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  3. The home computers industry has been growing【21】in the world for the last twenty years. Computers used to be large, expensive ma

The home computers industry has been growing【21】in the world for the last twenty years. Computers used to be large, expensive ma

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问题     The home computers industry has been growing【21】in the world for the last twenty years. Computers used to be large, expensive machines that【22】very difficult to use. But scientists and technicians have been making smaller and cheaper while at the same time they have been made easier to use. As【23】, their popularity has been increasing as more people have been buying computers for their homes and businesses.
    Computers have been designed to store【24】and compute complex problems. Computers are used in【25】traffic in some cities. Stores use computers to keep records of their goods and to send【26】to their customers. Offices use computers to type letters, record business and communicate【27】other offices. People have been using computers in their homes to keep track of expenses and【28】their household appliances on and off.
    One important new【29】for computers is for entertainment. Many new games which have been designed to be played on the computers have become very popular【30】.
选项 A、application
B、usage
C、use
D、service
答案C
解析 A．application应用，运用(the putting to use)；B．usage用法，使用(the way something is used)；C．use用途，用处(the purpose for using something)；D．service服务，效劳(work done for someone else.)结合本句的意思：计算机一个新的重要用途是娱乐。应选C．use为正确答案。
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