可可电台，每期节目一话题，让英语磨练耳朵的同时学到更多有益的小知识，丰富知识的同时受益于生活。

集中注意力的秘诀

Sleep More

睡眠充足

Studies show that people who sleep fewer than eight hours a night for a prolonged period of time have slower response systems andmore difficulty recalling information. In fact, even minor restrictions in yoursleep patterns can affect your academic performance in a bad way.

研究表明长期处于睡眠时间少于8小时的人反应较迟钝，记忆力也会受损。实际上，即使是少睡一点点也能给你的学术表现带来负面影响。

Eat Healthier Foods

健康饮食

Foods that are high in fat and sugar might give youa temporary burst of energy, but that energy is soon followed by a crash. Onceyour body burns up the rush of nutrient-deprived, over-processed foods, you will start to feel groggy and lethargic.

高脂高糖的食物可能可以暂时让你补充大量能量，但是这些能量会很快被消耗完。一旦你的身体消化了这些没营养的过度加工食物，你就会昏昏欲睡。

【知识点讲解】

In fact 其实； 事实上；实际上；确切地说

例句：

In fact, I think an old car is better than none.

事实上，我认为有一辆旧车总比没车强。

This famous painting was thought to be by Van Gogh, but it is in fact a forgery.

人们以为这是凡·高的名画，其实是膺品。

I think so; in fact, I am quite sure.

我想如此，事实上我非常确信。

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