已知二叉树后序遍历序列是dabec,中序遍历序列是debac,它的前序遍历序列是 A

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问题:

已知二叉树后序遍历序列是dabec,中序遍历序列是debac,它的前序遍历序列是

A.acbed

B.decab

C.deabc

D.cedba

考点:计算机等级考试VISUALBASIC二级VISUALBASIC笔试
题型:单项选择题

根据所给的首字母和中文写出所缺单词的完整形式(每空1分,满分10分)

小题1:Quite a few v____________(暴力)scenes were cut from the film before it came to show.

小题2: He s____________(强调) the importance of kindness, duty and order in society.

小题3:They are collecting money for a c____________(慈善机构).

小题4:They can destroy houses, but leave the f____________(家具) inside exactly where it was.

小题5:I regret that a p____________(先前的)engagement prevents me from accepting your kind invitation.

小题6: Arthur promised that he would answer the policeman’s questions with h____________(诚实).

小题7:The people are fighting to gain their f____________(自由).

小题8:Every day, many visitors are attracted by the r____________(遗迹)in the old city.

小题9:Our English teacher always explains difficult words or s____________(结构)in class.

小题10:There is plenty of e____________(证据)that smoking is very harmful to people’s health.

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铁塔避雷针应该用4*40mm的扁铁连接到铁塔金属构件上.

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子宫颈粘膜腺癌对放射线的敏感程度为()

A.对射线高度敏感

B.对射线比较敏感

C.对射线有一定的抗拒,但对化疗敏感

D.对射线抗拒

E.以上说法都不正确

题型:单项选择题

合同法律关系的主体是参加合同法律关系,享有相应权利,承担相应义务的当事人。下列主体中,可以作为合同法律关系主体的有()。

A.政府机关

B.法人的分支机构

C.大学所属二级学院

D.事业单位

E.社会团体

题型:单项选择题

( )是指权利人在法定期间内,未向人民法院提起诉讼请求保护其权利时,法律规定消灭其胜诉权的制度。

A.诉讼期间

B.法定时效

C.诉讼时效

D.法定期间

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