一 根据中文提示，默写下列单词。
1. 查看；查明
2. (用刷子)刷净，刷亮，刷平顺
3. 牙；齿
4. 两次；两遍
5. (与不可数名词连用)较少的，更少的

1. check 2. brush 3. tooth 4. twice 5. less

二 英汉互译。
1. 在床上查看你的手机
2. 少吃糖果
3. 放松你的眼睛
4. 一天刷两次牙
5. take care of your eyes
6. see clearly

1. check your phone in bed 2. eat less candy
3. rest your eyes 4. brush (your) teeth twice a day 5. 爱护你的眼睛 6. 看得清楚

三 根据中文提示，默写下列句子。
1. 你应该怎样爱护你的眼睛和牙齿？

2. 不要在床上查看你的手机。

3. 你应该少吃糖果。

4. 你应该放松你的眼睛。

5. 你应该一天刷两次牙。

情境运用

1. How can you take care of your eyes and teeth?
2. Don't check your phone in bed.
3. You should eat less candy.
4. You should rest your eyes.
5. You should brush your teeth twice a day.

四 新情境 参加健康日活动 Sam参加健康日活动，他和Sarah讨论如何爱护眼睛和牙齿。根据语境，从方框中选择合适的句子，补全对话。
You should rest your eyes. You shouldn't check your phone in bed.
You should eat less candy and brush your teeth twice a day.
Sam: Hello, Sarah. I have a bad tooth. How can I take care of my teeth?
Sarah: 1.
Sam: I can't see clearly. How can I take care of my eyes?
Sarah: 2.
Sam: What shouldn't I do?
Sarah: 3.
Sam: OK. Thank you.

1. You should eat less candy and brush your teeth twice a day.
2. You should rest your eyes.
3. You shouldn't check your phone in bed.