空气是由___、___等气体组成的。
2年级科学 单元9: 地球

Quiz
•
Science
•
1st Grade
•
Medium
WONG Moe
Used 5+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
煤气、氧气
湿气、二氧化碳
氧气、二氧化碳
氧气、热气
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个不是水流受阻会可能会带来的影响?
火灾
闪电式水灾
水供不足
河水发出臭味
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水从____处往____处流。
高,高
高,低
低,高
低,低
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么是风?
流动的氧气
流动的二氧化碳
流动的湿气
流动的空气
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
水___形成水蒸气升到空中。
受热
受冷
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
风有什么好处?
摧毁建筑物
吹到树木
利用风力发电
破坏农作物
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
小水滴___成云。
蒸发
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