题目

利用实验器材(规格和数量不限)，能完成相应实验的一项是( ) 选项实验器材(省略夹持装置)相应实验 A烧杯、玻璃棒、蒸发皿硫酸铜溶液的浓缩结晶 B烧杯、玻璃棒、胶头滴管、滤纸用盐酸除去硫酸钡中的少量碳酸钡 C烧杯、玻璃棒、胶头滴管、容量瓶用固体氯化钠配制0.5 mol·L－1的溶液 D烧杯、玻璃棒、胶头滴管、分液漏斗用溴水和CCl4除去NaBr溶液中的少量NaI— My cousin often has nothing for breakfast, ______ she?— ______. Because she often gets up late and is afraid of being late for school.A.has; Yes B.doesn’t; No C.does; NoD.hasn’t; Yes