如题, 请热心人士帮助解答。。 谢谢 Sulfur dioxide, a major contributor to acid rain, is an especially serious pollutant because it diminishes the respiratory system’s ability to deal with all other pollutants.
- an especially serious pollutant because it diminishes the respiratory system’s ability to deal
- an especially serious pollutant because of diminishing the respiratory system’s capability of dealing
- an especially serious pollutant because it diminishes the capability of the respiratory system in dealing
- a specially serious pollutant because it diminishes the capability of the respiratory system to deal
- a specially serious pollutant because of diminishing the respiratory system’s ability to deal
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