A smile will tell people around you that you are a kind and friendly person. However,many

A smile will tell people around you that you are a kind and friendly person. However,many people don’t smile because they think they ugly teeth. For example, one of my classmates, Mile, doesn’t have very nice teeth,so thatis why he seldom opens his mouth.he even says that he has lost cofidence because of his teeth.So it is very important for us to look after our teeth. In fact, a lot of people have this problem.Some people inherit teeth problems from their parents,while others’teeth are damaged because of bad habits,like heavy smoking,eating too much sugar or not brush-ing teeth often.If your teeth are in bad shape, you should see a dentist and ask for help. They can help improve your teeth and tell you how to take care of then.
Smiling can help you to feel more confident and make other people think of you as a more friendly person. If you want to keep healthy,you should not only smile but also laugh. An Indian doctor called Kataria said that young children should laugh about 300 times a day, wile adults should laugh between 7 and 15 times a day. So please take this chance to smile and laugh now!
根据短文内容，选出一个最佳答案填入题前括号内。
【小题1】What has made Mike lose his confidence?
His bad habit. B. His bad teeth. C. Not smiling. D. Eating too much sugar.
【小题2】 Many people don’t smile because .A．they don’t like smilingB．they think they are uglyC．their teeth are not beautifulD．they can’t open their mouths【小题3】 What can a dentist do according to the passage?
A. A dentist can tell you how to improve your bad teeth.
B. A dentist can help you to take care of your bad teeth.
C. A dentist can tell you how to brush your teeth.
D. Both A and B.
【小题4】If you want to keep healthy, you had better .A．not smile oftenB．laugh all the timeC．neiter smile nor laughD．smile and even laugh often【小题5】 How many times should a child laugh every day in doctor Kataria’s opinion?A．Either 300 or 30 times a day.B．Between 7 and 15 times a day.C．Around 300 times a day.D．Only 30 times a day.B

(答案→)B 解析：【小题1】本文的第三行为one of my classmates, Mile, doesn’t have very nice teeth,so thatis why he seldom opens his mouth所表示的含义为迈克很少笑是因为他有坏的牙齿，故本题选.B。【小题2】本文的第二行为many people don’t smile because they think they ugly teeth表示的含义为许多人不笑，因为他们认为他们的牙齿是丑的，故本题选.C。【小题3】本文第一段最后两句为you should see a dentist and ask for help. They can help improve your teeth and tell you how to take care of then.所表示的含义为牙医的建议可以有助于改善你的牙齿和保护好你的牙齿，故本题选D。【小题4】本文第二段第二行有一句为If you want to keep healthy,you should not only smile but also laugh. 所表示的含义为如果你想保持健康，你不仅要笑，而且要大笑，故本题选D。【小题5】本文第二段第三行为An Indian doctor called Kataria said that young children should laugh about 300 times a day, 所表示的含义为医生建议一个儿童每天应该笑大约三百次，故本题选C。

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