题文

阅读下列短文，从四个选项中选出能回答所提问题或完成所给句子的最佳答案。

The computer age is making an army of robots-machines that are directed by electronic (电子的) brains and which replace human labor in industrial operations. Many are man-made arms which reach into areas man enters only at the cost of his life, such as the inside of a nuclear reactor (核反应堆).          Already in 1980, there were over 8000 such robots working in industrial plants throughout the world. The big change over to the robot, however, is likely to come only when their costs go down while workers' wages continue to rise.

1. Sentence 1 means that robots are used mainly____.

[     ]

Ａ：to fight wars Ｂ：to operate computers Ｃ：to direct electronic brains Ｄ：to take the place of human workers

2. The shape of many robots already in use looks like a human____.

[     ]

Ａ：brain Ｂ：arm Ｃ：hand Ｄ：eye

3. The passage makes it clear that a very valuable use of many robots is to _____ .

[     ]

Ａ：act as a teacher to children Ｂ：replace the human brain in making computers Ｃ：help doctors in medical operations Ｄ：do tasks very dangerous for humans to do

4. Which of the following about the last sentence is true?

[     ]

Ａ：Robots are becoming cheaper all the time. Ｂ：Robots are becoming more and more expensive. Ｃ：The cost of a human worker is higher than that of the average (普通的) robot. Ｄ：The cost of the average robot is higher than that of a human worker.

5. The writer thinks that the widespread replacement of human labor by industrial robots _____.

[     ]

Ａ：has already begun worldwide Ｂ：is starting especially in the developing nations Ｃ：is being put off mainly for economic (经济的) reasons Ｄ：will not take place before the end of this century

题型：阅读理解  难度：中档

答案

1. D        2. B       3. D      4. D      5. C

据专家权威分析，试题“阅读下列短文，从四个选项中选出能回答所提问题或完成所给句子的..”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。