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三年级科学:单元三(牙齿)

Authored by Ivy Sia

Science

3rd Grade

Used 319+ times

三年级科学:单元三(牙齿)
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

人类有哪三种牙齿?

虎牙、门牙 和 大牙

尖尖的牙、平平的牙 和 扁扁的牙

门齿、犬齿 和 臼齿

乳牙、恒牙和假牙

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

哪个是犬齿?

Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

犬齿的功能是......

磨碎食物

撕裂食物

切断食物

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

门齿的功能是......

切断食物

撕裂食物

磨碎食物

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

臼齿的功能是......

切断食物

撕裂食物

磨碎食物

6.

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

7.

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

牙本质

釉质

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