题目内容：

 

 

1.________ A small change in your daily routine can bring about noticeable improvements for the situation of sub-health（亚健康）. The following are simple suggestions for students to fight sub-health. 5 to 7 am: This is the best time to get up. Getting up early and having a good breakfast is the easiest way to raise your energy and fight tiredness.

2.________ A study shows that drinking water before work and study improves cognitive(认知的) ability. Drinking two liters of water can circulate（使循环）the levels of oxygen and minerals in the body.

3.________ Take your eyes off the book or screen every two hours and look into the distance. The eyes can affect brain and heart functions if overused, which can lead to a risk of sudden death.

4._______ Working out for one hour every day is important for students to remain healthy. Taking part in group sports is also a good way to reduce pressure.

5.________ Reading paper-based books is good for improving concentration. A consistent amount of information allows you to memorize more efficiently. 10 pm to 11 pm: This is the suggested bedtime.