题目内燃机汽车尾气中包括哪些污染物?( )A. COB. NOxC. 颗粒物D. HC内燃机汽车尾气中包括哪些污染物?( )A. COB. NOxC. 颗粒物D. HC题目解答答案ABCDA. COB. NOxC. 颗粒物D. HC