A. T->lchild)&& (T->rchild)
B. (T->lchild==NULL)&& (T->rchild==NULL)
C. T->lchild==NULL
D. T->rchild==NULL

下面是求二叉树深度的算法，其中①处需要填写的内容是（）。int Depth (BiTree T )if ( T!=NULL ) {depthLeft = Depth( T->lchild );depthRight= Depth( T->rchild );depthval =① ; }else depthval = 0;return depthval;}

A. 1+depthLeft+depthRight
B. 1+(depthLeft C. 1 + (depthLeft > depthRight ? depthLeft : depthRight)
D. 1+max(depthLeft,depthRight)