问题 单项选择题

有关键字值的集合A={55,30,35,15,45,25,95},从空二叉树开始逐个插入每个关键字值,建立与集合A对应的二叉排序树,若希望得到的二叉排序树高度最小,应选择()作为输入序列。

A、45,25,55,15,35,95,30

B、35,25,15,30,55,45,95

C、15,25,30,35,45,55,95

D、30,25,15,35,45,95,55

答案

参考答案:B

听力题

1、What you think is proper in your own country may not be proper in another because of             c__________ difference.

2、They have decided to d___________ the evidence immediately they found there was no chance of breaking through.

3、An earthquake left the whole city in ________ (废墟)

4、On the exhibition , you can see many treasures found in an ancient s____________ ship

5、The electors d_____against the new rules and refused to sign their names on these documents.

6、We need to become a u____________ team to reach our long-term goals.

7、The strike left the railway system in c_______________

8、Are there any s_____________ between these two paintings?

9、The ___________(形成)of national character doesn’t take place in one day.

10、The elderly are usually ________( 担心的) about the growth of the younger generation

11、The war cost an  _______________( 巨大的,庞大的)sum of money.

12、The ship is not in a  _______________( 状态,状况,条件)to make a long voyage.

13、The laborers prepared to resist and to ______________(推翻)this Government.

14、I’d like to see all the legal d_____ concerning the sale of this land before we sign this paper.

15、Literature and art have a great ________________(影响) on people’s ideology.

16、Look, that poor girl has been trying hard to work out a ________(解决办法) to the question.

17、U________________,the poor boy lost his life in the big fire.

18、That building is a m________________ to those who were killed in the war.

19、He succeeded in business and was very w________________.

20、The Chinese ___________________  (文明) is one of the oldest in the world.

多项选择题