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【题目】为减少雾霾天气的发生,下列措施可行的是

A.集中布局有污染的工业B.大力发展私家轿车

C.冬季取暖“煤改电”、“煤改气”D.扩大城市面积

【答案】C

【解析】

雾霾天气是一种大气污染状态,雾霾是对大气中各种悬浮颗粒物含量超标的笼统表述,尤其是PM2.5(空气动力学当量直径小于等于2.5微米的颗粒物)被认为是造成雾霾天气的"元凶"。随着空气质量的恶化,阴霾天气现象出现增多,危害加重。中国不少地区把阴霾天气现象并入雾一起作为灾害性天气预警预报。统称为"雾霾天气"

集中布局有污染的工业,排放的总污染物未减少,A排除;大力发展私家轿车、扩大城市面积会导致人类活动排放的污染物增加,加重大气污染,B、D排除;冬季取暖“煤改电”、“煤改气”,减少了烟尘的排放,C符合题意;故选:C。

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