39 Properly fitted masks can help prevent life-threatening smoke______ during firefighting operation

問題詳情

39 Properly fitted masks can help prevent life-threatening smoke______ during firefighting operations.
(A) ring
(B) grenade
(C) inhalation
(D) signal

參考答案

答案：C

統計：A:2,B:3,C:10,D:1,E:0

難度：計算中

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