3. Several studies in the last few years have shown that, for grown-ups especially, there may be nothing wrong with omitting breakfast.
4. Yes, because a good breakfast can provide us with enough energy to focus on our study the whole morning. / No, because I would like to spend the time lying in bed instead of bothering to cook.
5. 有关“早餐可以改善健康和工作状况”的科学依据少得惊人，而且最近的研究主要是针对儿童而不是成年人。
