環境保護 デイリーステッカー 8.12 参加報酬 3 正解でさらに3
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単一選択問題；農地への灌漑用水路に工業廃水や都市の汚水を排出する場合、その下流にある（ ）の灌漑用水取水地点の水質が、農地灌漑用水の水質基準を満たしていることが求められる。A. 最も遠い B. 最も近い C. すべて D. 灌漑用水量が最も多い .B
B 私、当たってたの？えっ？
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