水滴英语小短文，用阅读记住10000单词（牙齿结构主题 Enamel 牙釉质，高效记单词）

Enamel 牙釉质

Enamel is the hard, white layer that covers the outside of each tooth.
It is the hardest substance in the human body, even stronger than bone.
Enamel protects the inside parts of the tooth from hot, cold, and sweet foods.
You can see enamel when you look at someone’s smile, as it is the shiny part covering the teeth.
Unlike skin, enamel cannot grow back if it is broken or worn away.
To keep your enamel strong, it is important to brush your teeth and not eat too many sugary snacks.

牙釉质是包裹在每颗牙齿外面的坚硬白色层。
它是人体内最坚硬的组织，比骨头还要强韧。
牙釉质能保护牙齿内部，免受冷热或甜食的伤害。
你看到别人微笑时，会发现牙齿表面有一层亮亮的东西，那就是牙釉质。
牙釉质和皮肤不一样，如果受损或磨损，是无法再长回来的。
想让牙釉质保持坚固，就要认真刷牙，少吃甜食。

配套练习✍️ enamel /ɪˈnæm.əl/

🔍 完形填空（Cloze Test）

1. Enamel is the ______ layer on the outside of your teeth.
   （a. soft b. hard c. red）

2. Enamel is stronger than ______ in the body.
   （a. hair b. bone c. blood）

3. If you eat a lot of sweets, ______ can get weak.
   （a. lips b. eyes c. enamel）

4. We see enamel as the ______ surface when someone smiles.
   （a. shiny b. rough c. dark）

5. Enamel cannot ______ if it is damaged.
   （a. grow back b. change color c. get warm）

✅ 选择题（Multiple Choice）

6. What is one job of enamel?
   A) To make teeth longer
   B) To protect the inside of the tooth
   C) To help swallow food

7. Where do you find enamel?
   A) On the skin
   B) Covering each tooth
   C) Inside the stomach

8. How can you help keep enamel healthy?
   A) By brushing teeth and eating less sugar
   B) By running every day
   C) By drinking cold water

✏️ 填空题（Fill in the Blanks）

9. ______ is the white, hard layer on the outside of teeth.
   （可选答案：Enamel, Saliva, Tongue）

10. If ______ is lost, it will not come back.
    （可选答案：enamel, hair, water）

11. Too many ______ snacks can make enamel weak.
    （可选答案：sugary, salty, warm）

12. Brushing teeth helps ______ strong enamel.
    （可选答案：keep, forget, repair）

练习答案✅

完形填空

1. b. hard
2. b. bone
3. c. enamel
4. a. shiny
5. a. grow back

选择题
6. B) To protect the inside of the tooth
7. B) Covering each tooth
8. A) By brushing teeth and eating less sugar

填空题
9. Enamel
10. enamel
11. sugary
12. keep

📌文章CEFR 等级：A1级

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