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    精英家教网 > 高中英语 > 题目详情
    —Don’t you know your computer has been inflected with viruses?
    — Really？No wonder it hasn’t_______ as properly as before.
    A．managedB．controlledC．operatedD．appeared
    C
    operate用作不及物动词, 意思为 “操作,运转”，句意：难怪计算机不如以前运转地正常了。其他选项均与句意不符：manage管理；经营生意；处理事务；control控制；支配；管理；appear出现；显露；好像。
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