简单机械 Simple Machines (16.06.21)
Authored by chiok yee
Science
1st - 6th Grade
Used 181+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
所有简单的机器都有助于使工作_________。
All simple machines help make work _________.
艰难 harder
容易 easier
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是滑轮的例子？
Which of the following is an example of a pully?
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是杠杆的例子？
Which of the following is an example of a lever?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是螺旋的例子？
Which of the following is an example of a screw?
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是尖劈的例子？
Which of the following is an example of a wedge?
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是轮轴的例子？
Which of the following is an example of a wheel and axle?
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
哪个是斜面的例子？
Which of the following is an example of a inclined plane?
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