
三年级科学(单元4.1练习3:分辨动物进食习惯的牙齿结构)
Authored by CELIA HO Y W
Science
1st - 10th Grade
Used 5+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
图中是哪种动物的牙齿?
草食动物
肉食动物
杂食动物
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
图中是哪种动物的牙齿?
草食动物
肉食动物
杂食动物
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
图中是哪种动物的牙齿?
草食动物
肉食动物
杂食动物
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
草食动物会有怎样的牙齿?
臼齿和门齿
门齿和犬齿
门齿、犬齿和臼齿
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
为什么草食动物没有犬齿?
草食动物只吃植物,不需要用到犬齿来撕裂食物。
犬齿对草食动物带来一定的困扰。
犬齿已经被草食动物的进食习性磨平了。
犬齿显得凶残,会引起敌方的注意。
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
有些动物因环境而改变进食习性。哪种动物因环境而改变进食习性?
海龟
狮子
北极熊
变色龙
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪一颗牙齿能帮助动物撕裂食物?
门齿
犬齿
臼齿
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