Extract 1（摘录一）A computerA computer is an information processor. It is given information, c

Extract 1（摘录一）
A computer
A computer is an information processor. It is given information, called data, instructed to do certain things and then show us the results. The data put into the computer is called the input and the results which come out are the output. Some people say the circle of large standing stones at Stonehenge is a kind of computer. Prehistory people worked out their calendar from the position of the shadows made by the sun shining on the stones.
Extract 2
Teach yourself new subjects and skills at your own pace with a home computer. Use it to help with schoolwork, for self-improvement, even to improve your career skills. Learn touchtyping.
Foreign languages or computer programming. A home computer can help children of all ages learn classroom subjects such as spelling, geography and others. In fact it makes learning fun. So if you want to teach yourself, or help your children teach themselves---get a home computer. It can also help you manage your personal finances(经济）or help you to work taxes and plan household budgets(预算）.You can make business a pleasure with a home computer.
【小题1】The writer introduces the words such as input and output in order to .A．introduce people to computer languageB．show computer language is the same as EnglishC．help people some scientific languageD．give people some scientific language【小题2】Why does the writer talk about Stonehenge in Extract 1?A．To give an example of the very first computer.B．To show that computers are older than mankind.C．To tell the difference between the past and the present.D．To give another way of explaining computers.【小题3】If you think of the circle of large standing stones as a computer, .A．the shadow is the input and the position is the output B．the sunlight is the input and the calendar is the outputC．the position is the input and the sunlight is the outputD．the calendar is the input and the shadow is the output【小题4】Extract 2 is probably taken from .A．a computer textbookB．a company's advertisementC．a teach-yourself computer bookD．a children's guide to computersA

(答案→)A 解析：本文叙述了什么是电脑，介绍了input和output这两个电脑语言；第二部分主要叙述了电脑在日常生活中的作用，它是人们不可缺少的东西。【小题1】推理判断题。为了向人们介绍了一些电脑语言，故选A。【小题2】推理判断题。为了向人们介绍另一种解释地懊恼的方法，故选D。【小题3】 推理判断题。根据Prehistory people worked out their calendar from the position of the shadows made by the sun shining on the stones.阳光是输入，日历就是输出，故选B。【小题4】文章出处题。根据这一部分的内容可知主要叙述的电脑的好处用途，故选B。

对的，就是这个意思