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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

设计与工艺_六年级_单元一 复习
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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。

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

勾刀可以用来切割聚氯乙烯。

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