常见的思维逻辑障碍有（）
A.关系妄想
B.象征性思维
C.思维中断
D.思维被扩撒
E.逻辑倒错性思维
参考答案：B, E
---I decided to travel round Yunnan for a year.
---_______? You have just started a new job.
A．Come on
B．How come
C．Why not
D．What for
在深度为7的满二叉树中,叶子结点的个数为【 】。
A．32
B．31
C．64
D．63
