【判断题】【消耗次数：1】
光化学烟雾是HC和NOx在太阳光紫外线作用下产生光化学反应生成的，它的主要成分是臭氧、醛等烟雾状物质。
①
正确
②
错误
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【单选题】
（）成为继“煤烟型”、“光化学烟雾型”污染后的第三种空气污染问题，已被列为影响公众健康的世界最大危害之一。
①
A.室内空气污染
②
B.石油型（或交通型或氧化型）污染
③
C.混合型污染
④
D.特殊型污染
【单选题】
阳光中的紫外线照射到皮肤上可生成( )。
①
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②
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③
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④
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【单选题】
关于化学反应速率的说法正确的是( )。
①
对于任何化学反应来说，反应速率越快，反应现象就越明显
②
化学反应速率是指一定时间内，任何一种反应物浓度的减少或任何一种生成物浓度的增加不变
③
根据反应速率的大小可知化学反应进行的相对快慢
④
化学反应速率可表示可逆反应进行的程度
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