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    精英家教网 > 高中英语 > 题目详情

    You know, ________ knowledge of ________computer is necessary to a secretary(秘书).
    A．a; /B．the; theC．the; /D．a; a
    A
    考查冠词：一般情况knowledge是抽象名词，不可数，不能加冠词。但如果是指对专门一项技术或者学科的掌握，就变成可数了，前面要加a。后面computer，电脑，泛指，不需要冠词。选A。
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