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牙齿常识

Authored by TAY Moe

Science

1st - 6th Grade

Used 6+ times

牙齿常识
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一个成人有多少颗牙齿?

10颗

20颗

32颗

42颗

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下哪些是人类的牙齿种类?

臼齿

门齿

大齿

犬齿

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以下哪些食物对牙齿有益?

I

I 和 II

II 和 III

I, II 和 III

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪个是正确的?

Media Image
Media Image
Media Image
Media Image

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

我们一天至少要刷牙多少次?

一次

两次

五次

十次

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

牙齿最硬的部分称为____。

神经

牙本质

釉质

牙龈

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下有关乳牙和恒牙,哪项是正确的?

乳牙的数量多,恒牙的数量少。

乳牙比较坚固,恒牙比较不坚固。

乳牙有20颗,恒牙有32颗。

乳牙比较大,恒牙比较小。

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