有一次我生病了,妈妈带我去医院看病。医生告诉我们,平时要多吃水果,因为水果里含有丰富的维生素C,能增强抵抗力,也能美白肌肤。为什么维生素C能增强抵抗力、美白肌肤呢?我带着这个疑问,同爸爸一起设计了一个模拟实验:材料是清水一杯,碘酒和维生素C。首先,我拿来了一杯清水,仔细观察了一下,水是清澈透明的,然后我在清水里滴上几滴碘酒,顿时清水变成浑浊的水。我想:“这杯水就像我们的身体一样,受到病毒的侵害,变浑浊 Once I was sick, my mother took me to the hospital. Doctors tell us that usually eat more fruits, because the fruit is rich in vitamin C, can enhance the resistance, but also whiten the skin. Why vitamin C can enhance the resistance, skin whitening it? I took this question, with my father designed a simulation experiment: the material is a cup of water, iodine and vitamin C. First of all, I took a glass of water and observed it carefully. The water was clear and transparent. Then I dropped a few drops of iodine in the water and the water suddenly became cloudy. I think: ”This cup of water is just like our body, subject to viruses and turbidity