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每天放学时,学校周边的商店里一些花花绿绿的小零食和饮料吸引了众多学生。这些小零食中,很多是由小食品厂生产,有些甚至是无生产日期、无质量合格证以及无生产厂家的“三无”产品。然而,这些或咸或甜或香或辣又极其便宜的零食,对学生们充满了无限的诱惑。看他们吃得津津有味的样子,就像在品尝人间美味。许多家长不让孩子吃这些零食,也只知道不卫生,孩子吃了会喉咙疼、肚子疼等。然而,小零食的危害可不止这个。有研究证明,小零食的危害在于重金属污染。
Every day after school, some of the colorful snacks and drinks in the shops surrounding the school attract many students. Many of these snacks are produced by small food factories, and some are even non-production dates, non-quality certificates, and non-manufacturer products. However, these snacks, salty or sweet or spicy or spicy, are extremely tempting for students. Watching them eat relish looks like delicious food in the world. Many parents do not let their children eat these snacks, only know that unsanitary, children eat will be sore throat, stomach ache and so on. However, the harm of small snacks can be more than this. Studies have shown that the danger of small snacks is heavy metal pollution.