2022年6年级设计与工艺单元一：练习1
1st - 2nd Grade
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2022年6年级设计与工艺单元一：练习1
Quiz
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Other
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1st - 2nd Grade
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Practice Problem
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Hard
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
以下哪一项关于机电系统的说明是正确的？
以机械和电气元件组成。
一般还会附加电子元件。
洗衣机是一种以机电系统操作的产品。
机电产品应用电机将电能转换成动能。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
左图显示遥控汽车的底盘，连接轮子的杆子称为_____。
链条
轮轴
齿轮
传动带
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
左图可以看到的两种机械元件是
滑轮与传动带
链轮与链条
齿轮
电子元件
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪几项是以机电系统操作的产品？
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪一个电子元件能够提供电能？
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下哪一个是以机电系统操作的产品？
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
以下各图，哪一些可以靠电机提供动力？
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