问题 多项选择题

下列关于计算机指令的说法中,正确的是()。

A.计算机的工作就是执行存放在存储器中的一系列指令

B.指令是一组二进制代码,它规定了计算机执行的最基本的一组操作

C.指令系统有一个统一的标准,所有计算机的指令系统都相同

D.指令通常由地址码和操作数构成

答案

参考答案:A, B

阅读理解

阅读理解。

     People usually hate mice, but people almost all over the world like one mouse--- the famous Mickey

Mouse.Fifty years ago, most films had no sounds. A man called Walt Disney made a cartoon mouse. The cartoon mouse could talk in these films. He named his mouse became a good friend of both young people and old people. Children liked to see their lovely friend, because he brought happiness to them.

     Mickey is a clean mouse right from the beginning. Maybe this is why people love Mickey Mouse very much. In his early life, Mickey did some wrong things. People were very angry. They wrote to Disney and said they didn’t want Mickey to do the wrong things. Because there were some things that Mickey could

not do. Disney made a new animal called Donald Duck. He also made a dog, Pluto. This dog does some

foolish(愚蠢) and wrong things whenever he goes. Now, our Mickey Mouse is more interesting as well.

He is known as a star of beauty and wisdom(智慧).He has his friends in almost  every country.

1. Mickey Mouse first came out _______.

A. on TV  

B. in the film  

C. in the play  

D.in a picture-book

2. Children love Mickey Mouse because _______.

A. it can speak  

B. it is clean  

C. it makes them happy  

D. it is a mouse.

3. The dog, Pluto, is _______.

A. a fool that often does something wrong

B. a clever dog that can do everything well.

C. a beautiful dog that people like very much.

D. a famous dog as a star of beauty and wisdom.

4. The best title(标题) for the passage is _______.

A. Pluto                    

B. Donald Duck  

C. Donald Duck and Pluto      

D. Mickey Mouse and Donald Duck

5. Why did Disney make Duck?_______.

A. Because Mickey Mouse are very lonely.

B. Because there were some things that Mickey could not do .

C. Because Mickey was able to do everything.

D. Because people didn’t like Mickey Mouse any more.

多项选择题