修改时间:2021-05-20 浏览次数:82 类型:同步测试
Everyone must go to bed early and get up early , or we won't be healthy and clever.
Is it true ? Perhaps it is .The body must have enough sleep .Children need about ten hours' sleep every day .If you don't go to bed early, you won't have enough sleep. Then you can't think properly and can't do your work properly. You will not be clever.
Some people go to bed late and get up late. This is not good for them .We should sleep before ten o'clock .When the daytime comes, we must get up. This is the time for exercises. If you lack (缺乏) exercises,the body becomes weak. Exercises keep a strong body.
Exercises help the blood to flow (血液循环)around the body. This is very important .Blood takes food to all parts of our bodies.If we take exercises, we can also think better.
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