环境污染已成为人类社会面临的重大威胁,各种污染数不胜数。下列

环境污染已成为人类社会面临的重大威胁,各种污染数不胜数。下列名词与环境污染无关的是(    )

①富营养化  ②赤潮  ③酸雨  ④光化学污染  ⑤臭氧空洞  ⑥水俣病  ⑦潮汐  ⑧大脖子病  ⑨水华

A.②⑨               B.⑦⑧                   C.⑥⑦⑧                   D.②⑤⑦

答案

解析:题中有些名词对中学生来说不熟悉,这就要求我们平时多留心媒体传播的知识。潮汐是一种自然现象,大脖子病是缺碘引起的,这两个名词与环境污染无关。

答案:B

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