Latest researches show children with high levels of air pollution during their first year of life ru

题目简介

Latest researches show children with high levels of air pollution during their first year of life ru

题目详情

Latest researches show children     with high levels of air pollution during their first
year of life run a greater risk of developing certain diseases.  
A.to be associatedB.being associated
C.having been associated D.associated
题型:单选题难度:偏易来源:不详

答案

D

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