二年级科学第7课：电（电路元件）
Authored by JEFFREY Y
Science
2nd Grade
Used 20+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
写出这个电路元件的名称。
开关
干电池
电线
灯泡
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图电路元件的名称是什么？
电线
干电池
灯泡
开关
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
上图电路元件的名称是什么？
电线
干电池
灯泡
开关
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
以下哪种电路元件的功能是接通或截断电路？
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
干电池的功用是什么？
接通或截断电路
发出光亮
提供电流
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个元件的功用是提供电流？
干电池
开关
灯泡
电线
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
哪个元件的功用是发出光亮？
干电池
开关
灯泡
电线
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