题文

根据短文内容，选择正确答案。

Since the beginning of time, man has invented many interesting things. Some of these inventions, like numbers and the radio, have certainly changed history. Since 1946. one of the most important inventions has been the computer.  It will change all our lives.      The first computer was built at Harvard University in 1944. It was as large as a room and quite difficult and slow to operate.  But since the invention of the silicon chip (硅片), computers have become smaller, easier to use, and faster to operate. Some computers are as small as television sets.  Some computers can be made smaller than a book.  And computers are getting smaller and all the time.      There are several reasons why computer is useful. First it can store very. Very large amount of information. Second, the computer can operate very quickly. Third, modern computer can be built into other kind of machines, like radio, cars and planes. They can do a lot of work for us.      Soon, almost everyone. either at home or at work, will use some kind of computers.  The lives of all of us will be changed by this invention.

1. What have changed history and people's life according to the passage?

A. Numbers. B. Radios. C. Computers.

2. The first computer was built ______.

A. in the middle of the 19th century B. in the middle of the 20th century C. at the beginning of time

3. A modern computer can be made _____.

A. as large as a room B. smaller than a book C. smaller than silicon chips

4. The computer has been made much better since the invention of _____.

A. the silicon chip B. the radio C. the color TV set

5. The computer is useful because _____.

A. it can. operate very quickly and can be built into other machines B. it can store lots of information C．both A and B

题型：阅读理解  难度：中档

答案

1-5: CBBAC

据专家权威分析，试题“根据短文内容，选择正确答案。 Since the beginning of time, ma..”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。