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Have you ever complained why life is so tiring? Does the sky sometimes seem dark to you? Are your lessons sometimes not successful? Well, friends, cheer up and   15  all the time. If you see the world with your warm heart, you’ll   16  the whole world smiling to you.
On a sunny morning, you plan to have a walk   17  yourself. Just before you go out, it suddenly starts to rain. Maybe you would feel very sad and start to complain about the weather. But dear friends, why   18  sit down and listen to the free concert that the nature brings you? And with the timely rain, crops（莊稼）in the fields will grow better and farmers will have a good harvest（收成）.
Everyone wants to succeed in what he tries to do,    19  life isn’t a bed of roses. It’s very common to meet difficulties on the way    20   success. In fact, difficulty isn’t terrible. The real terrible thing is that we are afraid of it. Difficulty is like spring（彈簧）. If you are   21 , it will be strong. Attitude（態度） decides   22 . With an optimistic (樂觀的) attitude, life is easy and   23 . So when you meet difficulties, don’t give up. Instead, you should face them with a smile. Remember these five rules: Free your heart from hate; Free your mind from worries; Live an easy life; Give more; Expect   24 .

Everyone wants to have healthy teeth. When you laugh, you will   1    your mouth and show your teeth. The healthier your teeth are, the happier you feel. Why is that?

It's   2    your teeth are important in many ways. Take care of them, and they'll help to take care of you. Strong,   3    teeth help you grow. They also help you speak clearly. You can take pate of your teeth by doing like these:

Brush your teeth   4    a day, after getting up and before bedtime. And you brush all of your teeth, not just the front ones. Spend some time   5    the teeth along the sides and in the back. Take your time while brushing. Spend at least three   6     each time you brush. Be sure your toothbrush is soft. Ask your parents to help you get a new toothbrush   7    three months. Clean between your teeth with dental floss(牙線).It feels strange when you do it   8    first, but soon you'll get used to doing it. Brushing   9    your teeth healthy. You also need to care about what you eat and drink. Eat    10  fruits and vegetables and drink water instead of drinks.

Do you want to have white and healthy teeth? Please brush your teeth!

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