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三年级科学 人类

Authored by Mandy Sin

Science

1st Grade

Used 48+ times

三年级科学 人类
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

门齿有什么功能?

撕裂食物

磨碎食物

切断食物

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以上图片所显示的是什么牙?

乳牙

恒牙

假牙

补牙

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

恒牙共有多少颗?

20

32

12

24

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪项是血管的说明?

让我们感觉到冷、热或疼痛

环绕牙齿的基部

牙齿的最外层,很坚硬

为牙齿提供所需的营养

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

试选出图中A构造的名称。

牙龈

血管

釉质

牙本质

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪项技术能代替被拔掉的恒牙?

假牙

牙齿矫正

根管治疗

补牙

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

碳水化合物对人体有什么重要性?

能调节体温

能预防便秘

能帮助成长

能提供精力

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