Bad teeth can be painful -- and worse. They can even be deadly. Infections (感染) of the gums (牙龈) and the teeth can cause bacteria (细菌) to go into the blood system. Those bacteria can increase the chance of a heart attack and worsen the effects of other diseases. And adults are not the only ones at risk.
For example, in 2007, doctors in the Washington area said a boy died when a tooth infection spread to his brain. They said it might have been prevented had he received the dental care (牙齿保健) he needed. He was twelve years old.
Experts at the National Institutes of Health say good dental care starts at birth. Breast milk, they say, is the best food for the healthy development of teeth. Breast milk can help slow the growth of bacteria and acid production in the mouth.
But dentists say a baby's gums and early teeth should be cleaned after each feeding. Use a cloth with a little warm water. Do the same if a baby is fed with a bottle. Experts say if you decide to put your baby to sleep with a bottle, only give the child water.
When baby teeth begin to appear, you can clean them with a wet toothbrush. Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently.
The use of fluoride (氟化物) to protect teeth is common in many parts of the world. For example, it is often added to drinking water supplies. The fluoride mixes with enamel (珐琅质) , the hard surface on teeth, to help prevent holes from forming.
【小题1】Which of the following can be used as the title of the passage?
| A．Concerns for Healthy Teeth of the Young |
| B．Causes of Teeth Problem |
| C．Importance of Healthy Teeth of All |
| D．Solutions to Teeth Problem |
| A．How to develop babies' teeth. | B．How to keep babies' teeth clean |
| C．Why to protect babies' teeth | D．Why to keep babies' teeth clean |
| A．Enamel is most widely used to protect teeth in the world |
| B．Breast milk can cure babies' bad teeth |
| C．Bad teeth may affect the health of adults and the young |
| D．Babies' teeth should be brushed once per day |
| A．not only adults but the young may suffer from teeth problem |
| B．the doctors should be responsible for the case |
| C．babies with bad teeth can easily die |
| D．the boy was not fed with his breast milk |
【小题1】A
【小题2】B
【小题3】C
【小题4】A
解析试题分析：这篇文章主要讲了坏牙不仅会影响成年人的健康，还会影响儿童的健康。
【小题1】根据全文内容以及And adults are not the only ones at risk．故选A。
【小题2】根据全文内容以及Experts at the National Institutes of Health say good dental care starts at birth.故选B。
【小题3】根据Those bacteria can increase the chance of a heart attack and worsen the effects of other diseases. And adults are not the only ones at risk.所以答案为C。
【小题4】根据And adults are not the only ones at risk.
For example, in 2007, doctors in the Washington area said a boy died when a tooth infection spread to his brain.所以答案为A。
考点：健康保健类短文阅读理解
点评：要想答好题目，重在理解全文意思。这篇文章比较难，先看问题，再带着问题读短文，找出各段落的主旨句，理解全文内容，总结全文中心，然后再回到问题上来，很容易选出正确答案。多了解一些常识性知识有利于阅读理解。如果对文章的相关背景有所了解，读起文章一定既省时又省力。因此，在学习过程中，了解各方面的背景知识是十分重要的。
阅读快车系列答案科目：高中英语 来源： 题型：阅读理解
Every person needs water and a diet of __36_ foods. These foods should contain some fat, some fiber, a little salt and so on.
People need energy 37 . They eat different kinds of food which change into _38___. The energy is __39__ in calories. Even when you 40 , you are using energy – about 65 calories an hour. 41__ you are at school, or walking home, your body is burning up 100 calories an hour. When playing football or basketball, you 42 be using 400 calories an hour. On Sports Day, during the relay race, you will use most of all, 43 as much as 650 calories an hour.
The Chinese diet is considered to be the healthiest in the world. It contains a lot of fruit and green vegetables. It is 44 in fiber and low in sugar and fat. The Chinese eat less sugar than many other countries in the world. That is 45 lots of people in China have healthy white teeth.
People in the Western world do not eat 46 healthy foods. They eat 47 fat and sugar 48 don’t take enough 49 . Because of this, they 50 weight very easily. Their diet contains a lot of fat in the 51 of potato crisps, potato chips, __52_, cream and chocolate. They eat a lot of sugar which exist in cakes, soft drinks, 53 and so on. The result is that many of them become fat. 54 some have bad teeth. In some parts of Britain, one person in ten, 55 the age of thirty, has no teeth left.
36.A. healthy B. health C. cheap D. expensive
37. A. for life B. live C. to live with D. for a living
38. A. fat B. energy C. power D. strength
39. A. measuring B. taken C. measured D. measure
40. A. are asleep B. fall asleep C. go to sleep D. go to bed
41. A. While B. During C. As D. If
42. A. must B. can C. need D. might
43. A. surely B. usually C. perhaps D. hardly
44. A. rich B. poor C. good C. bad
45. A. how B. why C. what D. that
46. A. so B. such C. quite D. very
47. A. much too B. many too C. too many D. too much
48. A. and B. but C. so D. because
49. A. exercises B. food C. work D. exercise
50. A. put on B. gain on C. get on D. put up
51. A. type B. form C. kind D. sort
52. A. vegetables B. tomato C. butter D. rice
53. A. sweets B. sweet C. candy bar D. sweet thing
54. A. But B. Or C. And D. So
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完形填空（共15小题；每小题2分，满分30分）
阅读下面短文，掌握其大意，然后从21-35各题所给的四个选项中选出一个最佳答案。
Every person needs water and a diet of healthy foods. These foods should contain some fat, some fiber, a little salt and so on.
People need energy 21 . They eat different kinds of food which change into energy. The energy is 22 in calories(卡). Even when you 23, you are using energy – about 65 calories an hour. 24 you are at school, or walking home, your body is burning up 100 calories an hour. When playing football or basketball, you 25 be using 400 calories an hour. On Sports Day, during the relay race, you will use most of all, 26 as much as 650 calories an hour.
