【简答题】假设每个结点值为单个字符,而一棵树的层次遍历序列是ABCDEFGHIJ,则其根节点的值是【】
【简答题】A.treated B.needed C.earned D.wasted
【简答题】A.Only humans respond to emotions by shedding tears. B.Only humans shed tears to get rid of imitating stuff in their eyes. C.Only human tears can resist invading bacteria. D.Only human tears can disch...
【判断题】花饰、领带、领结、围巾、扇饰、眼镜都属于服饰品。
【单选题】假设每个节点值为单个字符,而一棵树的层次遍历序列为ABCDEFDGIJ,则其根节点的值为:
【单选题】Be careful with the paper for it ____________.