以上哪一些搭配是正确的?
五年级电

Flashcard
•
Science
•
5th Grade
•
Hard
PHANG Moe
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18 questions
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1.
FLASHCARD QUESTION
Front
Back
P 和Q
2.
FLASHCARD QUESTION
Front
发电机把汽油或柴油里的_________________.
Back
化学能转换成电能
3.
FLASHCARD QUESTION
Front
根据以上的说明,它是哪一种电能?
Options: 蓄电池, 干电池, 发电机, 太阳能电池
Back
干电池
4.
FLASHCARD QUESTION
Front
下列有关太阳能电池的说明都是不正确的,除了:
1. 只有在白天才会有电能。
2. 价格便宜
3. 只适用于城市地区。
4. 较偏远的海岛上的电源之一。
Back
较偏远的海岛上的电源之一。
5.
FLASHCARD QUESTION
Front
根据上图的能源,它们的共同点是什么?
Back
电的来源
6.
FLASHCARD QUESTION
Front
上图所示的两种电源,它们有哪一些共同点?
I. 发出强大的电流
II. 都有正极和负极之分
III. 靠化学作用产生电能
IV. 提供相等的电能
Back
II 和 III
7.
FLASHCARD QUESTION
Front
干电池能用来操作上图的哪一些电器?
Options: X 和 Y, X 和 Z, Y 和 Z, X、Y 和 Z
Back
Y 和 Z
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