1. (2021五下·新会期末) 根据Passage Three的内容, 选择正确的一项。

Passage Three

Teeth are important. Strong and healthy teeth help you eat foods that help you grow. They help you speak clearly and look best. Here are two tips for you to take care of your teeth. First, brush your teeth the right way（办法）. Brush your teeth at least（最少）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. Get a new toothbrush every three months. Second, have good eating habits. Eating too much sugar is bad for your teeth. Eat lots of fruits and vegetables and drink more water but not soda.

1. （1） Strong and healthy teeth can help us speak__________.

   A . carefully B . loudly C . clearly
3. （2） We should brush our teeth at least__________ a day.

   A . once B . twice C . three times
5. （3） We should get__________ toothbrushes a year.

   A . three B . one C . four
7. （4） Eating too much sugar isn't__________ for our teeth.

   A . good B . bad C . unhealthy（不健康的）
9. （5） It is the right time to brush our teeth except（除了）__________.

   A . after breakfast B . before bedtime C . during the bedtime
11. （6） How long should we change（更换）the old toothbrush to the new one according to this passage（按照本文）?

    A . Every day B . Every three months C . Every week
13. （7） These are good eating habits except（除了）__________.

    A . Eating lots of fruits and vegetables. B . Drinking more water. C . Drinking lots of soda.
15. （8） The best suitable（最合适的）name for Passage Three can be__________.

    A . Be Bad for Teeth B . Protect（保护）Our Teeth C . Good Eating Habits