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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.措辞，because of 和beacuse+clause。of后面接名词，如果用动名词，应该用所有格。
这里的原因是一件事，所以直接接从句好一些，BE错。
2.idiom:正确ability to do sth，ability for sth,capability to do，capability of doing sth,capability for sth
CD错
3.措辞，specially 和especially
RON:especially=to an unusually high degree ,or,more so than comparable thing.(something unusual)
specially =done in special manner(on purpose)
这里用especially表示其污染的程度更深。DE错。
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