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设计与工艺单元一

Authored by CHEY Moe

Other, World Languages

1st - 2nd Grade

Used 3+ times

设计与工艺单元一
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

电动自行车是以_______来驱动的。

发电机

电动机

干电池

蓄电池

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

这是什么?

齿轮

滑轮和传动带

链轮和链条

轮胎和备胎

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

这是什么?

齿轮

滑轮和传动带

链轮和链条

轮胎和备胎

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

这是什么?

齿轮

滑轮和传动带

链轮和链条

轮胎和备胎

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

大滑轮比小滑轮跑得快。

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

两个紧密咬合的齿轮, 他们旋转的方向是相反的

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

电动机把动能转换成为电能。

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