问题 单项选择题

KB(千字节)是度量存储器容量大小的常用单位之一,这里的1KB等于______。

A.1000个字节

B.1024个字节

C.1000个二进位

D.1024个字

答案

参考答案:B

解析:[知识点] 数据的存储单位(位、字节、字)中各存储单位的换算[评析] 在计算机中通常使用三个数据单位:位、字节和字。位的概念是:最小的存储单位,英文名称是bit,常用小写字母b或陆表示。用8位二进制数作为表示字符和数字的基本单元,英文名称是byte,称为字节。通常用大写字母B表示,1B (字节)=8b(位);1KB(千字节)=1024B(字节)。字长:字长也称为字或计算机字,它是计算机能并行处理的二进制数的位数。

阅读理解

Have you ever thought about developing your kids’interests in a positive manner? Have you thought about using music to help them focus their energies on a wonderful pursuit (追求)? Do you realize that by doing so, you will better equip them in life? Your little child will love you all his or her life for the first music lessons that you may give.

Most kids have an interest in music. The only thing to do for you is to give direction to their interests so that they can focus on learning the fine art. Music teaches children to be persistent and disciplined. It also teaches them to try towards perfection and be a good team player. All this helps them not only in their studies but also in facing the challenges of life. Thus music at home and home recording are the first lessons you can present to your children.

How to maintain the interests of kids in various kinds of music and instruments?  To solve this problem, it is important that at the beginning you bring home something that can hold the child’s interest for quite some time. This would include instruments such as electric guitar or drums. Encourage them to download music which is free over the Internet.

Another thing to remember is that no one becomes an expert overnight. Have patience with your child. No point in fussing over his skills too much. A few words of appreciation will mean the world to them. Ask for their opinions and stick to the choice for quite some time. Be generous in praise.

Music is the perfect gift you can present to your kids. It is never too late and the sooner you start, the better.

小题1:The author uses three questions at the beginning of the passage to _____.

A.test readers’ knowledge of music

B.show the effect of music on children

C.draw readers’ attention to the topic

D.ask readers to answer them小题2:The intended readers of the passage are _____.

A.teachers

B.musicians

C.children

D.parents小题3:This passage is mainly about _____.

A.how to direct children to pursue their interests

B.how to make children creative

C.how to draw children’s attention to music

D.how music affects children’s studies

填空题