
四年级科学:地球
Flashcard
•
Science
•
4th Grade
•
Practice Problem
•
Easy
Candice Tan
Used 2+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
___________让所有物体都牢靠在地球表面。
Back
地心引力
2.
FLASHCARD QUESTION
Front
地球自转一周需___________天。
Back
1, 一
3.
FLASHCARD QUESTION
Front
地球自转一周需___________小时。
Back
24, 二十四
4.
FLASHCARD QUESTION
Front
地球公转一周需___________年。
Back
1, 一
5.
FLASHCARD QUESTION
Front
地球公转一周需___________天。
Back
365 又 1/4
6.
FLASHCARD QUESTION
Front
地球自转导致太阳的位置看起来不断地改变,使物体的影子在一天里的位置与___________也跟着改变。
Back
长度
7.
FLASHCARD QUESTION
Front
当我们居住的地方被阳光照射时,就是___________。
Back
白昼
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