二年级科学，光与暗
2nd Grade
•20 Qs
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二年级科学，光与暗
Quiz
•
Science
•
2nd Grade
•
Practice Problem
•
Easy
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20 questions
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1.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
请选出三种光源。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有光源的情况下，课室是_____________的。
阴暗
明亮
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
没有光源我们＿＿＿＿＿周围的物体。
看得见
看不见
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
我们在＿＿＿＿＿光源的情况下比较容易进行活动。
有
没有
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
请选出两个光对人类的重要性。
手电筒让我们迷路。
阳光照亮周围的景物。
路灯让我们看见夜晚的道路。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在黑暗中你可以用什么寻找物体？
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
船只在夜晚航行依靠以下哪个光源指引方向？
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