【題目】為減少霧霾天氣的發(fā)生,下列措施可行的是
A.集中布局有污染的工業(yè)B.大力發(fā)展私家轎車
C.冬季取暖“煤改電”、“煤改氣”D.擴大城市面積
【答案】C
【解析】
霧霾天氣是一種大氣污染狀態(tài),霧霾是對大氣中各種懸浮顆粒物含量超標的籠統(tǒng)表述,尤其是PM2.5(空氣動力學當量直徑小于等于2.5微米的顆粒物)被認為是造成霧霾天氣的"元兇"。隨著空氣質(zhì)量的惡化,陰霾天氣現(xiàn)象出現(xiàn)增多,危害加重。中國不少地區(qū)把陰霾天氣現(xiàn)象并入霧一起作為災(zāi)害性天氣預(yù)警預(yù)報。統(tǒng)稱為"霧霾天氣"。
集中布局有污染的工業(yè),排放的總污染物未減少,A排除;大力發(fā)展私家轎車、擴大城市面積會導致人類活動排放的污染物增加,加重大氣污染,B、D排除;冬季取暖“煤改電”、“煤改氣”,減少了煙塵的排放,C符合題意;故選:C。
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