Directions: Using the information in the text, complete each sentence 6-10, with a word or phrase from the list below. For each

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问题     Directions: Using the information in the text, complete each sentence 6-10, with a word or phrase from the list below. For each sentence(6-10), mark one letter(A-G)on your Answer Sheet. Do not mark any letter twice.
    A. providing warning message
    B. shareware programs are illegally produced
    C. the Internet helps to increase the use of shareware
    D. shareware avoids costs of commercial distribution
    E. there were not many cheap quality commercial software
    F. you can test shareware before you decide whether to buy it
    G providing needed service, upgraded version of software and necessary documents
Shareware was very popular in 1980’s because ______.

选项

答案E

解析 由第3段可以得出:1981年左右,商业软件较少,出售软件的商店也少,这使共享软件风靡一时。
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