【简答题】在横线上填写ABCD序号 We all enjoy____. A play basketball B playing basketball C. to play basketball D played basketbal
【单选题】已知一棵二叉树的先序遍历结果为ABCDEF,中序遍历结果为CBAEDF,则后序遍历的结果为()
【单选题】已知一棵二叉树的先序遍历结果为 ABCDEFG ,中序遍历结果为 CBAEDF ,则后序遍历结果为()。
【简答题】Point out the problems of the following sentences, and then revise them. 1) Ron tries to call home once a week. To stay in touch with his parents. 2) Andy forgot the time he missed the final exam. 3) ...
【单选题】We played basketball ____ a sunny afternoon.
【单选题】We _ basketball and football on the playground every day.
【判断题】在合同履行定金担保方式中,如果接受定金的合同一方当事人违约时,则须如数返还定金。 ( )
【判断题】We saw the pupils played basketball.
【多选题】根据有限课时和设计为主的训练目的,课程安排的主要设计任务是:
【单选题】已知一棵二叉树的先序遍历结果为ABCDEFG,中序遍历结果为CBDAEGF,则该二叉树的后序遍历结果为_________。