2年级科学 电
Quiz
•
Science
•
1st - 3rd Grade
•
Practice Problem
•
Medium
LEE Moe
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个不是完整电路所需的元件?
开关
灯座
干电池
灯泡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个是开关的功能?
发出光亮
装置灯泡
提供电流
接通或截断电路
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪个是干电池的功能?
发出光亮
装置灯泡
提供电流
接通或截断电路
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出图里电路中的灯泡不发亮的原因。
灯丝烧坏
开关没被按下
电线没有完整连接
干电池装置错误
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出图里电路的灯泡不发亮的原因。
灯丝烧坏
开关没有按下
电线没有完整连接
干电池装置错误
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
找出图里电路的灯泡不发亮的原因。
灯丝烧坏
开关没有按下
电线没有完整连接
干电池装置错误
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪项有关电导体的说明是正确的?
电导体不能让电流通过,使灯泡不能发亮。
电导体能让电流通过,使灯泡不能发亮。
电导体能让电流通过,使灯泡发亮。
电导体不能让电流通过,使灯泡发亮。
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