什么是堤?
人们可以改变地球

Flashcard
•
Science
•
2nd Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
堤是一种用来防止水流或洪水的建筑物,通常用土或石头建造。
2.
FLASHCARD QUESTION
Front
长堤的用途是什么?
Back
长堤用来挡住海水,保护城市和土地不被淹没。
3.
FLASHCARD QUESTION
Front
水坝是什么?
Back
水坝是一种拦截水流的结构,通常用于储水、发电或防洪。
4.
FLASHCARD QUESTION
Front
防风林的作用是什么?
Back
防风林是用来挡住大风的树木,帮助保护农田和建筑物。
5.
FLASHCARD QUESTION
Front
人类如何改变地球?
Back
人类通过建造堤坝、长堤和防风林等结构来改变地球的环境。
6.
FLASHCARD QUESTION
Front
什么是侵蚀?
Back
侵蚀是指水、风等自然力量对土地和岩石的侵害,导致土壤和岩石的流失。
7.
FLASHCARD QUESTION
Front
风化是什么?
Back
风化是岩石和土壤在自然环境中逐渐破碎和分解的过程。
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