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2年级科学:单元7:电

Authored by CHIA Moe

Science

2nd Grade

Used 9+ times

2年级科学:单元7:电
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30 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

这是电路中的哪个元件?

干电池

灯泡

开关

电线

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

这是电路中的哪个元件?

干电池

灯泡

开关

电线

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

这是电路中的哪个元件?

干电池

灯泡

开关

电线

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

观看图片,查看电路中的开关显示开或关,代表?

电流能通过

电流不能通过

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

观看图片,查看电路中的开关显示开或关,代表?

电流能通过

电流不能通过

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Media Image

以上的电路元件的功能是什么?

发出亮光

提供电流

接通或截断电路

连接电路中的元件

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

哪个元件的功用是接通或截断电路?

干电池

灯泡

开关

电线

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