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三年级科学:第二课

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3rd Grade

Used 107+ times

三年级科学:第二课
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

我们有几种不同种类的牙齿?

2

3

4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

我们的牙齿分为_______、_________ 和_________。

大齿、门齿、犬齿

小齿、臼齿、门齿

门齿、犬齿、臼齿

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

我用_________来撕裂食物。

犬齿

臼齿

门齿

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

_________能把食物磨碎。

门齿

犬齿

臼齿

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

_______在口腔前面的位置,能把食物切断。

门齿

臼齿

犬齿

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

人类一生中可长出几次牙齿?

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

人类的第一副牙齿称为__________。

小牙

乳牙

恒牙

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