The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxyg

题目简介

The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxyg

题目详情


The report noted that nicotine breathed in by a smoker increased the need of the heart ________ oxygen
A.toB.onC.inD.for
题型:单选题难度:偏易来源:不详

答案

D

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