一粒乾電池,有 __ 極和負極,

5上A2

Quiz
•
English
•
1st Grade
•
Easy
Yuen Dennis
Used 1+ times
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
南極
北極
正極
負極
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
可以讓電通過的電路,稱為______。
關合電路
通話電路
電路圖
閉合電路
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電路中的開關作用,是_____和中斷電路。
開上
連接
打開
關開
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
可以讓電通過的物質,稱為____。
通電體
金屬體
絕緣體
導電體
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪些是導電體?(答案多於一個)
金
銀
銅
膠
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪些是絕緣體?(答案可以多於一個)
膠
木
金屬
水
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
定期為電線或電器進行____。
破壞
檢查
安全
剪開
8.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
手濕的時候,不可以怎樣?(答案可多於一個)
接觸插頭
擦乾雙手
拿起電器
檢查電器內部
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