四年级科学 地心引力复习
Authored by KHOR Moe
Science
1st Grade - Professional Development
Used 737+ times
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6 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
地心引力向着_____________，把所有物体吸引在地球表面。
地球中心
地球外围
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
有了地心引力，所有的物体不会_______________。
飘浮在空中
掉落回地面
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
我们能平稳地坐在椅子上和走路，也都是地心引力的__________。
效果
效应
效率
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
地心引力的方向是________________的。
竖直向下
竖直向上
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
当我们在高山上时，体重会比在山脚下较________。
轻
重
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
地心引力让所有抛出的物体最终_________。
反弹
掉回地面
飘浮
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