下列各组变化中,均属于化学变化的一组是( )
A:蜡烛受热熔化、铁丝燃烧、玻璃破碎
B:铜生锈、水结冰、钢锭抽成丝
C:木材制成桌椅、车胎放炮、木炭燃烧
D:带火星木条在氧气中复燃、煤燃烧、澄清的石灰水变浑浊
— _________ my dictionary? I can't find it anywhere.
— I ________ it on the shelf when I came in.
化简-3227的结果是( )