_____ exciting sport it is to climb them_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题选择题

_____ exciting sport it is to climb the mountains! [ ]

A. How

B. What

C. What a

D. What an

答案

答案：D

选择题

— Is Nie’er Library ______ to ordinary people?

— Of course.

A．accessible

B．available

C．reasonable

D．adjustable

单项选择题

若二叉树的先序遍历序列为ABDECF，中序遍历序列DBEAFC，则其后序遍历序列为（）。

A．DEBAFC

B．DEFBCA

C．DEBCFA

D．DEBFCA