学科：小学英语
版本：人教版
年级：一年级上册
媒体格式：doc
级别：教案
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发布时间：2008-10-27
来 源：查字典英语网
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高中英语第一册Unit 3 Computer教案
Look at the pictures on page 17. What are they? What do they have in common? Yes, they are computers. Then what is a computer?
A computer is a machine which stores knowledge in its memory and does calculations on that knowledge. This knowledge is stored in symbols; it is called data. A computer usually has a monitor to show results. However, some computers can speak; these computers can be used for voice mail.