環境保護 毎日1枚 3月30日参加特典 5問正解でさらに5
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正誤を判断する；建築資材や装飾材料、換気空調システム、オフィス機器、家庭用電化製品などは、室内空気質にとって最も重要な「見えない敵」です。（ ）√ × √
建築資材や装飾材料、換気空調システム、オフィス機器、家庭用電化製品などは、室内空気質にとって最も重要な「見えない敵」です。（ √ ）
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