以下哪项有关恒牙的说明是不正确的?
科学

Quiz
•
Science
•
3rd Grade
•
Medium
NG AJ Moe
Used 232+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
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
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下面哪项不是健康牙齿所带来的好处?
又漂亮的笑容
能帮助发音
能嘲笑其他牙齿不整齐的人
能快乐享用食物
3.
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
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
以下哪项是这牙齿的功能
磨碎食物
切断食物
撕裂食物
吞下食物
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
P,Q和R代表牙齿的哪个部分?
P 血管 Q 釉质 R 神经线
P 牙龈 Q 牙本质 R 血管
P 牙本质 Q 血管 R 神经线
P 釉质 Q 牙本质 R 神经线
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
选出图中牙齿的形状。
偏平形
圆形
棱锥形
正方形
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