
二年级 科学 单元七 《电》
Quiz
•
Science
•
2nd Grade
•
Medium
ONG Moe
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20 questions
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1.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
选出三个主要电路元件
干电池
鳄鱼夹
灯泡
干电池匣
开关
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
以上是什么元件?
灯泡
电线
干电池
开关
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
以上是什么元件?
干电池
灯泡
电线
开关
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
以上的元件是_____。
灯泡
开关
干电池
灯泡座
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
_____ 用来连接电路中的每个元件,以形成一个完整电路。
干电池匣
灯泡
电线
开关
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
哪一样元件用来接通和截断电路?
灯泡
干电池
灯泡座
开关
7.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
如果完整电路中的开关被按下长达一天,这对灯泡的亮度有什么影响?(答案可超过一个)
越来越亮
越来越暗
不会亮
亮度一样,没有改变
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