The Chinese diet is considered to be the healthiest in the world. It contains a lot of fruit and green vegetables. It is 27 in fiber and low in sugar and fat. The Chinese eat less sugar than many other countries in the world. That is 28 lots of people in China have healthy white teeth.
People in the Western world do not eat such healthy foods. They eat 29 fat and sugar and don’t take enough 30 . Because of this, they 31 weight very easily. Their diet contains a lot of 32 in the form of potato crisps, potato chips, butter, cream and chocolate. They eat a lot of sugar which exist in cakes, soft drinks, 33 and so on. The result is that many of them become fat. 34 some have bad teeth. In some parts of Britain, one person in ten, 35 the age of thirty, has no teeth left.
21. A. to sleep B. to live C. to eat D .to walk
22. A. measuring B. taken C. measured D. measure
23. A. are asleep B. have a dream C. have a rest D. go to bed
24. A. While B. During C. As D. If
25. A. must B. should C. need D. might
26. A. surely B. ever C. perhaps D. seldom
27. A. rich B. poor C. good D. bad
28. A. how B. why C. what D. that
29. A. much too B. many too C. too many D. too much
30. A. activities B. food C. work D. exercise
31. A. put on B. gain on C. get on D. put up
32. A. sugar B.fat C. salt D. fiber
33. A. sweets B. vegetables C. meat D. potato
34. A. But B. Or C. And D. As
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Bad teeth can be painful — and worse. They can even be deadly. Infections (感染）of the gums (牙龈）and the teeth can cause bacteria (细菌）to go into the blood system. Those bacteria can increase the chance of a heart attack and worsen the effects of other diseases. And adults are not the only ones at risk. For example, in 2007, doctors in the Washington area said a boy died when a tooth infection spread to his brain. They said it might have been prevented had he received the dental care (牙齿 保健）he needed. He was twelve years old.
Experts at the National Institutes of Health say good dental care starts at birth. Breast milk, they say, is the best food for the healthy development of teeth. Breast milk can help slow the growth of bacteria and acid production in the mouth.
But dentists say a baby's gums and early teeth should be cleaned after each feeding. Use a cloth with a little warm water. Do the same if a baby is fed with a bottle. Experts say if you decide to put your baby to sleep with a bottle, only give the child water.
When baby teeth begin to appear, you can clean them with a wet toothbrush. Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently.
The use of fluoride (氟化物）to protect teeth is common in many parts of the world. For example, it is often added to drinking water supplies. The fluoride mixes with enamel (法琅质)， the hard surface on teeth, to help prevent holes from forming.
31.According to the passage, bad teeth can be ____________.
A.painful B. deadly C.preventive D.incurable
32.The writer uses the boy's death as an example to show that _______?
A. not only adults but the young may suffer from teeth problem
B. babies with bad teeth can easily die
C. the doctors should be responsible for the case
D. the boy was not fed with his breast milk
33. What's the main idea of paragraph 4 and 5?
A. How to develop babies' teeth. B. Why to protect babies' teeth
C. How to keep babies' teeth clean D. Why to keep babies' teeth clean
34. The passage tells us that _______.
A. Enamel is most widely used to protect teeth in the world
B. Bad teeth may affect the health of adults and the young
C. Breast milk can cure babies' bad teeth
D. Babies' teeth should be brushed once per day
35.Which of the following can be used as the title of the passage?
A. Concerns for Healthy Teeth of the Young B. Importance of Healthy Teeth of All
C. Causes of Teeth Problem D. Solutions to Teeth Problem
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Bad teeth can be painful -- and worse. They can even be deadly. Infections (感染) of the gums (牙龈) and the teeth can cause bacteria (细菌) to go into the blood system. Those bacteria can increase the chance of a heart attack and worsen the effects of other diseases. And adults are not the only ones at risk.
For example, in 2007, doctors in the Washington area said a boy died when a tooth infection spread to his brain. They said it might have been prevented had he received the dental care (牙齿保健) he needed. He was twelve years old.
Experts at the National Institutes of Health say good dental care starts at birth. Breast milk, they say, is the best food for the healthy development of teeth. Breast milk can help slow the growth of bacteria and acid production in the mouth.
But dentists say a baby's gums and early teeth should be cleaned after each feeding. Use a cloth with a little warm water. Do the same if a baby is fed with a bottle. Experts say if you decide to put your baby to sleep with a bottle, only give the child water.
When baby teeth begin to appear, you can clean them with a wet toothbrush. Dentists say it is important to find soft toothbrushes made especially for babies and to use them very gently.
The use of fluoride (氟化物) to protect teeth is common in many parts of the world. For example, it is often added to drinking water supplies. The fluoride mixes with enamel (珐琅质) , the hard surface on teeth, to help prevent holes from forming.
1.Which of the following can be used as the title of the passage?
A．Concerns for Healthy Teeth of the Young
B．Causes of Teeth Problem
C．Importance of Healthy Teeth of All
D．Solutions to Teeth Problem
2.What's the main idea of paragraph 4 and 5?
A．How to develop babies' teeth. B．How to keep babies' teeth clean
C．Why to protect babies' teeth D．Why to keep babies' teeth clean
3.The passage indicates that ______.
A．Enamel is most widely used to protect teeth in the world
B．Breast milk can cure babies' bad teeth
C．Bad teeth may affect the health of adults and the young
D．Babies' teeth should be brushed once per day
4.The writer uses the boy's death as an example to show that ______.
A．not only adults but the young may suffer from teeth problem
B．the doctors should be responsible for the case
C．babies with bad teeth can easily die
D．the boy was not fed with his breast milk
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