时间：2024-11-24 12:48:44 编辑：钰雅
UL是平均每日可以摄入营养素的最高量。这个量对一般人群中的几乎所有个体似不致于损害健康。UL的主要用途是检查个体摄入量过高的可能，避免发生中毒。当摄入量超过UL时，发生毒副作用的危险增加。在大多数情况下，UL包括膳食、强化食物和添加剂等各种来源的营养素之和。
We know that some of our students do not like eating lunch at school because the food isn’t delicious. So they often go out of school to buy something they like to eat. But I’m afraid it’s bad for their health to eat lunch outside because some of the food they buy isn’t healthy enough.
In my opinion, if our schools want more students to be back and enjoy lunch inside, they should make the food more delicious, and also they should offer our students a larger choice of food as well.
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