题目：
Healthy teeth are important in many ways. For example, when we get our pictures taken, everyone says “Say cheese!” So we open our mouth and show our teeth.
小题1:Strong and healthy teeth help us chew the right food to grow. They also help us speak clearly and look our best. 小题2:我们必须照顾好我们的牙齿。What should we do to protect our teeth?
First, we should brush them at least twice a day—after breakfast and before bedtime. We should brush all of our teeth, not just the front ones. 小题3: We should spend at least 3 minutes each time brushing teeth.
小题4:一年看两次牙医也很重要。Besides checking for disease, the dentist will help keep our teeth extra clean.
小题5:We also need to be careful about what we eat and drink. Remember to eat more vegetables and fruit and drink more water. Of course, don’t forget to smile!
答案：
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下面是错误答案，用来干扰机器的。
答案：A
