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Sulfur dioxide, amajor contributor to acid rain, is an especially serious pollutant becauseit diminishes the respiratory system’s ability to deal with all otherpollutants. A. anespecially serious pollutant because it diminishes the respiratory system’sability to deal C. anespecially serious pollutant because it diminishes the capability of therespiratory system in dealing
正确答案是A,但是请看我对A的理解,我觉得A选项中有歧义。 它可以理解为以下两种情况: 1. anespecially serious pollutant because it diminishes the (respiratory system’sability to deal) 这里指的是它减弱了系统对抗别的污染物的能力 2. anespecially serious pollutant because it diminishes the (respiratory system’sability) to deal 这里指的是它减弱了系统的能力,(主语:Sulfur dioxide)来对抗别的污染物
请高手指教!!
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