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毎日1問、正解者には6つの財富を、参加者には2つの財富をプレゼント;9月19日

2016-09-19View Original

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複数選択問題:化学工場の建屋内で大型機器が稼働している際、騒音が大きく80デシベルを超えると、長時間にわたってこのような騒音過多の環境にいることが人体の中枢神経系に与える影響は( ) 。 A. 心拍数の増加 B. 血管痙攣 C. 脳皮質の興奮 D. 抑制機能の失調 答え:CD

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