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题库 / Prep2008E1-SC-243
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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1. capability to do；GMAT认为capability of X-ing/in X-ing是wordy/awkward的。
2. ability：sb's ability to do sth或ability of sb/sth to do sth
3. capability in doing错，此处in dealing有做状语修饰整个从句的歧义，变为Sulfur dioxide在dealing with的时候减少了respiratory system的能力，而不是原义想要表达的，减少了respiratory system的deal with…的能力；capability如果后面要加in doing,最好紧跟capability，避免歧义
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