题目内容：

任务型阅读

Teeth are important to us. We should keep our teeth healthy. Do you know how to keep teeth healthy? Here are some do’s and don’ts. Please remember them.

Do’s

Brush your teeth at least twice a day: in the morning and before bedtime.

Brush for at least two or three minutes every time.

Brush up and down on every tooth.

Use a dental flose (牙线) for your teeth to make it cleaner.

Get a new toothbrush every three months.

Don’ts

Don’t eat too much candy and sweet food.

Don’t drink too much Cola.

Don’t bite (咬) on very hard food. That may hurt your teeth.

Don’t eat snacks before bedtime.

How to Keep Teeth Healthy

Brush your teeth in the morning and __________1.

Spend _________2. brushing your teeth every time.

Brush up and down on every time.

Make your teeth cleaner by using _________3.

Get a new toothbrush every three months.

Don’t eat too much sweet food or drink too much Cola.

Don’t bite on very ________4. food.

Don’t _________5.before bedtime.