Question

【题目】Teeth are important. Strong , healthy teeth help you chew(咀嚼) foods that help you grow. They help you speak clearly. And yes ,they help you look best. Here are some tips for you to take care of you teeth:

1. 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, too. Brush all of your teeth, not just the front ones. Spend time brushing teeth along the sides and back of your mouth. 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 toothbrush, be sure it has soft bristles(鬃毛)．

2. Learn how to floss(用牙线剔牙) your teeth..

Flossing is a very important way to keep your teeth healthy. Food may hide between two teeth. Flossing can help get rid of it. You’ll need to floss your teeth at least once a day.

3. Have good eating habits.

You need to be careful about what you eat and drink. Eating sugar is a major cause of tooth decay(蛀牙). Eat lots of fruits and vegetables and drink water instead of soda（苏打）.

【1】What is the major cause of tooth decay? ______

A. Not brushing teeth B. Not changing toothbrush

C. Eating sugar D. Not flossing teeth

【2】How often should we change our toothbrushes?

A. never B. three times a month

C. every three months D. every month

【4】The bristles of the toothbrush must be______

A. hard B. soft C. expensive D. not mentioned

【5】Which is the right way to take care of teeth? ______

A. Only brush front teeth.

B. Not brush teeth before sleeping.

C. Spend at most three minutes to brush teeth each time.

D. Eat lots of fruits and vegetables and drink water instead of soda.

Answer 1

【答案】

【1】C

【2】C

【3】B

【4】D

【解析】

试题分析：这篇短文主要讲述了健康结实的牙齿对我们来说是非常重要的。健康的牙齿能帮助我们咀嚼帮助成长的食物；它们能让我们说话时口齿清晰；并且，它们让我们拥有姣好的容貌。既然牙齿有这么多的好处，那么怎样保护我们的牙齿呢？作者在文中就此提出了几条建议。

【1】C细节理解题。根据短文Eating sugar is a major cause of tooth decay(蛀牙)可知造成蛀牙的主要原因是吃糖。故选C。

【2】C细节理解题。根据短文Get a new toothbrush every three months.可知我们每三个月换一次牙刷。故选C。

【3】B推理判断题。根据短文When you buy toothbrush, be sure it has soft bristles(鬃毛)．可知牙刷的鬃毛必须柔软。故选B。

【4】D推理判断题。根据短文Eat lots of fruits and vegetables and drink water instead of soda（苏打）.可知这是照顾牙的正确方式。故选D。