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二年级科学 电

Authored by LONG Moe

Science

7th - 10th Grade

Used 93+ times

二年级科学 电
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16 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

写出这个电路元件的名称。

干电池

开关

灯泡

电线

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

写出这个电路元件的名称。

开关

干电池

电线

灯泡

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

干电池的功能是 _____ .

提供电流

发出光亮

接通或截断电路

代替开关

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

一个完整的电路由以下这几个元件组成,除了 ____ .

干电池

灯泡

开关

铅笔芯

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

上图电路元件的名称是什么?

电线

干电池

灯泡

开关

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

上图电路元件有什么功用?

接通或截断电路

发出光亮

提供电流

使灯泡更亮

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

上图干电池的X部分代表什么

正极

负极

开关

电力

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