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【毎日一題】2017.10.28

2017-10-28View Original

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フィルタ式防毒マスクの薬箱に塗られている茶色は、()を予防するためです。 A.一酸化炭素 B.アンモニアと硫化水素 C.有機化合物 D.酸性ガス。答え:C
Reply #22017-10-28
C. 有機化合物 フィルタ式防毒マスクの薬箱に塗られている茶色は、(C.有機化合物)からの防御のためです。 A.一酸化炭素 B.アンモニアと硫化水素 C.有機化合物 D.酸性ガス

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