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2年纪科学 （电）
Quiz
•
Science
•
2nd Grade
•
Practice Problem
•
Medium
yu xuan
Used 5+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
一个完整的电路由哪些元件组成？（答案多项）
干电池
网线
灯泡
开关
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
开关的用途是什么？
启动干电池
关闭灯泡的亮度
链接或截断电路
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2个干电池该如何摆放？
正级-负级-正级-负级
正级-负级-负级-正级
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
完整的电路中，什么原因可能造成灯泡不发亮？
（答案多选）
灯泡太小
干电池没电
干电池摆放方式错误
灯泡受损
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如何使电路中的灯泡变得更亮？
替换灯泡
使用较长的电线
增加干电池
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
电线没有完整链接，灯泡_____。
发亮
不会发亮
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
灯丝烧坏，灯泡_______。
能继续操作
不会发亮
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