Teeth 牙齿
Teeth are the hard, white parts found inside the mouth.
Most adults have thirty-two teeth that help them bite and chew food.
Different teeth have different shapes and jobs, such as cutting or grinding.
The outside of each tooth is covered by a hard layer called enamel.
Teeth start to fall out and are replaced by new adult teeth when children grow up.
Good care, like brushing and visiting the dentist, can keep teeth healthy and strong.
牙齿是长在口腔里的坚硬、白色部分。
大多数成年人有三十二颗牙齿，有助于咬断和咀嚼食物。
不同的牙齿形状和功能各异，有的用来切断，有的用来磨碎食物。
每颗牙齿的外层都有坚硬的牙釉质保护。
随着成长，孩子的牙齿会掉落，被新的恒牙取代。
良好的护理，比如刷牙和看牙医，有助于保持牙齿健康结实。
配套练习✍️ teeth /tiːθ/
🔍 完形填空（Cloze Test）
-
Teeth are found inside the ______.
（a. nose / b. mouth / c. hand） -
Most adults have ______ teeth.
（a. thirty-two / b. twenty / c. eight） -
Some teeth are shaped for ______ food.
（a. tasting / b. cutting / c. smelling） -
The hard layer on the outside of a tooth is called ______.
（a. bone / b. enamel / c. gum） -
Children’s teeth often ______ as they grow up.
（a. change color / b. fall out / c. break）
✅ 选择题（Multiple Choice）
-
Why are teeth important?
A) For seeing
B) For biting and chewing
C) For hearing -
How can people keep their teeth healthy?
A) By brushing and visiting the dentist
B) By sleeping more
C) By running -
What happens to baby teeth when children get older?
A) They grow bigger
B) They are replaced by adult teeth
C) They turn yellow
✏️ 填空题（Fill in the Blanks）
-
There are different shapes of ______ for different jobs.
（可选答案：teeth, hair, legs） -
The outside of the tooth is protected by ______.
（可选答案：enamel, water, lips） -
Most adults have ______ teeth in their mouth.
（可选答案：thirty-two, three, thirteen） -
Good ______ helps keep teeth strong.
（可选答案：care, color, air）
练习答案✅
完形填空
- b. mouth
- a. thirty-two
- b. cutting
- b. enamel
- b. fall out
选择题
6. B) For biting and chewing
7. A) By brushing and visiting the dentist
8. B) They are replaced by adult teeth
填空题
9. teeth
10. enamel
11. thirty-two
12. care
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