问题 单项选择题 A1型题

32位微型计算机中的“32”指的是()。

A.微机型号

B.字节长度

C.内存容量

D.存储单位

E.硬盘容量

答案

参考答案:D

解析:

在计算机中,字节是一个不可分割的基本存储单元。计算机处理数据时,CPU通过数据总线一次存取、加工和传送的数据长度称为字,一个字通常由一个字节和若干字节组成。所以字长是衡量计算机性能的一个重要标志,字长越长,性能越强。不同的计算机字长是不相同的,常用的字长有8位、16位、32位、64位等。

阅读理解

阅读理解。

      Hello, everyone. Because of the high rate of school violence (暴力) in some areas, teenager's safety

becomes a serious problems. We are planning to set up an organization named School Watch to make

sure that students have a safe school environment. Please be part of our plan!

     What is School Watch?

     School Watch is a volunteer project in our school. It helps us stop violence and improve the quality

of school life. It will keep yourself and your schoolmates safe. The other members of School Watch care

for you and your classroom and you do the same for them.

     Is it for everyone?

     Anybody can become a member of School Watch because everyone has something to offer.

     What else can it do?

     School Watch makes it possible for us not only to help each other but also to make friends with

each other. Some members may offers to help schoolmates who have problems with their homework.

Who is the School Watch Our school will look for the School Watcher and give him or her lots of prizes.

You could be the one!

      How do you start?

     To be part of this plan, the only thing you need to do is to talk to the director of the plan in your grade.

If you want to get more information, check the official website at www, schoolwacth. com.

1. The members of School Watch are probably _____.[ ]

A. teenagers

B. parents

C. policeman

2. School Watch can help its members _____.[ ]

A. save the environment

B. organize sports activities

C. improve the quality of school life.

3. Anyone can become a member of School Watch because _____.[ ]

A. everyone may have problems

B. everyone can give help to others

C. everyone need to make some friends

4. If you want to be a member of School Watch, you should _____. [ ]

A. check the website

B. be good at your schoolwork

C. talk to the director of the plan in your grade

5. The Best School Watcher will get a lot of prizes from _____ every year.[ ]

A.the school

B. the website

C. the organization

填空题