P，Q和R代表牙齿的哪个部分？
Sains_11_13062023
Quiz
•
Science
•
3rd Grade
•
Easy
Leong Mei Yee
Used 1+ times
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
P 血管
Q 釉质
R 神经线
P 牙本质
Q 血管
R 神经线
P 牙龈
Q 牙本质
R 血管
P 釉质
Q 牙本质
R 神经线
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
图中显示牙齿的构造。
Z的名称是________。
釉质
牙本质
神经
臼齿
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
哪项是乳牙的特点? 【多选】
釉质和牙本质较厚
釉质和牙本质较薄
只能维持到大约12岁
小和弱
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪项有关恒牙的说明是不正确的？
一共有32颗
能够维持一辈子
坚硬度较坚固
被拔掉后还会长出新牙
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
乳牙脱落后，__________ 将会替代乳牙。
假牙
恒牙
乳牙
金牙
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
乳牙共有______颗，而恒牙共有________颗。
18、20
32、36
20、32
16、30
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
以下哪项是这牙齿的功能
磨碎食物
撕裂食物
切断食物
吞下食物
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