起病急骤,伴有恶寒发热者为()。
A.外感
B.内伤
C.在气
D.在血
E.属虚
参考答案:A
Larry asks Bill and Peter to go on a picnic with him, but ______ of them wants to, because they have work to do.
A.none
B.any
C.either
D.neither
对如下二叉树: ABDECF 进行后序遍历的结果为______。
A.ABCDEF
B.DBEAFC
C.ABDECF
D.DEBFCA