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    Teeth are important. Strong, healthy teeth help you chew foods that help you grow. They help you speak clearly. And, they help you look your best. Here are some advice for you to take care of your teeth.
    ● Brush your teeth the right way.
    Brush your teeth at least twice a day after breakfast and before bedtime. If you can, brush after lunch or after sweet snacks（快餐）, too.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   
    Brush all your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth. Brush away from your gums（齿龈）, too.
    Spend at least three minutes each time you brush. Play a song you like to help pass the time.
    Get a new toothbrush every three months. When you buy your tooth brush, be sure it has soft bristles（鬃毛）.
    ● Learn how to floss your teeth.
    Flossing is a very important way to keep your teeth healthy. Food may hide in places where a toothbrush cannot get to, like the space between the teeth. Flossing can help get rid of it. Carefully move the floss between two teeth, up and down. You need to floss your teeth at least once a day.
    ● Have good eating habits.
    You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay（腐朽）. Eating sugar before you go to bed can make things even worse. Eat lots of fruit and vegetables and drink water instead of soda.
    【小题1】           is helpful to your teeth.

    A．Eating fruit and vegetablesB．Eating sweet snacks
    C．Eating sugarD．Drinking soda
    【小题2】 Which is the right way of brushing the teeth?
    A．We should brush our teeth once a day.
    B．We should keep our toothbrush away from our gums.
    C．When we brush our teeth, at least three minutes is needed.
    D．Brush our teeth before breakfast.
    【小题3】 From the passage, do you know how to floss the teeth?
    A．Go to see a dentist.B．Fix a floss on the teeth.
    C．Move the floss between two teeth.D．Chew the floss in the mouth.
    【小题4】Which of the following is NOT true ?
    A．Flossing can help get ride of the food that hides between two teeth.
    B．Healthy teeth can help you look more beautiful.
    C．We don’t have to brush our teeth if we eat a lot of fruit and vegetables.
    D．Your toothbrush should be changed every three months.
    【小题5】 The best title for the passage is          .
    A．How to floss your teeth.
    B．How to have good eating habits.
    C．How to brush your teeth.
    D．How to take care of your teeth.

    【小题1】A【小题1】C【小题1】C【小题1】C【小题1】D

    解析【小题1】细节题：从最后一段的句子：Eat lots of fruit and vegetables and drink water instead of soda.可知选A。
    【小题1】细节题：从文章的句子：Spend at least three minutes each time you brush.可知答案是C
    【小题1】细节题：从文章的句子：Carefully move the floss between two teeth, up and down.可知答案是C
    【小题1】细节题：从文章的句子：Brush your teeth at least twice a day after breakfast and before bedtime. If you can, brush after lunch or after sweet snacks（快餐）, too.可知吃完蔬菜和水果也要刷牙。选C
    【小题1】主旨题：从文章的句子：Here are some advice for you to take care of your teeth.可知文章是如何保护你的牙齿。选 D

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    【小题1】           is helpful to your teeth.
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