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六年级设计与工艺单元1:机械系统

Authored by Lee Hui Li

Education, Instructional Technology

5th Grade

Used 130+ times

六年级设计与工艺单元1:机械系统
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8 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

1. 这是哪一种动力装置?

齿轮

滑轮和传动带

链轮和链条

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

2. 这是哪一种动力装置?

齿轮

滑轮和传送带

链轮和链条

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

3. 这是哪一种动力装置?

齿轮

滑轮和传动带

链轮和链条

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

4. 自行车是运用哪一种动力装置?

齿轮

滑轮和传动带

链轮和链条

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

哪项有关齿轮的说明是正确的?

两个齿轮的旋转方向是相同

两个齿轮的旋转方向是相反

大齿轮转得比小齿轮快

大齿轮转得比小齿轮慢

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

哪项有关滑轮和传动带的说明是正确的?

两个滑轮的旋转方向是相同

两个滑轮的旋转方向是相反

大滑轮转得比小滑轮快

大滑轮转得比小滑轮慢

7.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Media Image

哪项有关滑轮和传动带的说明是正确的?

两个链轮的旋转方向是相同

两个链轮的旋转方向是相反

小链轮转得比大链轮快

小链轮转得比大链轮慢

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