考试
2020-03-16 08:21:44

7782 Scientists have concluded

题目描述

Scientists have concluded that nonsmokers who must______inhale(吸入)the air polluted by to



Scientists have concluded that nonsmokers who must______inhale(吸入)the air polluted by tobacco smoke may suffer more than the smokers themselves.

A.involuntarily

B.instantaneously

C.spontaneously

D.reluctantly

请帮忙给出正确答案和分析,谢谢!

答案解析

Ainvoluntarily“非自愿地,

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