_______________A. leave B. invite C. visit
_______________
A. leave B. invite C. visit
相关考题：
If headaches only occur at night,lack of fresh air is often the cause.A:start B:begin C:happen D:visit
14、二叉树的先序遍历的递归实现如下： template＜class T＞ void BinaryTree＜T＞::PreOrder （BinaryTreeNode＜T＞ *root) { if （root != NULL) { ; } } 则中间部分应为：A．Visit(root-＞value());PreOrder(root-＞leftchild());PreOrder(root-＞rightchild());B．PreOrder(root-＞leftchild());Visit(root-＞value());PreOrder(root-＞rightchild());C．PreOrder(root-＞rightchild());Visit(root-＞value());PreOrder(root-＞leftchild());D．PreOrder(root-＞leftchild());PreOrder(root-＞rightchild());Visit(root-＞value());