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    精英家教网 > 高中英语 > 题目详情
    Teenagers _____their health because they play computer games too much.
    A．have damagedB．are damaging
    C．damagedD．will damage
    B

    试题分析:考查动词时态。因为后面because引导的状语从句用一般现在时，所以排除C、D选项。现在完成时表示已经发生或完成的动作，而现在进行时表示一直进行的动作，从语境判断在玩电脑游戏时，就一直在损害着自己的健康，所以B选项正确。句意：青少年在损害着自己的健康，因为他们玩太多的电脑游戏。
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