Y2 科学 300420
Authored by flying Yeo
Science
2nd Grade
Used 48+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电路
灯泡
开关
干电池
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电线
灯泡
开关
干电池
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电线
灯泡
开关
干电池
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电线
灯泡
开关
干电池
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电线
灯泡
开关
干电池
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中是什么东西？
电线
灯泡
开关
干电池
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
图中元件有什么功能？
提供电源
连接其他元件
电流通过时会发亮
接通和截断电路
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