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Some people like to get up late, but some do not. In fact, it is really good for us to     up early every day. Maybe those who don't like getting up early will not believe this,   it is true.
Scientists made a survey in about one thousand people, and then they found that early rising people had less disease            late rising people, and early rising people also looked healthier than late rising people, and so on.
So we may know early rising is helpful in more than one way.  , it helps to keep us healthy. We all need fresh air. But air is never as fresh as early in the morning. Besides, it is useful to do morning exercises. Second, early rising helps us in our studies. In the morning we learn more quickly and find it easier to understand what we learn. Third, early rising can give us a plan of our work for the day. We cannot work well a good plan. Fourthly, early rising gives us enough time to get  for our work, such as to wash our hands and faces and    our breakfast.
 risers may find it difficult to form the habit of early rising. They have to make an effort (努力）to do so. As the English proverb says, “Early to bed and early to rise makes a man healthy, wealthy and wise•”)