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同学们经常买矿泉水喝。喝矿泉水既可以解渴,对身体也有益。但如果同学们买到了劣质的矿泉水就得不偿失了。今天我就教大家几个选择矿泉水的小窍门。检查瓶口密封情况将瓶子倒置几分钟,如果瓶口有漏水现象,说明瓶盖密封不严,瓶中的矿泉水很有可能已被细菌污染。观察水的颜色矿泉水在阳光下呈无色透明状态,且没有任何杂质,透明度要比自来水高,摇动时无混浊现象。闻气味纯净的矿泉水应清纯无味,如果闻到矿泉水中有气味,证明水质已受到污染。
Students often buy mineral water to drink. Drinking mineral water can both quench their thirst and benefit the body. However, if students bought inferior mineral water would outweigh the benefits. Today I teach you a few tips to choose mineral water. Check the bottle seal the bottle upside down a few minutes, if there is a leaky bottle, indicating the bottle seal is not strict, the bottle of mineral water is likely to have been bacterial contamination. Observe the color of water Mineral water in the sun was colorless and transparent state, and without any impurities, transparency than tap water, no turbidity when shaking. Smell pure mineral water should be pure and tasteless, if you smell the smell of mineral water, water quality has been contaminated.