95. 酸雨一般是指pH小于56的雨水。据此完成8~10题。     8.酸雨

95.

酸雨一般是指pH小于56的雨水。据此完成8~10题。

    8.酸雨的形成主要是由于(  )

    A.森林的破坏

    B.厄尔尼诺现象

    C.矿物燃料的燃烧向大气中排放二氧化硫和氧化氮等气体

    D.全球气候变暖

    9.酸雨的危害在于(  )

    ①使河湖水酸化,影响鱼类生长繁殖,乃至大量死亡 ②使土壤酸化,危害植物 ③腐蚀建筑物和文物 ④危害人体健康 ⑤使大气受到污染

    A.①②③④           B.①②④⑤

    C.②③④⑤           D.①③④⑤

    10.防治酸雨的根本途径是(  )

    A.研究煤炭中硫资源的开发利用

    B.减少人为硫氧化物和氮氧化物的排放

    C.发展洁净煤技术

    D.减少交通工具尾气的排放量

 

答案

8.C 9.A 10.B

 

形成酸雨的大气污染物主要有硫氧化物和氮氧化物,主要来自于矿物燃料的燃烧和汽车尾气。酸雨的危害是多方面的,包括对地表水、土壤、植被、建筑物及人体均造成影响。防治酸雨有许多措施,题中的四个选项都是,但根本措施就是减少人为硫氧化物和氮氧化物的排放。

 

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