人们可以改变地球
Flashcard
•
Science
•
2nd Grade
•
Hard
Lulu Zhang
FREE Resource
Student preview
7 questions
Show all answers
1.
FLASHCARD QUESTION
Front
如果出现洪水，_______ 可以用来保护城市。
Back
堤
2.
FLASHCARD QUESTION
Front
这是人建造的吗？
Back
是
3.
FLASHCARD QUESTION
Front
这是什么？
Back
水坝
4.
FLASHCARD QUESTION
Front
水坝是用来控制什么的？
Back
水
5.
FLASHCARD QUESTION
Front
防护林什么样？
Back
一排排的树，用来挡住大风
6.
FLASHCARD QUESTION
Front
当人们砍掉森林，建造房子和公路，会造成风化侵蚀吗？
Back
会
7.
FLASHCARD QUESTION
Front
人们怎样造成风化侵蚀？
Back
砍掉很多树
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