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第九课-地球

Authored by LEN Moe

Science

4th Grade

Used 3+ times

第九课-地球
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19 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

物体会落在地面是因为什么的存在?

地心引力

天气变化

想象力

质量

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

地球自转一周需要()小时?

21

24

30

365

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

地球公转需要多少时间?

24 小时

30天

一个月

365天6小时

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

地球围绕着( )公转?

月球

太阳

火星

星星

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

以下哪一项是地球自转造成的现象?

昼夜的形成

四季的变化

闪电打雷

月相

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

中午时,太阳在正中央,物体被照射时产生的影子最()?

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

( )让所有物体都牢靠在地球表面。

风力

水力

人力

地心引力

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