题文

阅读理解。

A computer is a machine.  Many people use computers to help them do better work.  But sometimes people send computer viruses(病毒) to computers. A computer virus is a set of bad instructions written just to hurt computers. 　　Someone makes the virus and sends it to other computers. It is set (被设置) to turn on by itself.   When it does, many computers around the world begin to have problems. When the virus is turned on, it makes the computer do things it is not supposed to do. A lot of useless information starts getting into the computers. Sometimes people lose things that are very important because of viruses. 　　People have to turn off their computers. Others stop their computers so that they won't get hurt. by  other computers. The virus is spread(传播)when people send information to others. Once in the computer, it. Tells the computer to do bad things.

1. People use computers because _____.

A. computers are easy to use B. everyone has to buy one C. computers help people do better work D. computers are interesting

2. What is a computer virus?

A. It's something that a person gets. B. It's a program that hurts computers. C. It's a bad letter that. is sent to people. D. kind a kind of useful information.

3. What happens when a virus gets into a computer?

A. The computer turn on and off . B. Useless information starts getting into it. C. It can make the computer work well. D. It can spread much good information.

4.  Why do some people have to turn off their computers?

A. They don't want to send e-mails. B. They don't want to get sick. C. They don't want to get a computer virus. D. They want to make the computer turn on by itself.

5. What's the best title for the passage?

A. Computer Viruses       B. A New Project C. Modern Computers       D. Computers and Information

题型：阅读理解  难度：中档

答案

1-5 CBBCA

据专家权威分析，试题“阅读理解。A computer is a machine.Many people use computers..”主要考查你对  科教类阅读  等考点的理解。关于这些考点的“档案”如下：

科教类阅读

考点名称：科教类阅读

• 科普类的阅读：
  科普类的阅读理解包含介绍科学知识、社会知识的短文。阅读这类短文时，要以事实为中心进行思考，抓住事物的特征、用途、相互关系等。
  如果是介绍社会现象的文章，要掌握所谈现象的内涵。

• 答题技巧：
  1. 加强整体意识，把握文章的主要内容。在阅读的时候可给段落标上序号，并给重要的句子和
     关键词做上记号，尤其是各段中心句，为答题提供更快捷更多的信息源。
  2. 审清题干，发觉和把握试题中有效的提示性信息，确认命题的角度、阅读范围和答题方式。
  3. 定位阅读，强化对应意识。同时要注意原文利用和自我加工相结合。