六年级设计与工艺单元1：机械系统
Quiz
•
Education, Instructional Technology
•
5th Grade
•
Practice Problem
•
Medium
Lee Hui Li
Used 130+ times
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8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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
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
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
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
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
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
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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