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Worksheets简单机械 Simple Machines (16.06.21)
Total questions: 10
Worksheet time: 3mins
Name
Class
Date
1.
所有简单的机器都有助于使工作_________。
All simple machines help make work _________.
a)
艰难 harder
b)
容易 easier
2.
哪个是滑轮的例子？
Which of the following is an example of a pully?
a)
b)
3.
哪个是杠杆的例子？
Which of the following is an example of a lever?
a)
b)
4.
哪个是螺旋的例子？
Which of the following is an example of a screw?
a)
b)
5.
哪个是尖劈的例子？
Which of the following is an example of a wedge?
a)
b)
6.
哪个是轮轴的例子？
Which of the following is an example of a wheel and axle?
a)
b)
7.
哪个是斜面的例子？
Which of the following is an example of a inclined plane?
a)
b)
8.
以下哪个可以使我们的工作更轻松？
Which of the following can make our work easier?
a)
b)
9.
以下哪个可以使我们的工作更轻松？
Which of the following can make our work easier?
a)
b)
10.
以下哪个可以使我们的工作更轻松？
Which of the following can make our work easier?
a)
b)
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