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二年级科学单元六 光和暗 (评估)

Authored by TE Moe

Science

2nd Grade

Used 25+ times

二年级科学单元六 光和暗  (评估)
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18 questions

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1.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

1. 以下哪些是光源?

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Media Image
Media Image
Media Image

2.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下哪些不是光源?

Media Image
Media Image
Media Image
Media Image

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

当光被阻挡时,就会形成___________。

形状

影子

阳光

动物

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

以上的物体会产生怎样的影子?

没有影子

清晰的影子

模糊的影子

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

月亮、镜子和水面是光源吗?

不是

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

物体的形状是圆的,那么物体的影子是什么形状的?

三角形

正方形

圆形

长方形

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

路灯的重要性是什么?

看清路况

发生意外

影响视线

可以吓人

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