题目

    Nowadays，it is common to see 5-gallon bottles of water being sent to homes. Supermarket  shelves are filled with all kinds of bottled water from simple plastic bottles containing “pure spring water” to expensive foreign types of mineral water in glass bottles. In Europe，bottled water is as popular as soft drinks are in the USA．People are not only interested in the different choices of drinks，but also in the taste of bottled water and its health value.    All bottled water must list the content of the water on the bottle. Some companies mix minerals together to give the w判断以下说法的正误 A．普朗克在研究黑体辐射问题中提出了能量子假说 B．康普顿效应说明光子有动量，即光具有粒子性 C．玻尔建立了量子理论，成功解释了各种原子发光现象         D．天然放射现象的发现揭示了原子的核式结构