
三年级科学练习-牙齿
Authored by LIM Moe
Science
1st Grade
Used 6+ times

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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
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
小孩有多少颗乳牙?
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