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三年级科学牙齿

Authored by LIM Moe

Science

3rd Grade

Used 12+ times

三年级科学牙齿
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15 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

人类的牙齿有

门齿而已

门齿和臼齿

门齿、犬齿和臼齿

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

我是扁平形,主要是把食物切断。我是谁?

臼齿

门齿

犬齿

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

我能把是磨碎。我是谁?

门齿

臼齿

犬齿

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

犬齿的功能是什么?

切断食物

撕裂食物

磨碎食物

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

牙齿最外层很坚硬,它称为________。

血管

釉质

牙本质

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列哪项说明是错误的?

牙龈环绕牙齿的基部。

神经让我们感觉到冷、热或疼痛。

釉质为牙齿提供所需的营养

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

如果牙齿因蛀牙而形成空洞时,我们可以怎么做?

不管

请牙医来填补空洞

请皮肤医生来填补空洞

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