Teeth are important．Strong，healthy teeth help you chew foods that help you grow．They help you speak clearly．And，they help you look your best．Here are some tips for you to take care of your teeth．
1．Brush your teeth in the right way．
Brush your teeth at least twice a day—after breakfast and 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．Brush away from your gums，too．
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 your toothbrush，be sure it has soft bristles．
2．Learn how to floss your teeth．
Flossing is a very important way to keep your teeth healthy．Food may hide in places where a toothbrush cannot get to，like the space between two teeth．Flossing can help get rid of it．Carefully move floss between two teeth．Up and down．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 of tooth decay．Eating sugar before you go to bed can make things even worse，eat lots of fruit and vegetables and drink water instead of soda．
【小题1】The passage is mainly about ．A．teeth are important.B．how to brush and floss your teethC．how to form good eating habitsD．how to take care of your teeth【小题2】The underlined word “tips” in this passage means ．A．money given to the waiter for personal servicesB．piece of advice on how to do somethingC．light blow, tapD．thin end of something【小题3】Which is NOT mentioned in this passage？A．Flossing your teeth．B．Having good eating habits．C．Brushing your teeth．D．Going to see the dentist．【小题4】Which of the following statements is NOT true according to this article？A．We should brush our teeth at least twice a day．B．Flossing can help to get rid of the food hidden between two teeth．C．One of the major causes of tooth decay is eating sugar．D．We don’t have to brush our teeth if we eat a lot of fruit and vegetables．D
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(答案→)D
解析：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。
【小题1】D主旨大意题．文章首段提出牙齿的重要性，引出话题Here are some tips for you to take care of your teeth．然后又详细介绍了几种保护牙齿的方法，所以文章中心是关于牙齿保护问题的，故D选项正确．
【小题2】B词义猜测题．根据内容可知下面几段都是介绍如何保护牙齿的，由此可知“tips”意思是“建议，窍门”，所以B选项正确．
【小题3】D细节理解题．根据文中的三个小标题1．Brush your teeth in the right way．2．Learn how to floss your teeth3．Have good eating habits．可知A、B、C选项内容文中都有涉及，而D项内容却没有提到，所以答案选D．
【小题4】D细节理解题．根据Brush your teeth at least twice a day—after breakfast and lunch or after sweet snacks，可知D选项内容错误，所以答案选D。