三年级科学牙齿
Flashcard
•
Science
•
3rd Grade
•
Easy
Coco Lee
Used 6+ times
FREE Resource
Student preview
15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
人类的牙齿有
Back
门齿、犬齿和臼齿
2.
FLASHCARD QUESTION
Front
我是扁平形，主要是把食物切断。我是谁？
Back
门齿
3.
FLASHCARD QUESTION
Front
我能把是磨碎。我是谁？
Back
臼齿
4.
FLASHCARD QUESTION
Front
犬齿的功能是什么？
Back
撕裂食物
5.
FLASHCARD QUESTION
Front
牙齿最外层很坚硬，它称为________。
Back
釉质
6.
FLASHCARD QUESTION
Front
下列哪项说明是错误的？
1. 牙龈环绕牙齿的基部。
2. 神经让我们感觉到冷、热或疼痛。
3. 釉质为牙齿提供所需的营养。
Back
釉质为牙齿提供所需的营养
7.
FLASHCARD QUESTION
Front
如果牙齿因蛀牙而形成空洞时，我们可以怎么做？
Back
请牙医来填补空洞
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