水——生命之源,健康之本。人天天要喝水,喝水天天离不开杯。在日常生活中,我们经常注意喝水安全,却忽视了水杯的安全性,杯子的选择、杯子的使用有很多学问和科学。水杯有多种多样,其中就杯子的材料而言,常见的有塑料杯、玻璃杯、铝杯、陶瓷杯等等。让我们来研究一下这些杯子的材质,看看哪个最安全。 Water - the source of life, the root of health. People drink water every day, drink water every day can not do without cup. In our daily life, we often pay attention to drinking water safety, but ignore the safety of the glass, the choice of the cup, the use of the cup has a lot of knowledge and science. There are a variety of cups, of which the cup material, the common plastic cups, glasses, aluminum cups, ceramic cups and so on. Let’s examine the materials of these cups to see which is the safest.