The home computer industry has been growing rapidly in the United States for the last ten

The home computer industry has been growing rapidly in the United States for the last ten years . Computers used to be large, expensive machines that were very difficult to use . But scientists and technicians have been making them smaller and cheaper while at the same time they have been made easier to use. As a result, their popularity has been increasing as more people have been buying computers for their homes and businesses. Computers have been designed to store information and compute problems that are difficult for human beings to work out. Some have voices that speak with the operators. Stores use computers to keep records of their inventories(库存货物) and to send bills to their customers(顾客) . Offices use computers to copy letters, record business and keep in touch with other offices. People have been using computers in their homes to keep track of the money they spend.
One important new use for computers is for entertainment(娱乐). Many new games have been designed to be played on the computers. People of all ages have been playing these games, People also have been buying home computers to play computer games, watch movies and listen to concerts at home. They have become very popular indeed.
【小题1】 Computers used to .A．work rapidlyB．be large and expensiveC．be easy to useD．be used for fun【小题2】 In recent years , computers are being made .A．larger and more expensiveB．smaller and cheaperC．more difficult to useD．to work more slowly【小题3】 Home computers can be used for . A．writing lettersB．playing games C．doing businessD．all of the above【小题4】 Salesmen use computers mainly to .A．check the list of goods and materials that are kept in the store houseB．play games for pleasureC．talk with their friendsD．write lettersB

(答案→)B 解析：本文讲述了家用电脑的发展和用途。【小题1】细节题：从文中第一段第二句“ be large, expensive”可得出答案，选B。【小题2】细节题：从文中第一段第三句“smaller and cheaper”可得出答案，选B。【小题3】此题可以从第二段和第三段提到了writing letters ， playing games ， doing business ，故选D 【小题4】从第二段第三句“商店使用电脑记录他们的清单(库存货物)并把帐单发寄给他们的客户”可得出答案，选A。

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