参考答案如下：
1. Yes, it does.
2. They can buy fresh fruit, vegetables and fish.
3. Fifty students every day.
4. Because they thought students would go hungry with the new food.
5. 译：专家们认为，这条“健康食品”的新规定是好的，但要让学生们喜欢上它也许得花些时间。
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