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환경보호 매일 한 장, 5.18 참여 보상 3, 정답 3개 추가 보상

2016-05-18View Original

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단일 선택 문제; “소음 배출”이란 소음의 발생원이 주변 생활 환경으로 ( ) 소음을 방출하는 것을 말합니다. A. 퍼져나가기 B. 확산되기 C. 배출하기 D. 방사하기.D
Reply #22016-05-18
“소음 배출”이란 소음의 발생원에서 주변 생활 환경으로 소음이 퍼져나가는 것을 말합니다(D. 방사).

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