设计与工艺_六年级_单元一 复习
Authored by CHIN THENG S
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6th Grade
Used 41+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
把电能转换成动能的装置
电动机
滑轮
齿轮
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有链齿的轮子
滑轮
齿轮
电动机
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
线锯条会上下往复运动，切锯木板的电器
手锯
手弓锯
线锯机
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有电动机和动力装置的动力系统
机电系统
电机系统
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一种材料。有较好的透明性，耐用，常用来作玻璃的替代材料。
聚氯乙烯
有机玻璃
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
有机玻璃是一种玻璃。
对
错
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
勾刀可以用来切割聚氯乙烯。
对
错
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