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    精英家教网 > 高中英语 > 题目详情
    It is said that the software on learning subjects for pupils       in a very practical way.
    A．designedB．designingC．are designedD．is designed
    D

    试题分析： 本句的主语是the software是一个单数名词，再根据前面的is说明本句使用一般现在时。句意：据说关于学生学习的软件是用一种特殊的方法被设计出来的。根据句意说明使用被动语态的形式。故D正确，
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