下列选项中，用热水比用冷水洗涤效果更好的是（）。
A.有油渍的碗筷
B.有汗渍的衣服
C.有血渍的衣服
D.有农药残留的蔬菜
参考答案：D
A．Legalizing drugs would be considered unconstitutional.
B．Decriminalizing drugs would be a surrender in a drug war that has not really even begun.
C．The black market would not really disappear with the legalization of drugs.
D．Legalization would lead to an increase in violent crime and child abuse.
常用的两类混凝剂是什么？
