三年级科学：单元三（牙齿）
Authored by Ivy Sia
Science
3rd Grade
Used 319+ times
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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？
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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