二年级科学 （7. 电 B) Semakan
Authored by ONG LEE PENG
Science, Other
2nd Grade
Used 3+ times
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24 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
以下哪一个用具必须用干电池来操作？
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
金戒指是_________。
电导体
电的绝缘体
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
铁钉是______。
电导体
绝缘体
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
回形针是______。
电导体
绝缘体
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
柠檬汁是______。
电导体
绝缘体
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
塑料瓶盖是______。
电导体
绝缘体
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
铅笔芯是______。
电导体
绝缘体
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