题目

There are a lot of products out there that make your life easier. Some, however, are a little sillier than others — so much that they seem like joke products. Here are a few products that sound crazy, but actually rule. Sleep Phones It’s hard to imagine something sillier than a music-playing headband you wear while you sleep, but they exist — and are quite popular. Sleep Phones won’t give you the highest quality sound in the world, but if you prefer to fall asleep to music, they’re far more comfortable than normal headphones. While they’re a bit expensive, they might be pe下列说法正确的是（ ）A．白光和红光通过三棱镜都能发生光的色散现象B．白光通过三棱镜形成彩色的光带，这个实验说明白光是复色光C．不透明物体具有吸收光的能力，而透明物体则不能吸收光线D．星星和月亮都能发光，都属于光源