Question

Bad teeth may be painful and it’s getting worse without treatment. They can even ruin your life. Illness of the teeth can find its way into the blood system. This can increase the chances of a heart disease or other illnesses.

Experts say good care for teeth should start at birth. Mothers’ milk is the best food for the healthy development of teeth.

But dentists say a baby’s mouth 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, give him only water.

When baby’s 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. Young children often eat toothpaste (牙膏) when they brush, so they should be carefully watched when they brush their teeth.

Parents often ask what effect thumb sucking (咬手指) might have on their baby’s teeth. Experts generally agree that this is fine early in life. Most children stop sucking their thumbs by the age of four. If it continues, parents should talk to their children’s dentist or doctor.

Dentists say children should have their first dental visit by the time they are one year old. They say babies should be examined when their first teeth appear usually at around six months..

1.Why should people pay attention to teeth problems?

A. They can cause other illnesses.    B. They will bring bad luck.

C. They will bring the family much trouble.    D. They usually last a long time.

2.According to the writer, baby’s teeth should be protected from the day ______.

A. he begins to speak    B. he has his first tooth

C. he was born    D. he is fed with bottle milk

3.We can learn from the passage that_____.

A. children are not advised to brush their teeth

B. drinking water is better than milk before sleeping

C. children’s toothbrushes are always expensive

D. thumb sucking is common for kids under five years old

4.The underlined word “it” in Paragraph 5 refers to “_____”.

A. toothache    B. parents’ trouble    C. thumb sucking    D. experts’ advice

Answer

1.A

2.C

3.B

4.C

【解析】文章建议人们要关注牙齿问题，因为牙齿问题会导致其他疾病，孩子从一出生就要保护牙齿，平时要注意牙齿的护理和检查。

1.细节理解题。从文章第一段的句子：They can even ruin your life. Illness of the teeth can find its way into the blood system. This can increase the chances of a heart disease or other illnesses.可知牙齿问题会导致其他疾病，所以人们要注意牙齿问题，选A。

2.细节理解题。从文章第二段的句子：Experts say good care for teeth should start at birth.可知婴儿的牙齿从出生就要保护，选C。

3.推理判断题。根据第三段内容Experts say if you decide to put your baby to sleep with a bottle, give him only water.专家说，如果你决定用一个瓶子来让你的宝宝睡觉的话，只能给他水喝。可推断宝宝睡前喝水比喝牛奶健康。故选B。

4.句意理解题。从文章第五段的句子：Most children stop sucking their thumbs by the age of four. If it continues, parents should talk to their children’s dentist or doctor.可知it是指thumb sucking “咬手指”，故选C。