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【单选题】
有关大气颗粒物哪一项是不正确的A.
大气颗粒物对呼吸道局部组织有堵塞作用
B.
大气颗粒物可作为其他污染物的载体
C.
大气颗粒物在上呼吸道沉积
D.
大气颗粒物上的化学成分有联合毒作用
E.
大气颗粒物可催化大气中的其他污染物转化为二次污染物
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