来源：文都四级系列图书 作者：郭崇兴
二、科技、文化、体育
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The Tape Recorder
The tape recorder is one of the most welcome and popular electronic devices ever invented. There are many types of recorders. Some may be as big as a hand box some may be as small as a watch. Now a new type called Walkman has come into being, which is so convenient that you can take it with you wherever you want to go. It is also very cheap, about forty or fifty yuan, and the most expensive one costs only several hundred, and it is very easy to handle even for a child. Therefore, almost each family has one or two recorders.
This device is useful in many ways. It is not only widely used in our daily life, for example, filming, sporting, exercising, but also used in National Security. It is an essential instrument for the young to learn foreign languages, for the old to listen to music or Peking Opera and for English teachers to make their class lively and interesting.
However, it can also become a nuisance if we use it improperly. It will have a bad effect on others or ourselves if we play it too long or too frequently. So we must make good use of it to promote our study and work.
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Computers
The computer is a wonderful machine. It is the most important invention in our modern time. Today it is used a great deal in many ways. In the future the computer will probably touch the life of every one, even people in remote villages.
Computers can do many kinds of work. For example, in big shops, information about the sale is put into a computer. During the night the computer works on the information from all the sales that day. The next morning, the manager has a report on everything that will soon be sold out. In scientific researches, a scientist can “ask” a computer some questions. This is almost like talking to another scientist.
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