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三年级科学练习-牙齿

Authored by LIM Moe

Science

1st Grade

Used 6+ times

三年级科学练习-牙齿
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

臼齿的功能是什么?

切断食物

磨碎食物

撕裂食物

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪一颗牙齿能帮助人类撕裂食物?

门齿

犬齿

臼齿

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

以下哪项是这牙齿的功能

磨碎食物

切断食物

撕裂食物

吞下食物

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

下面的资料显示P牙齿的说明。

。表面宽阔,凹凸不平

。呈方形

。在口腔后方两则

P牙齿是什么?

门齿

臼齿

犬齿

虎齿

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

以下哪项有关恒牙的说明是不正确的?

一共有32颗

坚硬度较坚固

能够维持一辈子

被拔掉后还会长出新牙

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

牙齿的哪个部分是人体最坚硬的部分?

牙龈

血管

牙质

釉质

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

小孩有多少颗乳牙?

10
20
12
32

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