A-A+
Scientists have concluded that nonsmokers who must______inhale(吸入)the air polluted by to
问题详情
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!