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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

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)
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12 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

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

Media Image

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

Media Image

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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