Teeth are important．Strong.healthy teeth help you chew 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 your teeth:1� 题目和参考答案——青夏教育精英家教网—

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16．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 your 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（用牙线清洁牙齿） 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）．

56．How many times at least should we brush our teeth a day？B
A.1
B.2
C.3
57．What is the major cause of tooth decay？C
A．Not brushing teeth
B．Not changing toothbrush
C．Eating sugar
58．How often should we change our toothbrushes？C
A．never
B．three times a month
C．every three months
59．The bristles of the toothbrush must beB
A．hard
B．soft
C．expensive
60．Which is the right way to take care of teeth？D
A．Only brush front teeth．
B．Not brush teeth before sleeping．
C．Eat lots of fruits and vegetables and drink water instead of soda．

分析文章大意：主要描述了牙齿对我们的健康的重要性和如何保护它们．提出了几点建议．

解答 56-60：BCCBD
56题答案：B 细节题．根据第三段第一句"Brush you teeth at least twice a day…"可知一天至少刷两次牙，故选B．
57题答案：C 细节题．根据文章倒数第二行"Eating sugar…of tooth decay．"可知吃糖是蛀牙的主要原因，故选C．
58题答案：C 细节题．根据第三段倒数第二行"Get a new toothbrush every three months．"可知每三个月换一次新牙刷，故选C．
59题答案：B 细节题．根据第三段最后一句"…be sure it has soft bristles．"可知牙刷的鬃毛必须是软的，故选B．
60题答案：D 细节题．根据文章最后一句"Eat lots of …instead of soda．"可知正确关爱牙齿的方法，故选D．

点评本文是一篇日常生活类阅读，题目涉及多道细节理解题，做题时结合原文和题目有针对性找出相关语句进行仔细分析，结合选项选出正确答案．推理判断也是要在抓住关键句子的基础上合理的分析才能得出正确的答案．

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