
Week 18《化石能源》
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Hard
Wayground Content
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16 questions
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1.
FLASHCARD QUESTION
Front
石油的颜色是什么?
Back
棕色
2.
FLASHCARD QUESTION
Front
为了保护环境,我们可以做什么?
Back
减少化石能源的使用
3.
FLASHCARD QUESTION
Front
煤炭的主要用途是什么?
Back
用于发电
4.
FLASHCARD QUESTION
Front
人们可以利用天然气做什么?
Back
做饭
5.
FLASHCARD QUESTION
Front
化石能源包括哪些种类?
Back
煤炭、石油、天然气
6.
FLASHCARD QUESTION
Front
什么是化石能源?
Back
化石能源是指由古代生物遗骸转化而成的能源,如煤、石油和天然气。
7.
FLASHCARD QUESTION
Front
化石能源的主要缺点是什么?
Back
化石能源的主要缺点是会造成环境污染和温室气体排放。
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