科学三年级 — 牙齿
2nd Grade
•10 Qs
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科学三年级 — 牙齿
Quiz
•
Science
•
2nd Grade
•
Practice Problem
•
Medium
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
下图是什么种类的牙齿？
犬齿
门齿
臼齿
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
这种牙齿有什么功能？
撕裂食物
切断食物
磨碎食物
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
哪一个是釉质？
A
B
C
D
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
牙齿的主要部分是哪个？
A
B
C
D
5.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
图片显示哪种牙齿？
乳牙
恒牙
6.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
*有32颗
*大和坚固
以上说明代表哪种牙齿？
乳牙
恒牙
7.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
我们要如何保护牙齿？
多吃甜食和甜饮
没定期检查牙齿
一天至少刷牙两次
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