【題目】Human beings have used tools for a very long time. In some parts of the world you can still find tools that people used more than two million years ago. They made these tools by hitting one stone against another. In this way, they broke off pieces from one of the stones. These chips of stone were usually sharp on one side. People used them for cutting meat and skin from dead animals, and also for making other tools out of wood. Human beings needed to use tools because they did not have sharp teeth like other meat eating animals, such as lions and tigers. Tools helped people to get food more easily.

Working with tools also helped to develop human intelligence. The human brain grew bigger, and human beings began to invent more and more tools and machines. The stone chip was one of the first tools that people used, and perhaps it is the most important. Some scientists say that it was the key to success of mankind.

Since 1960 a new kind of tool has appeared. This is the silicon chip (硅芯片). It is smaller than a finger nail, but it can store lots of information. It is an electronic brain. Every year these chips get cleverer, but their size gets smaller, and their cost gets less. They are used in watches, calculators and intelligent machines that we can use in many ways. In the future we will not need to work with tools in the old way. Machines will do everything for us. People will have plenty of spare time. But what will they do with it?

Human beings used stone chips for more than two million years, but human life changed very little in that time. We have used silicon chips for only a few years, but life is changing faster every day. What will life be like twenty years from now? What will the world be like two million years from now?

【1】The silicon chip is mentioned in the passage to ________.

A. show the changes of tools

B. introduce a new kind of tool

C. give an example of using tools

D. compare the effects of two kinds of tools

【2】At the end of the passage the author seems to suggest that life in future is ________.

A. out of order B. less colorful

C. hard to predict D. full of meanings

【答案】

【1】D

【2】C

【解析】

試題分析:在本文中作者講述了工具對(duì)人類(lèi)社會(huì)發(fā)展的重要作用。首先鋒利的石頭片幫助人類(lèi)度過(guò)了早期的艱苦歲月，然后電子芯片的發(fā)明給人類(lèi)生活帶來(lái)巨大的變化。科技的強(qiáng)大和發(fā)展的迅速使人們很難預(yù)測(cè)未來(lái)是什么樣子的。

【1】D推理判斷題。作者以石頭片的使用來(lái)開(kāi)頭引出電子芯片的發(fā)明和使用，由此判斷作者只是對(duì)兩者來(lái)進(jìn)行比較，選D。

【2】C推理判斷題。根據(jù)末段的問(wèn)題可以推斷作者認(rèn)為科技發(fā)展的如此之快，未來(lái)很難預(yù)測(cè)，選C。

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