题目

阅读理解 The uninvolved dad, turning up his nose at diapering(换尿布) and too busy to bathe, dress and play with his kids, is mostly a myth(神话) , a big government survey suggests. Most American fathers say they are heavily involved in hands-on parenting, the researchers found. The results are encouraging and important because others have found the more involved dads are, the better the outcomes for their children. said researcher Jo Jones of the National Center for Health Statistics, part of the Centers for Disease Control Prevention. She co-authored the report released Friday. T下列说法完全正确的是（　　）A．氖气的化学式--Ne2B．二氧化碳--由原子构成C．决定元素的化学性质--最外层电子数D．分子--化学变化中的最小粒子