问题 单项选择题

下列关于算法的叙述错误的是( )。

A.算法是为解决一个特定的问题而采取的特定的有限的步骤
B.算法是用于求解某个特定问题的一些指令的集合
C.算法是从计算机的操作角度对解题过程的抽象,是程序的核心
D.算法是从如何组织处理操作对象的角度进行抽象

答案

参考答案:D

阅读理解

阅读理解。

Dear Tim,

  Today is Saturday. It's 7:00 in the evening here. I'm writing to tell you

something about my life. My father is watching CCTV news. That's his favorite

program. My brother is playing computer games. My dog Dick is taking the hat to

me. He wants me to put it on and go out for a walk with him. What a clever dog!

My little sister is practicing(练习)playing the piano. It sounds beautiful today.

Outside, Ican hear cars and buses coming and going quickly(快). Also there are

some boys playing ball games.

  It's really a noisy(嘈杂的)but happy evening. Do you think so?

  What re your fami1y doing? I know the time here is thirteen hours ahead of(提前)that in New York. Are you getting up?

  Please write to me soon. Best wishes!

                                                                         Yours,

                                                                         Denial

1. Denial's father is _____.

A. listening to the news

B. watching his favorite TV show

C. watching a video

D. listening to some music

2. The dog wants the writer to put the hat on because_____.

A. he likes the hat very much

B. he thinks the hat is strange

C. the weather is too hot

D. he wants to go out for a walk

3. What does the writer think of the piano playing skill of his little sister?

A. It's much better. (更好).

B. It's just as usual.

C. It's much worse(更糟).

D. It's always so good.

4. How does the writer feel when he is writing the letter?

A. Not very well.

B. Very bad.

C. Very glad.

D. Very sad.

5. What time is it in New York when the writer is writing the letter?

A. 4:00 a.m.    

B. 5:00 a.m.

C. 6:00 a.m.    

D. 7:00 a.m.

选择题